Pests and Diseases in Guava Cultivation:- The following are the major pests and diseases found in Guava cultivation. On hatching the maggots enter into the fruits and cause fruit drop. Diseases of Pomegranate and Papaya 28-32 6. For the past few days, the guava trees in Ayakudi, Dindigul district, have been dying of nematode and wilt disease. Diseases of Guava. Upon scraping away these spots, a thin, grayish white to dark-colored, necrotic crust remains on the leaf. Diseases of Field Crops and Their Management Author TNAU, Tamil Nadu . Diseases of Chilli 44-51 9. Prepared by DR. P. M. NIMJE AGRCULTURAL CONSULTANT, AISECT . Production Technology: Guava trees are planted at a distance of 5-6 meters. or Rhizoctonia sp. Diseases of Banana 17-23 4. Spraying the trees with 7.0 gm per litter of ZnSo4 and 46.5 gm of FeSo4 improves yield and quality. Disease symptoms are exhibited on both abaxial and adaxial leaf surfaces as orange, rust-colored, dense silky tufts ranging from 5 to 8 mm in diameter. Diseases of Guava 33-35 7. Diseases of Brinjal 52-57 10. Diseases of Chilli. When the condition worsened dramatically, experts from TNAU’s Department of Nematology, led by Professor Dr. K. Poornima, visited the area to study. Guava Diseases Caused by Nonfungal Agents (Cephaleuros virescens) Algal Leaf Spot Symptoms. Sparse foliage, yellowing of leaves and tree wilting are the symptoms. Diseases of Apple. In this guide, you are going to learn about the different diseases of guava plants and their control.. Click here if you want to learn more about the botany of the guava tree. Diseases of Potato. The symptoms appear on the infected trees many months after their roots have been attacked by the fungi. Guava diseases are among the most important factors in guava production or farming, which cause a major loss in guava fruit yield and vigor. Diseases of Citrus 5-9 2. Diseases of Mango 10-16 3. (200 1). Diseases of Apple 36-43 8. Management: Spraying the trees with Bordeaux mixture 0.6 % or Copper oxychloride 0.2% before the onset of monsoon reduces the disease incidence. Diseases: 1. This causes the yield to go down drastically. The region is the hub of guava production in the state. Comprehensive review of work has been done on wilt disease of guava by Prakash and Misra (1993), Misra (1995), Misra and Pandey (1996), Misra (2001) and Negi et al. Diseases of Grapes 24-27 5. Disease symptoms are exhibited on both abaxial and adaxial leaf surfaces as orange, rust-colored, dense silky tufts ranging from 5 to 8 mm in diameter. Diseases of Bhendi 58-61 11. Fruit Fly: Symptoms: During monsoon season, the adult lays eggs on the surface of the fruits. Diseases of Bhendi. 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