STUDIES ON EFFECT OF PLANT ARCHITECTURE ON SEED YIELD AND QUALITY IN OKRA [Abelmoschus esculentus (L.) Moench]
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Date
2016
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ABSTRACT
The present investigation entitled “Studies on effect of plant architecture on seed yield and quality in Okra [Abelmoschus esculentus (L.) Moench]” was carried out during Kharif 2015 using cultivar 'P-8'. The experiment was laid out in a Randomized Complete Block Design (factorial) with three replications at experimental farm and laboratory of Seed Science and Technology, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, (HP). The twenty four treatments comprised of combination of four different spacings viz. 'S1' (60×30 cm), 'S2' (45×30 cm), 'S3' (60×20 cm) and 'S4' (45×20 cm) and six different days of pinching after sowing viz. 'P0' (no pinching), 'P1' pinching 15 Days After Sowing (DAS), 'P2' pinching 20 DAS, 'P3' pinching 25 DAS, 'P4' pinching 30 DAS, 'P5' pinching 35 DAS. on days to 50% flowering, number of branches per plant, number of leaves per plant, leaf size (cm2), inter-nodal distance (cm), plant height at final harvest (cm), plant spread (cm2), days to first ripe fruit harvesting for seed, harvest duration of fruits for seed (days), per cent lodging, number of ripe fruits/plant, ripe fruit weight (g), ripe fruit length (cm), ripe fruit diameter (cm), ripe fruit yield per plant (g), number of seeds/fruit, per cent seed recovery, seed yield per plant (g), seed yield per plot (g), seed yield per hectare (q), 100 seed weight (g), germination (%), seedling length (cm), seedling dry weight (mg), seed vigour index-I and seed vigour index-II. From the present investigation it can be concluded that spacing 60×30 cm and pinching 30 DAS (S1P4) gave best results for plant growth parameters and treatment S3P4 i.e. 60×20 cm and pinching 30 DAS gave best results for all the seed yield characters and also performing significantly at par with best treatments with respect to some of the growth and seed quality parameters. Therefore, it is suggested that plant spacing 60×20 cm in combination with pinching 30 DAS can be recommended for commercial seed production of okra after multi-location, multi-year trials.
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Okra [Abelmoschus esculentus (L.) Moench]”,seed yield