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Response to sowing dates and performance of different sunflower (Helianthus annuus) hybrids during rainy season in high-intensity cropping systems

Indian Agricultural Research Journals

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Title Response to sowing dates and performance of different sunflower (Helianthus annuus) hybrids during rainy season in high-intensity cropping systems
 
Creator SUR, H S
SHARMA, A R
 
Subject pearl millet fodder, growth duration, harvest index, heat units, sunflower, winter crops, rainfall, response curve, seed yield, sowing date
 
Description A study was conducted for 3-years during 1995-97 on the feasibility of growing sunflower (Helianthus annuus L.)during rainy season (August-November) in the Shiwalik foothills of Punjab at Ballowal Saunkhri. 'Jawalamukhi' sunflower hybrid was sown on varying dates, viz 4-6 August, 11-13 August,  18-20 August and 25-29 August in different years.In another trial in 1997, different hybrids, viz 'PSFH 67'. 'GK 2002', 'SH 3322', 'MSFH 8', 'PSH 17' and 'Jawalamukhi'were evaluated when sown on 8 August. The results indicated that sunflower could be grown successfully, with seedyield ranging from 1 559-2224 kg/ha depending on the variable rainfall pattern in different years. The crop sown on 1113August gave the highest yield of seed (1 587-2453 kg/ha) and stover (3 563-3970 kg/ha) in all the years and there wasa gradual decrease in yield with delay in sowing. The crop growth duration increased from 92-99 days but the total heatunits (0C) decreased from 1731 - 1621 with delay in sowing, as the late-sown crop experienced lower temperature during' theseed-filling period. The coefficient of variation (CV%) was low for the total growth duration (2.9%) and heat units(26%) suggesting that these parameters can be reasonably well predicted under the present conditions. None of the other hybridswas superior to 'Jawalamukhi'. Fresh fodder yield of pearl millet [Pennisetlum glaucum (L.) R. Br. emend. Stuntz] grownuniformly before sunflower (July-August) ranged from 3 296.-6 429 kg/ha in 32-55 days. The performance ofwinter season (November-April) crops,of wheat (triticum aestivum L. emend. Fiori & Paol.), barley (Hordeum vulgareL.), oats (Avena sativa L.), lentil (Lens culinaris Medik.) and safflower (Carthamus tincorius L.) decreased with delay insowing from 7 November to 3 December and depended greatly on the rainfall receivcd during the growth season.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-02-01
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/26989
 
Source The Indian Journal of Agricultural Sciences; Vol 69, No 10 (1999)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/26989/12267
 
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