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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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20211
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Subject: Plant Pathology × Author: Choudhary, Anand × End date: 2021 × Start date: 2021 × Type: Thesis ×
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    ThesisItemOpen Access
    Investigations and Management of Early blight [Alternaria solani (Ellis and Martin) Jones & Grout] of Tomato (Solanum lycopersicum L.)
    (Agriculture University, Jodhpur, 2021-08-10) Choudhary, Anand; Verma, J.R.; Ram, Dama; Moond, S.K.
    Tomato (Solanum lycopersicum L.) belongs to the nightshade family Solanaceae. It is most remunerative vegetable crop. Tomato originated from Peru, Bolivia, Chili and Ecuador. Early blight disease cause more than 79% fruit yield loss under suitable environment condition therefore, present investigations on A. solani were under taken with the objectives viz., survey, collection, isolation, pathogenicity test, varietal screening, management thought fungicides, plant extracts, neem formulation, bio agents under in vitro conditions. The survey studies indicated that early blight disease (A. solani) was common occurrence and distributed in all five tehsils of Jodhpur district of Rajasthan showed that Tinwari (32.35%) recorded highest disease intensity and least early blight intensity was recorded from Bilara (12.04%). Fresh naturally infected tomato diseased plants showing typical characteristic symptoms of early blight were collected from College farm, Agriculture University, Jodhpur and were subjected to isolate by following standard tissue isolation method and revealed the association of Alternaria spp. after studying the morphological characters of the fungus and the pathogenicity was proved by Koch’s Postulates. Ten tomato cultivars along with one susceptible check were screened among them Pusa Ruby and Arka Rakshak were categorized as resistant while, Pusa Rohini, Arka Abhed and Arka Samrat were moderately resistant whereas, Arka Apeksha was moderately susceptible and Kashi Adarsh and Arka Vishesh were susceptible and Arka Vikas, VL- Tamatar 4 were highly susceptible. Among the fungicides screened in vitro, complete mycelial growth inhibition of A. solani was observed in Hexaconazole 4% + Zineb 68%. whereas Pyraclostrobin 133 G/L + Epoxiconazole 50 G/L SE was second best fungicide and it inhibit 89.62% mycelial growth at 250 ppm concentration and it inhibit mycelial growth (100%) at 500, 750, 1000 ppm concentrations followed by Kresoxim methyl 44.3 SC @ 0.044% and recorded 88.14% mycelial inhibition at 250 ppm 98.21% at 500 ppm and 100% at 750 & 1000 ppm concentration respectively.