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Effect of plant density and plant growth regulators on flowering and corm production on gladiolus

KrishiKosh

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Title Effect of plant density and plant growth regulators on flowering and corm production on gladiolus
 
Creator Yadav, Sonu
 
Contributor Bhatia, S.K.
 
Subject Manpower, Sampling, Selection, Costs, Processed products, Topping, Biological phenomena, Adaptation, Productivity, Technological changes
 
Description The present investigation was carried out during 2014-2015 to study the effect of plant density
and plant growth regulators on flowering and corm production on gladiolus at the Experimental Farm
of Horticulture Department, CCS HAU, Hisar. Two different experiments were carried out. In first
experiment, corms were planted at 30 x 30cm, 30 x 15 cm, 20 x 20 cm, 20 x 15 cm and 15 x 15 cm
spacing. Plant height, number of leaves, length of spike, duration of flowering and number and weight
of corms and cormels per plant increased with increase in spacing, however days taken for initiation of
spike and for opening of basal floret were significantly decreased with increase in spacing.
In second experiment, corms were dipped overnight in the solutions of BAP (25, 50 and 100
ppm), GA3 (200, 300 and 400 ppm) and NAA (400, 500 and 600 ppm) including water dipping as
control. The gladiolus corms in NAA treatment could not germinate. Plant height, number of spikes per
plant, diameter of basal floret, duration of flowering, weight of corm per plant and diameter of corm
were observed maximum in GA3 400 ppm, whereas sprouting percentage, number of florets per spike
and length of spike was found maximum in GA3 300 ppm. BAP significantly increased the number of
corms per plant, whereas number and weight of cormels per plant were recorded maximum in GA3 200
ppm.
 
Date 2016-10-22T11:06:28Z
2016-10-22T11:06:28Z
2015
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/81363
 
Language en
 
Format application/pdf
 
Publisher CCSHAU