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Effects of Stage of Harvest and Post-harvest Ripening of Fruits on Seed Yield and Quality in Cucumber Grown under Open Field and Protected Environments

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Title Effects of Stage of Harvest and Post-harvest Ripening of Fruits on Seed Yield and Quality in Cucumber Grown under Open Field and Protected Environments
Not Available
 
Creator Nakul Gupta, Sunil Kumar, S. K. Jain, B. S. Tomar, Jogendra Singh and Vishwanath Sharma
 
Subject Cucumber, Seed development, Postharvest ripening, Environment, Seed yield and Quality, seed composition, ROS, Antioxidants
 
Description Not Available
Among the various stages of fruit harvest 35, 40, 45 DFP under open field (E1); and 45,
50, 55 DFP under protected (E2) environments, in combination with post-harvest ripening
(PHR) periods (0, 10, 20 and 30-days);treatment F2P4 (40 DFP+30-days PHR), followed
by F3P3 (45 DFP+20-days PHR) under open field, whereas, treatment C2P4 (50 DFP+30-
days PHR), followed by C3P3 (55 DFP+20-days PHR) under protected environment, were
superior in optimizing both seed yield and quality in two cucumber varieties (Pusa Barkha
and Pusa Uday), during 2019-20, at ICAR-IARI, New Delhi. The seed yield attributes (i.e
total filled seed and 1000-seed weight) and seed quality attributes (germination and
vigour) were higher under protected environment. Maximum seed fresh & dry weights,
and minimum seed moisture content, EC, TSS and TSP (from seed leachates) were
registered with treatments F3P3 under E1, and C3P3 under E2. Of the seed composition,
total soluble proteins, starch and oil contents (in seed) increased with the progression of
seed maturation and PHR period (0 to 30-days), whereas total soluble sugars (in seed)
significantly reduced, may be due to its conversion into starch. Reduced ROS (O2
ยท- and
H2O2) in PHR seeds (from all stages of seed development), may be due to reduction in
seed moisture, which imposes a lower potential threat to seed, consequently reduced
antioxidants(SOD, CAT and POX); indicative of physical and physiological soundness of
seeds.
Not Available
 
Date 2021-07-24T07:40:43Z
2021-07-24T07:40:43Z
1001-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/49760
 
Language English
 
Relation Not Available;
 
Publisher Not Available