STUDIES ON THE EFFECT OF PLANT ARCHITECTURE ON SEED YIELD AND QUALITY IN TURNIP (Brassica rapa L.)
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Date
2017
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UHF,NAUNI
Abstract
ABSTRACT
The present investigation entitled “Studies on the Effect of Plant Architecture on Seed Yield
and Quality in Turnip (Brassica rapa L.)” was carried out using cv Purple Top White Globe. The
experiment was laid out in Randomized Complete Block Design in the field with 18 treatments (viz.
control, topping, PBZ @ 10, 20, 30 and 50 ppm steckilng dip at replanting, PBZ @ 25, 50, 100 and
200 ppm at flower stalk emergence , Pro cal @ 10, 20, 30 and 50 ppm at steckling dip replanting and
Pro cal @ 25, 50, 100 and 200 ppm at flower stalk emergence) and in Completely Randomized
Design in Laboratory with three replications of each treatment at Department of Seed Science and
Technology, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan (HP) during Rabi
2015-16. The observations in field were recorded on days to 50 per cent bolting, duration of
flowering, days to harvesting, number of branches per plant, plant spread (cm2), plant height at final
harvest (cm), length of pod (cm), breadth of pod (mm), number of pods per plant, number of seeds per
pod, per cent broken branches, seed yield per plant (g), per plot (g) and per hectare (kg), While the
observations recorded in the laboratory were 1000 seed weight (g), seed germination (%), seedling
length (cm), seedling dry weight (mg), seed vigor index-I & II. Analysis of variance showed
significant differences among the treatment combinations for all the characters studied except
duration of flowering and days to harvesting. Experimental results revealed that treatment T6
(Steckling dip of PBZ @ 50 ppm at the time of replanting) was found superior over all other
treatments in terms of growth, seed yield and seed quality characters. Therefore, application of PBZ
@ 50 ppm as steckling dip at the time of replanting can be recommended for getting the higher yield
of quality seeds of turnip in Himachal Pradesh after multi locations and multi years testing.
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