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Effect of pinching plant nutrition and growth retardant sprays on seed yield, quality and storage studies in china aster [Callistephus chinensis Nees]

KrishiKosh

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Title Effect of pinching plant nutrition and growth retardant sprays on seed yield, quality and storage studies in china aster [Callistephus chinensis Nees]
 
Creator B.Gnyandev
 
Subject Seed Science and Technology
 
Description The field experiment was conducted to ascertain the influence of pinching, fertilizer
levels and growth retardant sprays on seed yield and quality. Storage studies in four china
aster varieties stored in four containers was also conducted in the department of Seed Science
and Technology, UAS, Dharwad during 2005-06. The results of the field experiment revealed
that pinching at 25 DAT showed significant decrease in plant height and increase in number
of flower bearing branches, number of flowers per plant, number of seeds per flower, test
weight and seed yield per ha (308 kg) with better seed quality parameters. Among fertilizer
levels, higher fertilizer level (270:180:150 kg NPK/ha) resulted in more number of branches,
flowers, seeds per flower and higher seed yield (342.3 kg/ha) with better seed quality
parameters. Among growth retardants, foliar spray at 25 DAT with MH 500 ppm followed by
CCC 200 ppm also resulted in more number of branches, flowers, seeds per flower, seed
yield per ha (362.28 and 316.85 kg, respectively) and higher seed quality parameters.
The interaction between pinching and fertilizer level (PxF), pinching and growth
retardant sprays (PxS), fertilizer levels and growth retardant sprays (FxS) and pinching,
fertilizer levels and growth retardants sprays (PxFxS) showed non-significant differences on
plant growth, seed yield and seed quality parameters. However, relatively more yield and
seed quality parameters were noticed with pinching, higher level of fertilizer and spray of
MH 500 ppm.
The storage experiment involving four varieties of china aster and four containers
revealed that, among varieties, Kamini followed by Phule Ganesh Voilet found relatively
better in storability with high germination and seedling vigour with low EC up to six months
of storage. Among containers, seeds stored in aluminium foil and polythene bags were found
better in storage with high germination and seedling vigour parameters compared to seeds
stored in paper and cloth bags.
 
Date 2016-10-25T16:35:58Z
2016-10-25T16:35:58Z
2006
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/81940
 
Format application/pdf
 
Publisher UAS, Dharwad