guava diseases tnau

Diseases of Grapes 24-27 5. (200 1). Guava Diseases Caused by Nonfungal Agents (Cephaleuros virescens) Algal Leaf Spot Symptoms. On hatching the maggots enter into the fruits and cause fruit drop. Diseases of Mango 10-16 3. Diseases of Chilli 44-51 9. 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. Guava diseases are among the most important factors in guava production or farming, which cause a major loss in guava fruit yield and vigor. 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 Apple. Diseases of Guava 33-35 7. Diseases of Guava. Diseases of Pomegranate and Papaya 28-32 6. Production Technology: Guava trees are planted at a distance of 5-6 meters. Diseases of Potato 62-72 12. Diseases of Chilli. Pests and Diseases in Guava Cultivation:- The following are the major pests and diseases found in Guava cultivation. Prepared by DR. P. M. NIMJE AGRCULTURAL CONSULTANT, AISECT . Diseases of Bhendi. or Rhizoctonia sp. 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 Banana 17-23 4. Sparse foliage, yellowing of leaves and tree wilting are the symptoms. This causes the yield to go down drastically. 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. The symptoms appear on the infected trees many months after their roots have been attacked by the fungi. Upon scraping away these spots, a thin, grayish white to dark-colored, necrotic crust remains on the leaf. Spraying the trees with 7.0 gm per litter of ZnSo4 and 46.5 gm of FeSo4 improves yield and quality. Guava Wilt: Wilt in guava is caused by a fungus Fusarium solani or Cephalosporium sp. Diseases of Field Crops and Their Management Author TNAU, Tamil Nadu . Diseases of Potato. Diseases of Citrus 5-9 2. Diseases of Brinjal. Diseases of Brinjal 52-57 10. Diseases: 1. Diseases of Bhendi 58-61 11. When the condition worsened dramatically, experts from TNAUâs Department of Nematology, led by Professor Dr. K. Poornima, visited the area to study. Fruit Fly: Symptoms: During monsoon season, the adult lays eggs on the surface of the fruits. For the past few days, the guava trees in Ayakudi, Dindigul district, have been dying of nematode and wilt disease. Management: Spraying the trees with Bordeaux mixture 0.6 % or Copper oxychloride 0.2% before the onset of monsoon reduces the disease incidence. The region is the hub of guava production in the state. Diseases of Apple 36-43 8. 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