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AICRP on Nematodes
(AICRP-Nematodes)

JNKVV Jabalpur

  • The minimum threshold density of Aphelenchoides besseyi is worked out to be five or more adults/seed hence, it may be considered for inclusion in seed certification programme. 
  • Hot water treatment of A. besseyi infested rice seed for 10 min at 54° C eradicated nematode population, foliar spray of carbosulfan (0.01% w/w) reduced the A. besseyi population in floral primordial of rice panicle. 
  • Soaking of paddy seeds with carbosulfan @ 0.1% + foliar spray with triazophos @ 0.02% or foliar spray alone with triazophos @ 0.02% at 40 days after transplanting was effective against A. besseyi. 
  • Application of carbofuran @ 2 kg a.i./ha in paddy field effectively controlled rice root nematode.
  • Treatment of nursery bed of tomato and brinjal with dazomet/phorate/carbofuran @ 0.6 g a.i./m2 reduced the root-knot nematode. 
  • Seed dressing of okra with carbosulfan (25 ST) 3% w/w with summer ploughing effectively control root-knot nematode and increased yield. 
  • Seedlings of tomato raised in solarized bed treated with carbofuran 0.3 g a.i./m2 and transplanted in main field where neem cake was applied @ 500 kg ha showed appreciable reduction in root-knot population.
  • Application of carbofuran @ 2 kg a.i./ha.in chickpea field brought down population of lesion nematode, Pratylenchus thornei below threshold level. 
  • Summer ploughing coupled with seed soaking of chickpea with carbosulfan @ 0.1% effectively reduced the population of lesion nematode. 
  • Cowpea seed treated with carbosulfan @ 0.01% minimized the root-knot population. 
  • Soybean seed treated with carbosulfan @ 0.01% and sown in deep summer ploughed field gave good control of reniform nematode. Similar effect of carbofuran @ 1 kg/ha was also seen in pigeonpea crop.
  • Dipping of ginger rhizomes in hot water at 45° C for 3 hours eradicated root-knot nematode. 
  • Summer ploughing/solarization (covering the ploughed area with transparent polythene sheet from 15 to 30th May) of ginger field effectively controlled the root-knot nematode. 
  • Combination of hot water treatment of ginger with either solarization or summer ploughing gave better result as compared to individual treatment in terms of reduction in root-knot nematode population.
  • Application of carbofuran @ 1 kg a.i./ha at planting + neem cake @ 2.5 t/ha at 45 days after
    planting.