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Book of Extended summaries ISDA

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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges &<br />

Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad<br />

increasing vector borne diseases and declining immunogenic response observed in livestock <strong>of</strong><br />

coastal areas <strong>of</strong> Sundarban. Cattle, the main milk producing animals at the area, are directly<br />

affected through different biotic and abiotic stress leading to economic loss <strong>of</strong> farmers. The<br />

present study was aimed to reduce the heat stress by nutritional manipulation through<br />

supplementation <strong>of</strong> different fodders. The study shows that among different treatments<br />

supplementation <strong>of</strong> matured Super Napier fodder @ 10 kg / day / animal with market available<br />

cattle feed @ 2 Kg / day /animal showed significant (p < 0.05) ameliorative effect against heat<br />

stress observed through body temperature, respiration rate, blood cortisol level, milk and body<br />

weight parameters within the time period <strong>of</strong> June to September.<br />

T3-27P-1188<br />

Management <strong>of</strong> Fall Armyworm, Spodoptera frugiperda in Organic<br />

Sorghum Cultivation<br />

G. Shyam Prasad, J. Stanley, S. Aruna Sai, K. Srinivasa babu and B. Gangaiah<br />

ICAR- Indian Institute <strong>of</strong> Millets Research, Hyderabad- 500 030, Telangana<br />

Sorghum bicolor (L). Moench is one <strong>of</strong> the important crops for human and animal consumption,<br />

particularly in the semi-arid tropics and south Asian countries. It is grown in hot climate and<br />

best suited for drought conditions as it exhibits morphological adaptations for dry spells<br />

(Ramatoulaye et al. 2016). Sorghum is affected by many insect pests like shoot fly, stem borers,<br />

shoot bug, aphids, white grubs etc. Recently, fall armyworm (FAW), Spodoptera frugiperda<br />

(JE Smith) (Lepidoptera: Noctuidae) is being reported as the major pest causing economic<br />

losses. FAW is a highly polyphagous insect pest that attacks more than 80 plant species,<br />

Majorly, maize, sorghum, millet, sugarcane, and vegetable crops in India (Prasanna et al. 2018).<br />

The young caterpillars <strong>of</strong> FAW start feeding on the leaves, that shows patches on the leaves<br />

called windows. By stage 4, the caterpillar will be bigger and have reached the whorl, where it<br />

does the most damage, resulting in ragged holes in the leaves. Feeding on young plants can kill<br />

the growing point, resulting in reducing the growth <strong>of</strong> new leaves and cobs. Though there are<br />

many insecticides recommended for the management <strong>of</strong> this pest, it is needed to have a biointensive<br />

pest management module for sorghum farmers as the crop is grown mostly under<br />

organic farming condition.<br />

Methodology<br />

A field trail was conducted at research farm <strong>of</strong> ICAR - Indian Institute <strong>of</strong> Millets Research,<br />

Hyderabad, Telangana. India during two consecutive Rabi seasons <strong>of</strong> 2018-2019 and 2019-<br />

2020 to evaluate the efficacy <strong>of</strong> biocontrol agents in sorghum. The experiment was laid out in<br />

randomized block design (RBD), with seven treatments viz., T1 (Trichogramma pretiosum 1<br />

card per acre), T2 (T1 + NBAIR Bt 2%), T3 (T1 + Metarhizium anisopliae NBAIR-Ma 35,<br />

389 | Page Managing genetic resources for enhanced stress tolerance

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