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Association analysis for yield and component traits in sunflower (Helianthus annuus L.)

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Title Association analysis for yield and component traits in sunflower (Helianthus annuus L.)
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Creator Reena Rani
RK Sheoran
Subhash Chander
 
Subject Correlation and path analysis, Genotypes, Sunflower
 
Description Not Available
Ninety genotypes of sunflower were evaluated for the estimation of correlation and path analysis. Data were
recorded for yield and its component traits viz., days to 50% flowering, days to maturity, duration of reproductive
phase, plant height, stem girth, head diameter, 100-seed weight, seed filling percentage, hull content (%), protein
content (%), oil content (%) and seed yield per plant (g). The seed yield per plant showed positive and significant
correlation with seed filling percentage, head diameter, oil content and 100-seed weight showed negative correlation
with days to 50% flowering, days to maturity and hull content. This shows that head diameter, 100-seed weight, seed
filling percentage and oil content are the major yield contributing traits to be given more selection pressure for
improving yield. The path coefficient analysis showed that 100-seed weight had the highest direct and positive effect
on seed yield per plant followed by head diameter, plant height and oil content had positive direct effects on seed
yield. So, direct selection of genotypes for seed yield through these traits may be effective.
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Date 2019-05-08T11:02:09Z
2019-05-08T11:02:09Z
2016-01-01
 
Type Research Paper
 
Identifier 1
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/19307
 
Language English
 
Relation Not Available;
 
Publisher Not Available