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Effect of seed invigouration on synchrony and storage potentiality of parental lines of sunflower hybrid rsfh-1

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Title Effect of seed invigouration on synchrony and storage potentiality of parental lines of sunflower hybrid rsfh-1
 
Creator Chandrakanth N.Pawar
 
Contributor S.N.Vasudevan
 
Subject Seed Science and Technology
 
Description Field and laboratory experiments were conducted to study the effect of seed
invigoration on synchrony and storage potentiality of parental lines of sunflower hybrid
RSFH-1 at the Main Agricultural Research Station and Laboratory studies in the Department
of Seed Science and Technology, College of Agriculture, University of Agricultural Sciences,
Dharwad – 580 005 during kharif season of 2005-06. The results of the field experiment
revealed that, (RH64NB) male parental seeds invigorated with GA3 50 ppm showed
significantly higher field emergence, plant height, leaf area index, lesser number of days to
initiation of flowering, days to 50 per cent flowering, maximum capitulum diameter, higher
seed set, seed yield per plant and seed yield per ha (802.0 kg) in female parent (CMS 103A),
but no significant differences were noticed among seed quality parameters. The urea (2%)
spray at button initiation stage resulted in maximum plant height, leaf area index, lesser
number of days to initiation of flowering, days to 50 per cent flowering, maximum capitulum
diameter, higher seed set, seed yield per plant and seed yield per ha (794.0 kg) but seed
quality parameters were non-significant. The interaction between seed invigouration and urea
spray showed non-significant difference on plant growth, seed yield and seed quality
parameters. However, perfect synchrony between parental lines and more hybrid seed yield
were noticed with male seed invigorated with GA3 50 ppm followed by spraying of urea (2%)
to the restorer line at button stage.
The storage experiment involving female (CMS-103A) and male (R-64NB) parental
seeds of sunflower hybrid RSFH-1, revealed that among seed invigoration treatment ıtocopherol
(2%) found relatively better in maintaining higher germination and seedling
vigour with low EC and lower lipid peroxidation value up to eight months of storage in both
parental line.
 
Date 2016-10-25T16:41:57Z
2016-10-25T16:41:57Z
2006
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/81945
 
Format application/pdf
 
Publisher UAS, Dharwad