[PDF] Top 20 Combining ability analysis for yield & yield components in rice (Oryza sativa L.)

... programme. Combining ability analysis of the parents and their crosses provide information on the two variances ...on combining ability of seven line and three tester was ... See full document

... for rice is expected to grow faster than production in most countries so much that by the year 2025, 800 million tones of it will be needed annually ...where rice is the staple ...programme. ... See full document

... of rice in food and nutritional security. Rice (Oryza sativa ...India, rice is grown in an area of ...stable rice production is extremely important to feed the constantly growing ... See full document

... area, rice provides 35– 60% of the calories ...the rice growing countries in the world, India has the largest area under rice crop (about ...China. Rice contributes 43 per cent of total food ... See full document

... Introduction Rice (Oryza sativa ...of rice continues to rise because of increase in population and improvement in living ...A yield plateau is felt and there is no further increase in ... See full document

... enhanced rice production under field situation. The observed increases in yield were due to higher rate of the economic yield, number of filled grain/cluster, and additional 1000 grain ...influence ... See full document

... Deviation of regression coefficient ‘b’ from zero was non-significant in boro-2014 and boro-2015 but it was significant for kharif-2015. Therefore Vr-Wr graph was plotted only for kharif-2015 (Fig.1) which revealed ... See full document

... for yield and yield component characters in four hundred mutant lines of ...Biological yield, number of grains per panicle and number of filled grains per panicle are important in selection ... See full document

... growth, yield (total fresh weight and dry weight), protein concentration and amylase activity in rice ...in rice plants. Chemical properties of soil analysis showed that pH adversely affected ... See full document

... world, rice provides 27% of dietary energy and 20% of dietary protein for people’s daily life ...Moreover, rice has relatively small genome size [3], so it is generally used as a model species in plant ... See full document

... sakha101 was the later parent for No. of days to heading. In the meantime, No. of panicles plant -1 , the highest mean values were obtained from the parents Sakha101 and Sakha105 (23.0 and 22.0 panicles), but Giza177 ... See full document

... to yield traits across trials and the four high yielding genotypes ...yielding rice cultivars. Functional analysis and validation of genes underlying these genomic regions will help hastening ... See full document

... specific combining ability ...crosses. Combining ability analysis is one of the powerful tools available to estimate the combining ability effects and aids in selecting ... See full document

... for yield, the hybrids namely, Pusa-6A × HUR-105 was highest yielder ...for yield components namely, days to maturity, plant height (cm), number of tillers per plant, 1000 grain weight, panicle ... See full document

... in rice yield is needed (Murchie et ...increase rice yield is an urgent issue. Rice inflorescence architecture is a key agronomic factor that determines grain yield, and thus has ... See full document

... 2012-2013 in a randomized block design with two replications in the Oilseeds Research Station, Tindivanam, Tamil Nadu. The hybrids and parents were raised in 3 meter length row. The spacing adopted was 30 x 10 cm. ... See full document

... The components of (h) and (l) having opposite sign implied the involvement of duplicate epistasis in the inheritance of this trait in all the crosses except cross ... See full document

... The analysis of variance and the estimates of GCA effects for different characters of eight parents and the SCA effects of 28 crosses for the same characters are presented in table 2 to 8 and discussed under the ... See full document

... The submergence to field capacity treatment was given to one set of plants (3 pots per set) during vegetative phase and at the rest of the phases 0. e., reproductive and [r] ... See full document

... plant(g). Analysis of variance is used for testing whether there is significant difference among the treatments or not by following the procedure of randomized block design (RBD) analysis (Panse and ... See full document