Melanagromyza obtusa

Resistance against insect pests is a crucial trait for the stability and sustainability of pigeonpea production. A field trail was conducted to quantify relative tolerance and sensitivity in9 new long duration pigeonpea genotypes including local control against pod fly during Kharif2017-18 at the Entomological Research Farm, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi. In general, it was observed that none of the genotypes were found completely resistant to pests although these originated as least susceptible, moderately susceptible and highly susceptible.

9p trinhthamhodang9 16-12-2020 14 2   Download

Twenty nine long duration pigeonpea genotypes were screened for their reaction against pod fly during Kharif 2014-15 at the Agricultural Research Farm, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi. The first incidence of pod fly was observed in the 4th standard week in all genotypes except IVT-509, AVT-607 and AVT-605 and the population persisted up to 12th standard week in all the genotypes.

7p kethamoi6 29-06-2020 9 2   Download

The present study was conducted to evaluate the sequential application of different insecticidal treatments against pod borer [Helicoverpa armigera (Hubner)], tur pod fly [Melanagromyza obtusa (Malloch)] infesting pigeonpea variety BSMR 736 during Kharif 2015-16 and 2017-18.

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A field experiment was conducted at Agricultural Research Station, Badnapur (Vasantrao Naik Marathwada Krishi Vidyapeeth (VNMKV), Parbhani), India during Kharif season of 2015-2016. A total of 20 pigeonpea genotypes were screened for their response against Melanagromyza obtusa Malloch infestation. The present study revealed that the first incidence of M. obtusa maggots and pupae was observed in the 44th standard meteorological week (39.87 maggots and 10.33 pupae per 100 pods) and attained its peak on 03rd standard meteorological week with 120.78 maggots and 55.

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An experiment was conducted during kharif season 2015-2016 at experimental field, Department of Entomology, Live Stock Farm, Adhartal, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur (M.P.), to observe the “Succession of Insect Pest Complex and Their Natural Enemies in Pigeonpea [Cajanus Cajan (L) Millsp.]”. Result revealed that 17 species of insects (13 pest and 4 natural enemies) were observed in pigeonpea i.e. Jassids Empoasca fabae Harris, Cow bug Otinotus oneratus W., Pod bug Clavigralla gibbosa Spinola, Riptortus sp.

10p trinhthamhodang3 12-02-2020 13 0   Download