This fungal disease, like many others, can survive on dead tissues and are then spread by rain … My feijoa plant in Portland has various minor leaf blemishes most years. That being said, the tips are still shooting new leaves. Aside from marring the close-up appearance of the foliage, the bush continues to flower and fruit well. So, did you ever find out what these brown spots were and did your Pineapple Guava recover? About 20% of the existing leaves are gradually turning brown and dropping off. Between August and October, the egg-shaped fruits begin to mature and ripen, starting out gray-green and then turning a reddish-brown. This happened with our peach tree, and found out it was dieased so we had to cut it down. If your palm tree dried out just once those tips will go brown. I am planning on getting them in the ground this weekend, but the past few days I have noticed my leaves are starting to curl. Shaking the plant will of course hurry the leaf drop. Hello Garden Web.I'm a new member to this community, but I have lurked around the forums here for years now.Does anyone know what's wrong with my pineapple guava plants? What do I do to fix this, is it ok to plant it? On leaves the spots may vary form specks to big patches which may be crowded or scattered. We just planted a guava tree and it seems to be struggling. Anthracnose is a common fungus that is a problem for a wide range of plant types, including guava. Pineapple guava is just as resistant to diseases as it is unattractive to pests, and few bother it consistently, although there are two for which to watch: Cercospora leaf spot is a fungal disease that causes brown spots on the leaves. There are still some that are bright green and others with silvery backs. It can take the shape of a small 15 ft by 15 ft tree, espaliered, pruned into a dense hedge or screen, or grown in a large pot. Is the same thing happening with my Pineapple Guava? Here is a link that might be useful: Milk & water cures blackspot fungus? Prune the tree lightly in the summer after harvesting the fruit. Why has my peach tree gone from a robust sprout to a sickly droop. Use pruning shears to cut back branches to shape the tree or thin out dense interior growth. My guava experienced leaf drop when it was first transplanted. This is happening to the two plants I planted out into the yard, about 75 feet apart, but not to the two plants that are still in gallon pots, only 15 feet from one of the suffering ones. They have brown spots on their leaves that are not outlined with yellow. We just planted a guava tree and it seems to be struggling. Last week I brought in my Mandevilla into the conservatory because they do not like frost. It results in immature falling of leaves, fruits and young shoots. If this is what is causing the sides of the leaf to turn brown, you should supplement the rainfall with manual watering. Brown leaves appearing on trees in spring can indicate frost damage. When I test a lower branch by bending it, it doesnÂt snap  which means that it is still healthy and green inside. However, I think tropical guava leaves are naturally drier than other fruit trees. In summary the plant looks healthy but is in need of a cleanup and repotting. You may notice that young shoots die back dramatically with fruit and leaves still attached, or that fruit and leaves develop small black dots that quickly grow into dark brown, sunken lesions. It looks like your guava tree is infected with anthracnose disease (fungal) caused by Colletotrichum gloeosporioides. Any acidic substance inhibits some browning, or oxidation, in pineapples by killing some enzymes that react with oxygen to turn the fruit brown. Over-watering a plant will show the same symptoms as under-watering. It does however require acidic soil. Pineapple Guava bruise easily and should be treated with care. On leaves the spots may vary form specks to big patches which may be crowded or scattered. I'm just afraid it'll spread and overwhelm the plants. Rinse it, dry it, then use it to cut the damaged leaves near the base of the pineapple plant. Most commonly brown leaf tips or brown edges on leaves are caused by the plant not getting enough water. Any help you can offer would be appreciated. Most of which would need an onsite examination of the tree to determine for sure. Our black land is alkaline, so that may be part of your problem. I'm befuddled. Give it a chance to become accustomed to the new higher light environment and all should be well. The cold temperature in your refrigerator slows down the enzymes in pineapple that cause it to age and turn brown, so refrigerate the whole fruit immediately. Trim off the dead areas and the dead leaf,but don't prune. Pineapple Guava bruise easily and should be treated with care. These plants grow from the centre, and if you're in the northern hemisphere, it will now rest and not do very much. Plant Leaf Tips Turning Brown & Dry. Pineapple Guava Trees. Cold damage to feijoa leaves results in a pale, dull leaf, perhaps turning evenly light brown, and falling off the plant some weeks later. Leaf tips may brown and outer leaves become droopy. Dip the fruit in lemon juice after peeling to prevent it from turning brown. Options include: Store cut pineapple in the freezer if you want to stop all ripening and prevent any browning. I guess that can't be the problem because some of the new growth has it too. I overwinter them outside, so at first, I thought it might be frost damage (the leaves were completely encased in ice last winter). Your plant requires heat plus humidity. Rinse it, dry it, then use it to cut the damaged leaves near the base of the pineapple plant. They too require acidic soil. I also put a tiny sprinkling of Job's 4-4-4 organic powder fertilizer. To prevent salt poisoning in soil-less plants do not just add water always change the water by overflowing it in a sink. I have some pineapple guava that I bought 4 weeks ago from the nursery. Hi Larry. I visited a local nursery and also felt the same dry crispiness on their tropical guava. It's not dead at all - but there are some dead areas at the tips of the leaves, and what looks like one completely dead leaf. Sterilize a garden knife in a solution of 3 parts water and 1 part bleach, soaking the blade for five minutes. The most effective way to keep a pineapple from turning brown is to to properly store and then quickly enjoy eating the fruit. It looks like your guava tree is infected with anthracnose disease (fungal) caused by Colletotrichum gloeosporioides. Best thing to do would be to remove the brown crisp leaves completely ( … About 20% of the existing leaves are gradually turning brown and dropping off. Pineapple Guava is an attractive, evergreen shrub with thick, leathery green leaves that are silvery underneath. On leaves, the fungus causes large, irregular dead spots at the tip or on the margin. The new location might just be a bit stressful causing some of the older leaves to mature and want to die off more quickly than you expect from previous behaviour. I've inspected the plants a few times now for insects but the only thing I've found are a couple of small spiders here and there hanging in the webs they make between the branches. Cephaleuros parasiticus as a parasite of guava leaves and fruit in Hawaii, causing a ... (2-8 mm) appear as irregular to sub-circular, dark smokey brown on the upper leaf surface, with a darker brown, diffuse border. Skin the pineapple and cut it into bite-size chunks or wedges; large wedges expose less surface of the cut pineapple to air than chunks do, reducing the amount of oxidation and browning. There is a “beige colored” hard cocoon about 1.5“on a branch. Daily water, and a 1/4 lb of 10-10-10 fertilizer did the trick, and it produced all new leaves! On stem it causes dieback symptom, where the stem dies backward from tip of the branches (green growing tip will change to dark brown and then to black due to necrosis). It has been in a cup of water on my kitchen table for two weeks and little roots are starting to grow, but the leaves are turning brown at the tips. The trunk may be branched at the base and the branches droop low to the ground. This would treat a large portion of the things that may be wrong with the tree. The fruit of the pineapple guava, called feijoas, is tasty, as well. These have only been in pots so far. That being said, the tips are still shooting new leaves. It's a fairly large plant for that size of pot. The bark seems to be a very light tan color and somewhat brittle looking. Alga infects immature guava leaves during early spring flush. Some nearby rose bushes have a very similar thing going on with their leaves, except the marks are much more round/circular. As for the possibility of weevils, to be honest, I'm not sure! I am planning on getting them in the ground this weekend, but the past few days I have noticed my leaves are starting to curl. The spots gradually widen until they have a gray coloration in the center and a brownish tinge on the edges. Add the liquid or powder to cut pineapple and stir the fruit thoroughly so all its surfaces are covered. There are many things that cause the ends of palms tree leaves to turn brown. This affects not only old leaves, but new growth as well. Leaves: Green and smooth on top, silvery underneath, elliptical, thick. Never experience pineapple leaves turning brown while germinating. This plant grows well in U.S. Department of Agriculture plant hardiness zones 8 through 10 and, like most plants, has specific care requirements. Does anyone know what's wrong with my pineapple guava plants? They have brown spots on their leaves that are not outlined with yellow. Probably stress from being repotted. I've read that this plant is extremely disease/pest resistant but can't find the information I need through searches.This affects not only old leaves, but new growth as well. I have some pineapple guava that I bought 4 weeks ago from the nursery. Pineapple guava do not change color (stay green) when they are ripe. Mar 24, 2019 - A place for the best guides, pictures, and discussions of all things related to plants and their care. I've read that this plant is extremely disease/pest resistant but can't find the information I need through searches. I would consider it like the azaleas. The California Rare Fruit Growers website recommends using an 8-8-8 NPK fertilizer. Also, this bush was bothered by the large multicolored grasshoppers this summer and I suspect they did some damage. The leaves of palm frond loose a lot of moisture through transpiration. Remove unsightly leaves. Cut pineapple stays good in the freezer, wrapped in freezer-safe plastic or any airtight container for 10 to 12 months. The leaves on my one-year-old pineapple guava are slowly getting black spots, then dying. Pineapple Guava is an attractive, evergreen shrub with thick, leathery green leaves that are silvery underneath. Wrapped in plastic, cut pineapple stays yellow for three to four days in the fridge. You can pick the thick, fleshy flower petals right off the plant and eat them as a sweet, crispy treat. Simply leave them out at room temperature until they reach your desired consistency and flavor. Try spraying the leaves and air around your plant to create the humidity it requires. A Web Experience brought to you by LEAFtv. The condition robs foliage of rigidity and discolors the leaves, changing them from green to yellow or red. 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