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2017 - 20202
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Author: Malik, Sunil Kumar × Start date: 2017 ×
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    ThesisItemOpen Access
    Studies on effect of picking stages, seed treatments and containers on seed quality of okra (Abelmoschus esculentus L. Moench)
    (CCSHAU, Hisar, 2020) Malik, Sunil Kumar; Jakhar, S.S.
    The present study was carried out in the field and laboratories of Department of Seed Science and Technology, CCS Haryana Agricultural University, Hisar, Haryana during 2018-2020 to study the effect of picking stages, seed treatments and containers on seed viability of okra (Abelmoschus esculentus L. Moench). The best picking stage of okra for quality seed production was found on the fruits developed on middle nodes (6th to 10th) as compare to lower (1st to 5th) and upper nodes (11th to 15th). The seeds obtained from middle nodes were used for further studies. To study the effect of seed treatment with different fungicides and botanicals, seven fungicides (carbendazim, tebuconazole, difeconazole, flusilazole, chlorothalonil, azoxystrobin and vitavax power) and three botanicals (Pongamia, neem and turmeric) were used. The treated seeds were kept in three different containers viz., Polythene bag, hermetic bag and metal box up to 18 months at ambient room conditions. Among the interaction effects of fungicide with containers, the seed treatment with azoxystrobin stored in metal box was found superior. While the interaction effect of botanicals with containers, the seed treatment with neem leaf powder stored in metal box was found best. During the entire period of this study, it was revealed that the germination was maintained above Indian Minimum Seed Certification Standards (>65%). All the seed quality parameters (germination, shoot and root length, seedling dry weight, vigour indices-I & II, catalase, superoxidase dismustase, dehydrogenase and peroxidase) were declined with the advancement of storage time except electrical conductivity. The present study also indicated that the fungicide treated seeds showed better performance than botanical treated seeds
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    ThesisItemOpen Access
    Effect of seed treatments and containers on chilli and brinjal seed viability
    (CCSHAU, 2017) Malik, Sunil Kumar; Jakhar, S.S.
    The present investigation was carried out at the Department of Seed Science and Technology, CCS Haryana Agricultural University, Hisar to assess the effect of seed treatments and containers on chilli and brinjal seed viability. The material comprised of two varieties, one RCH-1 of chilli and other Hisar Shyamal-8 of brinjal, which were stored in different containers (metal box, cloth bag and plastic zipling bag) with fifteen fungicides (seed treatment) and control. All the treatments were evaluated for seed quality parameters viz. germination, shoot length, root length, seedling dry weight, vigour indices (I and II), electrical conductivity and dehydrogenase activity. All the treatments showed better performance as compared to untreated control. It was found that use of flusilazole (2g kg-1 seed) in chilli and carbendazim (2g kg-1 seed) in brinjal proved superior as compare to other fungicides. Among containers, metal box was proved better followed by plastic zipling bag and cloth bag for storability of both the crops. Seed quality parameters found decreased with the passage of time in all the containers and fungicide treatments. Only one seed quality parameter i.e. electrical conductivity showed increased values with the progress of storage period. Among the fungicides, systemic proved better than combi fungicides.