Abstract
<p>Anther culture technique offers great opportunities to accelerate breeding progress. The current study aimed to develop some good doubled haploid lines (DH) through anther culture technique and to evaluate them along with their five parents including two check varieties for yield and yield related traits. Analysis of variance revealed that varietal differences were signified and wide variability present among the genotypes with respect to all the characteristics studied. Correlation analysis revealed that grain yield was highly positive correlated with panicle length. The information on the inter association among the yield attributing characters showed the nature and extent of relationship with each other. Consequently, this will help in the improvement of different characters along with yield in breeding programmes.</p>
Highlights
Rice (Oryza sativa L.) is the staple food for more than half of the world’s population
The current study aimed to develop some good doubled haploid lines (DH) through anther culture technique and to evaluate them along with their five parents including two check varieties for yield and yield related traits
The information on the inter association among the yield attributing characters showed the nature and extent of relationship with each other. This will help in the improvement of different characters along with yield in breeding programmes
Summary
Rice (Oryza sativa L.) is the staple food for more than half of the world’s population. Considerable efforts are being directed towards improvement of existing cultivars for combined tolerance to biotic and abiotic stress which substantially decrase rice productivity This can be achieved by gene stacking and pyramiding. The production of doubled haploids via anther culture represents an alternate tool for the traditional crop improvement programs (Kaushal et al, 2015a). Production of doubled haploid plants through anther culture together with gene stacking for multiple agro-morphological and nutritional value traits is an attractive approach to fix these traits. With keeping the above points in view, the current research aimed to develop some good doubled haploid lines (DH) through anther culture technique and to evaluate them along with their five parents including two check varieties for yield and its component traits
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