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Agriculture University, Jodhpur

Agriculture University, Jodhpur was established on 14th September, 2013 by Government of Rajasthan under Agriculture University, Jodhpur Act 21 of 2013 to focus on holistic development of arid and semi-arid regions of the state covering 6 districts (Jodhpur, Barmer, Nagaur, Pali, Jalore and Sirohi), constituting 28% of total geographical area which is sustaining 20.8% human and 28.4% animal population of the state. The districts under jurisdiction of the university cover 3 agro-ecological zones of the state. These are Arid Western Plain Zone Ia (Jodhpur and Barmer districts), Transitional plain of Luni Basin Zone IIb (Jalore, Pali, and Sirohi districts) and part of Transitional Plain of Inland Drainage Zone IIa (Nagaur district). The university has 1 institute of diploma and 3 colleges to produce highly competent educated human resources in agriculture and allied sciences besides 2 agricultural research stations, one each in zone Ia & IIb and 3 agricultural research sub stations, one in each zone to prepare, plan and perform highly need based research in this acute water scarce but naturally rich bio-diversified zone of the country. The third most important part in tri-pillar (Teaching, Research & Extension) of agricultural development, the extension for transfer of technologies are reached to doorsteps of the farming community by 6 Krishi Vigyan Kendras (K-V-Ks), 2 in Nagaur district and 1 each in Jodhpur, Barmer, Jalore & Sirohi districts under the umbrella of the university. The different units of teaching, research and extension are coordinating to systematically run by the headquarter situated at Mandor, Jodhpur.

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Subject: Agricultural Entomology × Author: Kumari, Pooja × Type: Thesis ×
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    ThesisItemOpen Access
    Seasonal Incidence and Management of Major Insect Pests of Pearl millet [Pennisetum glaucum (L.) R. Br.]
    (Agriculture University, Jodhpur, 2023-08-01) Kumari, Pooja; Pandey, Shalini
    The present investigation on “Seasonal incidence and management of major insect pests of pearl millet [Pennisetum glaucum (L.) R. Br.]” was carried out during Kharif 2022 at Research Farm, Agricultural Research Station, Mandor, Jodhpur. The incidence of shoot fly, Atherigona approximata Malloch; leaf roller, Marasmia trapezalis Guen.; grey weevil, Myllocerus discolor F. and ear head worm, Helicoverpa armigera Hubner were recorded in pearl millet during crop season. The infestation of shoot fly and leaf roller were started in 30th SMW while infestation of grey weevil and ear head worm were started in 29th and 35th SMW, respectively. The infestation of shoot fly and leaf roller reached to peak in 33rd SMW while infestation of grey weevil and ear head worm reached to peak in the 32th and 36th SMW, respectively. The shoot fly infestation showed non-significant correlation with all the weather parameters. Leaf roller and grey weevil infestation at maximum temperature showed negative significant correlation (r = -0.649 and r = -0.764, repectively). The larval population of ear head worm showed non-significant correlation with all the weather parameters. Among the thirty one hybrids/varieties were evaluated for resistance to shoot fly, the hybrids viz., GHB-744 and HHB-67 Imp. were recorded as resistant hybrid and six hybrids/varieties viz., MPMH-21, GHB-732, GHB-905, Kaveri Super Boss, AHB-1200 and Raj-171 were recorded moderately resistant at vegetative stage. Three hybrids viz., GHB-732, GHB-905 and AHB-1200 were found moderately resistant to larval population of ear head worm, H. armigera. Among the four different treatments, the minimum infestation (3.75% ) was recorded in treatment T1 (Seed treatment with imidacloprid 600 FS @ 8.75 ml/kg + spray of imidacloprid 17.8 SL @ 0.5 ml/l at vegetative stage + emamectin benzoate 5 SG @ 3 g/10 l at ear head stage) at vegetative stage however, it was statistically on par with treatment T2 (Seed treatment with imidacloprid 600 FS @ 8.75 ml/kg + spray of imidacloprid 17.8 SL @ 0.5 ml/l at vegetative stage + chlorantraniliprole 18.5 SC @ 3 ml/10 l at ear head stage) and T3 (Seed treatment with imidacloprid 600 FS @ 8.75 ml/kg + spray of imidacloprid 17.8 SL @ 0.5 ml/l at vegetative stage + indoxacarb 14.5 SC @ 0.5 ml/l at ear head stage) with 5.00 per cent infestation against shoot fly, A. approximata. At ear head stage the treatment T1 was found most effective against larval population of ear head worm, H. armigera (2.75 larvae/20 ear heads) after seven days of spray followed by treatment T2 and T3 (4.25 and 7.75 larvae/20 ear heads) whereas the treatment T4 was found least effective among all the treatments. The maximum grain and fodder yield was obtained in plots treated with treatment T1 (3042 and 3906 kg/ha, respectively) followed by treatments T2 and T3 (3000 and 3854 kg/ha; 2937 and 3802 kg/ha, respectively). The highest benefit cost ratio (B:C ratio) was obtained in plots treated with treatment T1 (3.77:1) followed by T3 and T2 (3.58:1 and 3.43:1, respectively).