Seasonal incidence and management of aphid and seed midge on coriander
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Study on the screening of coriander varieties against coriander aphid, Hyadaphis coriandri and seed midge, Systole albipennis was conducted at Chaudhary Charan Singh Haryana AgriculturalUniversity, Hisar, Haryana (India) during the 'rabi' season of 2014-15. The present study revealed that among the ten varieties/germplasm variety Hisar Anand harboured the highest number of aphids (10.74 aphids/umbel). On the other hand germplasm DH-2 harboured the minimum number of aphids i.e. 6.35aphids/umbel. The data on incidence of seed midge showed that on the basis of season's average,maximum incidence w...
Study on the screening of coriander varieties against coriander aphid, Hyadaphis coriandri and seed midge, Systole albipennis was conducted at Chaudhary Charan Singh Haryana AgriculturalUniversity, Hisar, Haryana (India) during the 'rabi' season of 2014-15. The present study revealed that among the ten varieties/germplasm variety Hisar Anand harboured the highest number of aphids (10.74 aphids/umbel). On the other hand germplasm DH-2 harboured the minimum number of aphids i.e. 6.35aphids/umbel. The data on incidence of seed midge showed that on the basis of season's average,maximum incidence was recorded in cultivar DH-206 (9.09%) and minimum in DH-306 (4.66%).Study conducted on evaluation of insecticides revealed that cypermethrin 10 EC @ 300 ml/ha proved to be the most effective insecticides among all the insecticides followed by fenvalerate 20 EC @ 150ml/ha, chlorpyriphos 20 EC @ 1000 ml/ha and novaluron 10 EC @ 500 ml/ha. On the other hand,malathion 50 EC @ 875 ml/ha and nimbecidine (0.03%) @ 2500 ml/ha proved to be the least effective but superior to control.
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