STUDIES ON THE EFFECT OF GROWTH RETARDANT ON SEED YIELD AND QUALITY IN OKRA (Abelmoschus esculentus (L.) Moench)
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Date
2020-11
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NAUNI,UHF
Abstract
ABSTRACT
The present experiment entitled “Studies on the effect of growth retardant on seed
yield and quality in okra [Abelmoschus esculentus (L.) Moench]” was conducted at the
Khaltoo experimental farm of Department of Seed Science and Technology, Dr Yashwant
Singh Parmar University of Horticulture and Forestry, Nauni, Solan during kharif season of
2019-20. The experiment was laid in Randomized Complete Block Design (Factorial) with
one additional treatment in field having three replications each and Completely Randomized
Design (Factorial) with one additional treatment in the laboratory having four replications
each. Various concentrations of growth retardant cycocel (50, 100, 200, 300, 400 and 500
ppm) were applied as foliar spray at three different stages (20, 30 and 40 days after
germination) to study the effect on growth, flowering, fruiting, seed yield and quality
attributes in okra cv. P-8. Among different treatments, cycocel 500 ppm sprayed at 30 days
after germination was recorded significantly best for improved growth characters, fruit yield
characters, seed yield characters, seed quality characters and maximum B:C ratio. Whereas,
cycocel 500 ppm sprayed at 20 days after germination was observed best for earliness in
flowering and maturity. Therefore, foliar application of 500 ppm cycocel sprayed at 30 days
after germination can be recommended for commercial seed production of okra in Himachal
Pradesh after validation for one more year over different regions.