冬瓜采后成熟的生理基础及籽粒提取规范

Q4 Agricultural and Biological Sciences

Indian Journal of Horticulture Pub Date : 2023-06-28 DOI:10.58993/ijh/2023.80.2.4

N. Gupta, P. Singh, Rajesh Kumar, T. Chaubey, Vikas Singh

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引用次数: 0

摘要

手工提取冬瓜籽费时费力，新鲜收获的种子具有休眠性。因此，规范了冬瓜种子提取工艺，阐明了冬瓜收获后成熟(PHR)的生理生化变化。卡希达。与酸、碱和人工提取相比，让果肉发酵24至48小时可以获得最好的种子质量(发芽和活力)。与从新鲜收获的水果中获得的种子相比，在种子提取前20-30天进行PHR可以获得更高的种子产量(每个果实的种子和100粒种子重量)，更高的种子萌发率和活力。生理分析表明，除总可溶性糖外，PHR增加了种子储备(总可溶性蛋白和淀粉)，这可能是由于转化为淀粉所致。

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Physiological basis of post-harvest ripening and standardization of seed extraction in ash gourd

Manual seed extraction of ash gourd is time and labour extensive, and freshly harvested seeds possess dormancy. Hence, seed extraction protocol was standardized, and physio-biochemical changes associated with post-harvest ripening (PHR) were elucidated in ash gourd cv. Kashi Dhaval. Allowing pulp to ferment for 24 to 48 h gave the best quality seed (germination and vigour) compared to acid, alkali and manual extraction. PHR of fruit for 20-30 days before seed extraction gave the higher seed yield (seeds per fruit and 100-seed weight), higher seed germination and vigour compared to seed obtained from freshly harvested fruits. Physiological analysis showed that PHR increased the seed reserve (total soluble proteins, starch) except total soluble sugars, conceivably due to conversion to starch.

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