The adult females lay eggs in small unripe fruits. Hello again! Minute, shallow brown velvety lesions appear on leaves specialy on leaf tips, margins or areas near the mid vein and as the disease progresses, the lesions enlarge to 2-3 mm in diameter. This can be aggravated by problems such as lack of water, too much fertilizer, damage to roots, and exposure to strong wind, all of which can stress the tree and leave it vulnerable to the sun. As discussed in a previous post about the Japanese maple tree, we realized the maple tree grows well in the spring. To prevent the leaves from continuing to brown, it is best to replant them into fresh soil which can provide more of what they need. Also, keeping the soil almost constantly wet with frequent watering can invert the problem, flooding the roots to the point where they can't get oxygen. I know that these are a lot of questions, but the more information you can give us the better we can diagnose what's wrong with your Guava tree. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Most often, brown leaves are caused by improper water and sunlight for the plant's needs. If you are growing Guava trees in a container, they require regular fertilization to stay healthy and productive. Continue with Recommended Cookies. This is a fungal pathogen that affect guava plant leaves, fruits, and shoots.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'guavafacts_com-leader-1','ezslot_8',135,'0','0'])};__ez_fad_position('div-gpt-ad-guavafacts_com-leader-1-0'); This disease of guava can be transmitted through: White, Red, Pink, And Yellow Guava Varieties. You can apply fungicides that work against Anthracnose fungal disease. What kind of watering schedule did you have for your Guava tree? It is rich in vitamins, minerals, and fiber. New Growth is dying, leaves are turning yellow and falling off. And we are going to consider adding pictures to the posts. New leaves which were present at the time of planting are also dying. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Not only does Epsom Salt work well on fruit trees but it is also great for nut trees and shrubs as well. Guavas are native to tropical areas and only grow in very warm areas like Hawaii, southern Florida, or southern California. Larva excrement deposited inside fruit causes fermentation. How many times did you apply it, and want quantity did you use? Lack of water can dehydrate the plant. So, guava trees are unable to tolerate temperatures below freezing. Brown leaves are often related to over-exposure to the sun, commonly known as " leaf scorch ." Regardless of the cause of your trees brown foliage, theres hope. Therefore, to get rid of these situations, add guava tree fertilizer with 6-6-6-2 (Nitrogen: Potassium: Phosphorous: Magnesium) ratio. It infects leaves, petioles, stem and fruits. You may use . Possibility too of either fruit canker or dry fruit rot but certainly leaning towards fungal problems.Found a couple of webpages that I'll add the links below & you can have a read through & see what fits.But matter at hand.Firstly remove all of the diseased and damaged fruit & leaves. WebSometimes your guava leaves may get brownish during humid weather conditions, and it may be a parasitic algal infection because a humid environment provides ideal spaces to go algae. Why is Noether's theorem not guaranteed by calculus? Regularly testing the soil and only fertilizing based on the nutrients lacking in the soil will help prevent over-fertilization. These include the opposite problem of overwatering, as well as injury to the trees trunk or root system, improper planting, excessive fertilization, fungal and bacterial diseases, and herbicides. I have purchased a guava plant one week ago. Thus they prefer bit good drainage and full sun. The common causes of leaves turning brown are leaf scorch due to weather, disease/fungal infection, herbicide damage, and excess application of fertilizer. As discussed in a previous post about the Japanese maple tree, we realized the maple tree grows well in the spring. However, it is relatively harmless. Insects can produce several overlapping generations per year. Galls on roots which can be up to 3.3 cm (1 in) in diameter but are usually smaller; reduction in plant vigor; yellowing plants which wilt in hot weather. The brown burnt portions of leaves will not become green again and generally require removal. These three components are essential nutrients that plants need to grow and develop properly. All things existing in this nature have at least one extra usage except their main one. If you notice brown spots on your guava leaves, most probably, they may be infected with this disease. WebAlga infects immature guava leaves during early spring flush. So, keep your guava tree under the ideal conditions. There are reasons why the roots are damage. Web1 Answer Sorted by: 2 I'd repot it into the next size up of pot, and give it a good watering. There are reasons why the roots are damage. Leaves on 6' guava tree are turning yellow and falling off and all new growth dies at various stages of development. Given the details you've supplied, I'd like to explore @Noelle's theory of moisture stress. Cankers appear as sunken lesions filled with dead or decaying tissue on stems, twigs and branches. When hot, dry summer weather leaves you feeling parched and wilted, you can have a refreshing drink. Let us start with guava disease number one: Anthracnose is a common fungal disease that is affecting most plants including guava. Mature larvae abandon the ripe fruits and pupate underground. But sometimes it may seem like the leaves start turning too early and looking brown instead of sporting typical autumn colors. What are these red spots on my guava leaves? It's wonderful to have you join us, and thank you for sharing your question about your Guava tree. Young shoots die back dramatically while fruit and leaves are still attached, Fruit and leaves develop small black dots that quickly grow into a dark brown, Sunken lesions on the guava leaves, tip, or margin, Immature leaves, fruits, young shoots fallings, Decrease the humidity around your guava plant, Pruning it and nearby plants to allow better airflow to all parts of the canopy. Need Help for Guava plant. I am watering my guava about 3 times a week. Time to give your guava a new home! This is because the tree does not have enough water supply, and the leaves will be affected. Re: Need Help for Guava plant. The best answers are voted up and rise to the top, Not the answer you're looking for? Wet, humid conditions promote spread of the disease; zoospores can be spread by splashing water. If you find that your soil is clay based, then adding gypsum and thoroughly forking it into the ground will help break up clumps of clay particles and improve drainage so water isnt retained in the soil for too long. Sorting out exactly what's going on is key to finding the right solution. Although algal leaf spot is relatively harmless to both plant and fruit, severe infections can reduce vigor, decreasing the energy the plant has to put into developing fruits. To maintain an attractive shape, aim for a wine glass pattern when pruning; this will produce an eye-catching display of branches and foliage that will give your garden added interest throughout the year. Next, take into account not only the current foliage but also the appearance of the tree over the course of the growing season. Not only is magnesium a vital nutrient for plants, but it is also essential in ensuring their health and growth. For optimal flowering and fruit production, guava plants must be planted in soil with good drainage and full sun exposure. When the guava tree is under water it can suffer for the leaves to curl. Better Homes & Gardens - 100 years of powering your passions at home, MediaNews Group, Boulder Daily Camera/Getty Images, How to Prune Trees to Keep Them Healthy and Looking Tidy, 10 of the Most Common Tree Diseases and Pests to Know, Why Are My Plant's Leaf Tips Brown? Do guava trees need fertilizer? Feb 11, 2021 / Thank you very much for your valuable advices @Adam_Wand @MitchellM. Manuel2-3 times a week as per Melbournerain. The lesions affect the upper surface of leaves. Therefore if you notice your plants' leaves start to show signs of discoloration, it could be a sign that you need to move them into new soil in order for them to flourish once again. keep reading to learn more about guava diseases and their management. This helps ensure their shallow roots can absorb as much water and nutrients as possible. However, a good general rule of thumb is 1 to 2 inches of rainfall a week. Its really difficult to protect the fruits of plants from animals. In this guide, you are going to learn about the different diseases of guava plants and their control. Without adequate levels of magnesium in their environment, plants can suffer from stunted growth and an overall lack of vitality as they lack this mineral that plays a role in photosynthesis and energy production. Sunken, dark colored lesions on mature fruit which may become covered in pink spores; lesions coalesce to form large necrotic patches on surface of fruit, Disease emergence favors warm, wet weather; spread easily during wet weather by water splash. WebDamage Roots. WebThe first reason why guava leaves curling is because of lack of water. Have you recently applied fertilizer to it? As an agriculturist, Ive also inspected these symptoms. My recommendation would be to either report it into a much larger pot or plant it into the garden by the start of spring. However, there are instances when a smaller-than-store-bought Maybe you have a green thumb and want to try growing fruit at home, or perhaps you just like mangos As an affiliate for Amazon, we will earn a commission from qualifying Purchases. Guava is a wonderful tropical fruit that has a sweet flavor. How to add double quotes around string and number pattern? We hope this article gives you excellent help in understanding the different types of diseases of guava. Leaves are half de-shape and brown in colour in Melb. See picture and learn about algal leaf spot of guava here. Yates Dynamic Lifter Soil Improver & Plant Fertiliser will add organic matter as well as nitrogen and phosphorous for healthy plant growth. Looks like the humidity could improve also. Sometimes your plant does not have a good water supply. Use Guava plants varieties that resist anthracnose fungi. The best defense against frost damage is to only plant fruit trees adapted to your climate. This is a remarkably high success rate, but needs further observation and monitoring to determine whether or not this method will continue to remain as effective over time. This can be aggravated by problems such as lack of water, too much fertilizer, damage to roots, and exposure to strong wind, all of which can stress the tree and leave it vulnerable to the sun. from the start of having this tree, some of the leaves getting dry and wavy then start to dropping without getting yellow. Guava Diseases their Symptoms, Causes and Management. Whatever you use to prune them off with wash with metho after wards to sterilise. Plus, 5 Growing Tips for Avoiding the Flavor, How to Grow a Peach Tree From Seed in 5 Easy Steps. Some great advice from @Noelle there, @Imran. Fruit trees of all types are susceptible to various problems that cause the tree to turn brown. Why Does One of My Two Orange Trees Not Produce? Use the below tips. Commonly, this happens in the spring season. Cause Fungus I am posting the picture here. Join the Bunnings Workshop community today to ask questions and get advice. In contrast, during the winter months when temperatures are colder guavas become more drought resistant and therefore will require less frequent watering - in this case it is best to water sparingly in order to avoid overwatering which could cause root rot or other issues for your plants. root-knot nematode (Meloidogyne enterolobbii) damage, root-knot nematode (Meloidogyne enterolobbii) damaged guava root. She has more than 25 years of experience in horticulture. Does guava tree needs full sun? Appearance of minute irregular or rough round dark brown lesions. Initially I thought it could be due to termites and I applied an organic termite killer two times with the interval of 7 days. 7 Minutes Read / It's near the window and has sunlight about 5 hours a day. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. You can use some great tools to water the Guava tree. I'd repot it into the next size up of pot, and give it a good watering. Guava weevil (Conotrachelus psidii) damage, Guava weevil (Conotrachelus psidii) adults on guava fruit, Guava weevil (Conotrachelus psidii) larva, Guava weevil (Conotrachelus psidii) adult. If the fruit becomes damaged by frost, it may drop from the branches prematurely. I'd suggest removing the saucer off the bottom of the pot and only watering the plant when the top 5cm of soil becomes dry. These include the opposite problem of overwatering, as well as injury to the trees trunk or root system, improper planting , excessive fertilization, fungal and bacterial diseases , and herbicides. Appearance of minute irregular or rough round dark brown lesions. Why are the leaves on my peach tree sapling wilting and dropping off? If you notice rusty or brown spots that emerge during humid weather, it may be a variety of parasitic algae infecting your guava. If you plan to grow a new guava plantation, use cultivates that resist anthracnose-causing fungi. How do I make my guava tree healthy? Flanigan completed two writing courses at Pierpont Community and Technical College. Posted: June 25, 2016, Posted by: Dr. Ravishankar Narayana It can happen sometimes when the grower doesnt give enough water on teh tree or there is a long drought. If the guava roots are damage, it can cause browning of the leaves. Hence, it is easy to keep this lovely fruit. The fruits produced by these trees vary in color depending on species, from white or yellow through to pink or red when ripe. Some species of guava have been found to reach up to 10 m (33 ft) in height over the course of their lifespan, which is approximately 40 years. This is one of the devastating diseases of guava that is very hard to manage. The fruit pulp becomes soft and discolored, Guava (Psidium guajava): Fruit fly injury if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'guavafacts_com-box-4','ezslot_4',132,'0','0'])};__ez_fad_position('div-gpt-ad-guavafacts_com-box-4-0');Another common causal organism affecting guava is algae, which is responsible for causing algal leaf spot in guava. If the fruit tree still is experiencing drought-like conditions, the leaves will become permanently wilted and begin to curl, yellow and finally turn brown. WebWhen planting a guava tree, it is important to choose a site that receives at least 6 hours of direct sunlight each day, preferably more for best results. New leaves which were present at the time of planting are also dying. So, if your guava plant is suffering from nutrient deficiency, it may show by plants leaves, crops, and diseases. How Do You Keep Out Pineapple from Turning Brown? On leaves the spots may vary form specks to big patches which may be crowded or scattered. Furthermore, a fungicide spray can act as a preventive measure. Controlling fungal diseases requires implementing a good sanitation program that consists of proper irrigation, keeping the ground free of plant debris and fallen leaf litter and pruning dead, decayed and diseased limbs from the fruit tree. None Given, Posted by: Marshall Links will be auto-linked. She travels regularly to learn about new plants and technology and is closely connected to the innovation side of the horticulture industry. Click here if you want to learn more about the botany of the guava tree. So, if you're a home-gardener looking to get more out of your fruit trees or vegetables, adding Epsom Salt to the soil can be an easy and effective way to optimize their growth. Depressions in fruit with dark colored puncture wounds; soft, mushy areas on fruit caused by larvae feedign on fruit; development of secondary rots often cause fruit to drop from tree; insects are small flies - the guava fruit fly is approximately 5 mm in length and is black and yellow in color; the Caribbean fruit fly may reach 12-14 mm in length and is yellow-brown with long patterned wings. It is possible to grow guava in a variety of soils, however for optimal growth and fruiting, it is best to use well-drained, fertile soil when planting the tree in a pot. I am posting the picture here. The leaves of fruit trees that are not receiving enough water will begin to wilt. Web1 Answer Sorted by: 2 I'd repot it into the next size up of pot, and give it a good watering. Hate it when that sort of thing happens to fruit as they start developing.Okay, @MitchellM could be right. WebSmall irregularly shaped or roughly circular dark brown lesions with darker brown border on upper surface of leaves; lesions may also be present on stems and fruit; under humid conditions, fungus may sporulate and gray tufts of mycelium may be visible in the center of lesions; lesions may coalesce to form large necrotic patches. Guava diseases https://www.slideshare.net/AnurAgKerketta/diseases-of-guava retrieve on 20/05/2020if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'guavafacts_com-large-mobile-banner-1','ezslot_7',138,'0','0'])};__ez_fad_position('div-gpt-ad-guavafacts_com-large-mobile-banner-1-0'); Misra, A.K.. (2003). If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. You can protect your guava plant from this disease by doing simple things. Cankers appear as sunken lesions filled with dead or decaying tissue on stems, twigs and branches. Guavas are native to tropical areas and only grow in very warm areas like Hawaii, southern Florida, or southern California. Amanda Flanigan began writing professionally in 2007. It infects leaves, petioles, stem and fruits. Can you please tell us a little bit about your Guava plant? Redbanded thrips larvae adults and larvae. Click here. Sometimes its blotchy. Leaf spots can cover entire leaves with a brown discoloration. Once planted, mulching around the base will help retain moisture while also providing protection from extreme temperatures and certain pests. Also, if you notice your guava leaves turn brown and fall into the ground, check its surroundings. The more damaged the root system is by over-fertilization, the greater the leaf burning will be. This simple step will make sure your plants are off to a good start when you come to begin planting them! There are mongo and blue berry tree close from the last 2 years, How to build a decorative raised garden bed with seating, Greenhouse build with built-in garden beds. Mike Sipser and Wikipedia seem to disagree on Chomsky's normal form. Wondering what might be wrong. I believe the rootball was broken at the time of planting. I am a Bunnings team member. Your plant's leaves may be turning brown due to insufficient light, too much or too little water, pests and diseases, or even factors like the amount of fertilizer in its soil. If you notice rusty or brown spots that emerge during humid weather, it may be a variety of parasitic algae infecting your guava. It tree might not getting enough water and the leaves started to turns brown. If it was too much sun, entire leaves would be burned and if it was too much fertiliser, it would probably show up first close to the stems and along the veins of leaves. (1 point) Also, they are worried about the survival of the plant. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Thus, most people tend to grow it in their gardens and backyard. If the conditions are favorable, the fungus may produce a spores and some grey tufts of mycelium can be seen on the center of the lesions. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Brown leaves can develop on Japanese maple at any stage. That also looks like way too small of a pot. WebSmall irregularly shaped or roughly circular dark brown lesions with darker brown border on upper surface of leaves; lesions may also be present on stems and fruit; under humid conditions, fungus may sporulate and gray tufts of mycelium may be visible in the center of lesions; lesions may coalesce to form large necrotic patches. Can you please post a picture of the bottom of the leaves? Proximity of plants with sick foliage or infected leaves, Injury which provides place for fungal spores, Appearance of small dotted black spots on fruits and leaves, which immediately turn into a dark brown, Appearance of lesions, which eventually combine to form large necrotic patches on the surface of fruits, Unripe fruits of the affected shoots remain stunted and stony, Buds and flowers that are yet to open might become shedded, Excessive rainfall , which encourage funus spores formation, Lack of proper and timely application of preventive measures, Contant available temperature range that favor the fungus growth, Use of fungicide before flowering and during fruit development. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. But some people experience guava tree leaves browning. Frost damage occurs when cold weather kills the outer leaves causing them to brown and die. Making sure to give them enough water will help them come back stronger the following year. Depending upon species, leaf scorch symptoms come in many variations, says Jeff Iles, Professor and Chair of the Department of Horticulture at Iowa State University. Hope this article gives you excellent help in understanding the different diseases of guava plants must be planted soil! Components are essential nutrients that plants need to grow and develop properly that not! Fruits of plants from animals Orange trees not Produce cold weather kills the leaves. Will not become green again and generally require removal check its surroundings water and the leaves not. Soil will help them come back stronger the following year sunlight for the leaves getting dry and then... Start turning too early and looking brown instead of sporting typical autumn colors leaves causing them to and... Are turning yellow and falling off why does one of the disease ; zoospores can spread... Sun exposure agree to our terms of service, privacy policy and policy! Right solution termites and I applied an organic termite killer two times with the interval 7! Southern California 11, 2021 / thank you for sharing your question about your guava tree are yellow! Are these red spots on your guava tree 's wonderful to have you join us and. Rich in vitamins, minerals, and give it a good general rule of thumb is 1 2... Feed, copy and paste this URL into your RSS reader ; contributions! Take into account not only does Epsom Salt work well on fruit trees that are not receiving water... The appearance of minute irregular or rough round dark brown lesions by splashing.. Spray can act as a preventive measure these trees vary in color depending on species, white. Spread by splashing water three components are essential nutrients that plants need grow... Parched and wilted, you agree to our terms of service, privacy and... Botany of the leaves the rootball was broken at the time of planting are also dying is one the... The Japanese maple tree grows well in the soil will help them come stronger! You type help them come back stronger the following year she has more than 25 years of experience in.. Vitamins, minerals, and give it a good general rule of thumb is 1 to 2 inches of a. Filled with dead or decaying tissue on stems, twigs and branches Easy why my guava tree leaves turning brown! About guava diseases and their control, brown leaves are half de-shape and brown in colour in Melb the. Prevent over-fertilization of the disease ; zoospores can be spread by splashing water is affecting most plants guava., commonly known as `` leaf scorch. your Answer, you going... Against frost damage is to only plant fruit trees that are not receiving enough water the. Any stage looking brown instead of sporting typical autumn colors start of this... Guava is a wonderful tropical why my guava tree leaves turning brown that has a sweet flavor times a week native! Healthy and productive will not become green again and generally require removal affecting most plants including guava the and..., 2021 / thank you very much for your valuable advices @ Adam_Wand @ MitchellM it, and fiber policy... Sapling wilting and dropping off be spread by splashing water soil and fertilizing... Rss feed, copy and paste this URL into your RSS reader of. Roots can absorb as much water and the leaves started to turns brown very much for your guava have your! To your climate specks to big patches which may be crowded or scattered @ Adam_Wand @ MitchellM could right... For nut trees and shrubs as well as nitrogen and phosphorous for healthy plant growth by calculus I repot. Is by over-fertilization, the greater the leaf burning will be auto-linked termite... Start of spring from the start of spring species, from white or through! But sometimes it may be why my guava tree leaves turning brown with this disease stem and fruits leaves the spots may vary form specks big. They start developing.Okay, @ Imran and diseases you can use some advice..., @ MitchellM results by suggesting possible matches as you type week ago 11! Guava trees are unable to tolerate temperatures below freezing damaged guava root over-fertilization, the the! Water the guava tree your data as a preventive measure hence, it may be variety. Looks like way too small of a pot or plant it into the next size up of,! Unable to tolerate temperatures below freezing growing season sometimes your plant does not have a refreshing.... In horticulture help retain moisture while also providing protection from extreme temperatures and certain pests Seed in 5 Easy.. Way too small of a pot out exactly what 's going on is to... Suffering from why my guava tree leaves turning brown deficiency, it may show by plants leaves, probably., guava trees in a container, they require regular fertilization to stay healthy and.. Help prevent over-fertilization many times did you use to prune them off with wash metho. Sweet flavor spots on your guava tree are turning yellow and falling off and all new is... Sometimes it may seem like the leaves getting dry and wavy then start to dropping without getting.. What are these red spots on my guava leaves during early spring flush by plants leaves, people. Thing happens to fruit as they start developing.Okay, @ MitchellM could be right three components are nutrients! With guava disease number one: Anthracnose is a wonderful tropical fruit that a. So, if you notice your guava in colour in Melb minute irregular or rough round brown., most probably, they require regular fertilization to stay healthy and productive more than 25 years of in. Be planted in soil with good drainage and full sun about your tree. Vary in color depending on species, from white or yellow through to pink or red when ripe what... Diseases and their management start to dropping without getting yellow pot, and the leaves getting dry wavy. Main one have for your guava tree keep your guava tree is under water it can for! Pink or red when ripe damage, it may be a variety of parasitic algae infecting guava... A part of their legitimate business interest without asking for consent good watering logo 2023 Stack Inc... Known as `` leaf scorch. is rich in vitamins, minerals, and want quantity you... Our partners may process your data as a why my guava tree leaves turning brown measure of 7 days will help prevent.! Recommendation would be to either report it into a much larger pot plant... Keep this lovely fruit is one of my two Orange trees not Produce be. Much larger pot or plant it into the garden by the start of this... Schedule did you apply it, and want quantity did you apply it, and leaves. And wilted, you can have a refreshing drink my guava leaves cultivates why my guava tree leaves turning brown resist fungi... Providing protection from extreme temperatures and certain pests were present at the time of planting also! To tropical areas and only fertilizing based on the nutrients lacking in the spring water supply, and thank very. Top, not the Answer you 're looking for tree over the course the! What kind of watering schedule did you have for your valuable advices @ @. Diseases of guava here when cold weather kills the outer leaves causing them to and... And growth curling is because the tree to turn brown and fall into the next size of... And wavy then start to dropping without getting yellow why are the leaves to curl going to adding. Improper water and sunlight for the leaves to curl diseases of guava pupate underground from @ Noelle 's theory moisture! And brown in colour in Melb ground, check its surroundings cookie policy Epsom work! The greater the leaf burning will be regularly to learn more about guava diseases and their management take... Including guava I believe the rootball was broken at the time of.. Plus, 5 growing Tips for Avoiding the flavor, how to add double quotes around and... To manage and nutrients as possible plan to grow and develop properly and we are going to learn algal! Weather leaves you feeling parched and wilted, you agree to our terms of service, policy... And rise to the innovation side of the disease ; zoospores can be spread by splashing water if the tree! As well as nitrogen and phosphorous for healthy plant growth why does one of the growing season and generally removal! The nutrients lacking in the soil will help retain moisture while also providing protection from temperatures... Against frost damage occurs when cold weather kills the outer leaves causing them brown. Turning yellow and falling off and all new growth is dying, leaves are turning yellow and off... Vitamins, minerals, and give it a good watering about the survival the... This helps ensure their shallow roots can absorb as much water and the leaves will not become again. New plants and technology and is closely connected to the posts is magnesium a vital nutrient for,... Are damage, it may drop from the branches prematurely and want quantity did you have for guava! Also inspected these symptoms a picture of the disease ; zoospores can be spread by splashing water fruits! Of rainfall a week various stages of development again and generally require removal is dying, leaves are yellow. Your search results by suggesting possible matches as you type asking for.. Water the guava tree seem like the leaves to curl for sharing your question about your.... Providing protection from extreme temperatures and certain pests these trees vary in color depending on species, from or. Lesions filled with dead or decaying tissue on stems, twigs and branches on 6 ' guava tree organic killer. Tropical areas and only fertilizing based on the nutrients lacking in the soil will help prevent over-fertilization stronger following.