Seed yield and quality as influenced by growing conditions in hybrid seed production of bitter gourd (Momordica charantia L.) cv. Pusa Hybrid-1
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Abstract
The present investigation was carried out under insect proof net house (IPN) and open field condition (OFC) at Centre for Protected Cultivation Technology and Seed Testing Laboratory of Division of Seed Science &Technology, IARI, New Delhi in bitter gourd cv. Pusa Hybrid-1 during summer season because under open field condition the seed yield and seed quality of bitter gourd drastically reduced due to viral diseases and fruit fly in kharif and early onset of high temperature, unseasonal rains during summer, which restricts the hybrid seed production of bitter gourd under north Indian condition. The observations on seed yield & quality characters and physical properties of seed were recorded. The quality attributes were evaluated immediately after harvest and after 8 months of ambient storage and their results were compared. The experimental results revealed that total number of seed per fruit (46.7), number of filled seed per fruit (45.3), seed yield per fruit (9.41g), seed yield per plant (27.28g), and seed yield per hectare (232kg) were significantly higher under IPN in comparison to OFC. Among the physical parameters of seed, seed width (0.81cm) & seed coat (0.79g) weight recorded significantly higher in IPN. The seed quality attributes immediately after harvest was also significantly superior under IPN compared to OFC except for germination %. The hybrid seed produced under IPN conditions could maintain their superiority for quality traits even after 8 months
of its ambient storage. The seed yield and seed quality attributes were comparatively superior under IPN conditions. The seed crop grown under IPN overcomes the threat of insect vectors, viral diseases and unfavourable climatic conditions and helps in attaining the better seed yield and quality.
Article Details
Article Details
Insect proof net house, Open field, Seed Quality, Seed yield
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