Forecasting Model for Wilt of Banana By Md. Kamaruzzaman Shakil

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Forecasting Model for Wilt of Banana By Md. Kamaruzzaman Shakil

  1. 1. TitleDiscuss The Important Factors For Forecasting and Prepare a Critical Weather Model For Wilt of Banana
  2. 2. ObjectiveTo know the important factors which are causedepidemic of Wilt of Banana.To prepare a critical weather model for Wilt ofBanana
  3. 3. DISEASE: Wilt of BananaCAUSAL ORGANISM: Fusarium oxysporum f. sp. cubense (FOC)Symptoms:
  4. 4. IMPORTANT FACTORS FOR FORECASTING OF WILT OF BANANA:HOST FACTORS: FACTORSBanana variety such Sobri, Kobri, Mehersagar, BARI Kola-1 are susceptible to wilt.If the same variety of banana are planting in a locality,that time chance of epidemic formation are very highrather than reverse situation. 1 2PATHOGEN FACTORS: FACTORS • Amount of primary infection: 45 013456… • Inoculum potential: •Rate of germination of spore: • Mechanism of release of inocula: • Rate of germination of spore:
  5. 5. ENVIRONMENTAL FACTORS: FACTORSBanana is mainly tropical crop and 27°C temperature isoptimum for normal growth and development. Iftemperature raised above 38°C the growth anddevelopment stopped. The optimum temperature for growth in between 25-30°C, and the optimum soil temperature for root infectionis 30°C or above. 1 2Rain fall play crucial role for disease development.TIME FACTORS: 45 013456…Banana wilt found in the month of July-August. Theduration of infection, incubation, sporulation, dissemination,complete disease cycle and critical growth are consider forforecasting.
  6. 6. CRITICAL WEATHER MODEL Fig. Forecasting model for Wilt of Banana
  7. 7. Control• Use the most resistant cultivars available•Uproot and destroy severely affected plants•Flood fallowing the infected fields. Raise paddy forone season to suppress the pathogen.•Apply lime at 1 – 2 kg in the pits after removal of theaffected plants• Nematodes predispose the pathogen, paring andparalinage with carbofuran 40g / rhizome and 10 g ofP.fluoroscens .•Apply Bavistin@ 1gm

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