2. (ii) Drench the soil in the pit with 2 percent formalin solution and cover with sarkanda and old wetted gunny bags. Rebalance the tree among shoots, roots and fruit. Insects can produce several overlapping generations per year. An especially harmful version of this disease is called anthracnose which attacks many tree species including dogwood and sycamore.Positive identification usually requires laboratory diagnosis. Mature larvae abandon the ripe fruits and pupate underground. Guava wilt is a dramatic and devastating disease of plants that usually becomes noticeable with the onset of the rainy season. Poke holes in the lid of a plastic container, then add 1 or 2 inches of apple cider or white wine vinegar to the container. After fruiting, picking up fallen debris, thinning your guava and increasing air circulation by moving close-by plants further away can help prevent reinfection. Abstract. Fruit Rot, Anthracnose or Die Back: Oak Wilt. Importing goods. Growing citrus is a dicey business these days in Southern California, and not at all recommended if you live within a two-mile radius of a tree infected with Huanglongbing — … After hatching, the larva enters the fruit. Turmeric gel may help to treat gingivitis. Learning how to treat guava diseases is par for the course if you’re a guava owner, as is being able to detect signs of guava sickness. Wet, humid conditions promote spread of the disease; zoospores can be spread by splashing water. Turmeric is used in many … When you do have sick guava trees, they can become dramatically ill, so guava disease identification with haste is vital. Algae thrives on high relative humidity, so the more the wind can blow through, the less likely the infection is to survive next season. 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. Fragrant and tidy, it’s an easy-care plant, most of the time. Several fungal diseases such as anthracnose and leaf spots can be problematic to guava trees and cause branch dieback, spotted foliage, and affect the fruits. Also, it causes a decrease in tree resistance to diseases. Insect is tropical to subtropical insect; lifecycle is approximately 3 weeks allowing for several generations per year. Photinia Leaf Spot. Improve fruit quality, with more minerals available to the fruit. Leaf infections called "leafspots" are caused by a variety of fungi and some bacteria on many trees. Only affecting fruit, this problem often surfaces once fruits are developing. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Larva excrement deposited inside fruit causes fermentation. The insect can cause up to 70 to 100 % yield loss. Leaves covered in sticky substance and may have growth of sooty mold; reduced tree vigor; leaves and/or fruit dropping from plants; presence of green or gray flattened scales on leaves, twigs and/or branches. Guava fruit flies are widespread in Southern Asia while Caribbean fruit flies are damaging pests in Cuba, Jamaica, Hispaniola, Puerto Rico and Florida. Although it may appear similar to blossom end rot in garden plants like tomatoes, stylar end rot is believed to be caused by a fungal pathogen. Anthracnose. For lucky gardeners who can grow tropical fruits in their home landscapes, there’s little that beats a good guava. Efficient home remedy. So let's begins Major disease of guava 1, Pest and insects. It also threatens commercial native forests. Disease emergence favored by warm temperatures and high humidity. 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