[PDF] Top 20 Estimates of genetic variability parameters for yield and yield attributes in groundnut (Arachis hypogaea L.)

... severe yield loss. With an objective of upgrading yield integrated with disease resistance, two cross derivatives in BC 2 F 1 generation were developed by crossing foliar disease susceptible variety CO 7 ... See full document

... heritability estimates along with genetic advance would be more useful in predicting yield under phenotypic selection than heritability estimate ...and genetic gains are important indicators ... See full document

... hypogea L) production fluctuates considerably as a result of rainfall ...in yield and ...high yield should be ...and yield on selected groundnut cultivars. Three groundnut ... See full document

... narrow genetic base therefore, it is essential to create more variability in the segregating ...materials. Genetic variability is the basic requirement for crop improvement as it provides ... See full document

... Fifteen groundnut genotypes were received from International Crop Research Institute for the Semi Arid Tropics (ICRISAT), Patancheru, Hyderabad, Andhra Pradesh, India were evaluated at field experimentation ... See full document

... The groundnut production in India and China accounts for about two thirds of the world’s groundnut and USA contributes about 6 % (Guo et ...reduces groundnut productivity ...1980). Groundnut ... See full document

... of yield components (pod and seed characteristics) in the groundnut (Arachis hypogaea ...important groundnut varieties released by Werer Agricultural Research Centre, ...The ... See full document

... The estimates of genetic parameters revealed that the additive (d), dominance (h) and epistatic effects in the cross ICGV 03128 × COG 0437, ICGV 03128 × VRI Gn 6; dominance (h) and epistatic effects ... See full document

... There are several approaches to increase the concentration of micronutrients in foods, including food stuff nutrient fortification, supplementation programmes, conventional breeding and genetic engineering to ... See full document

... The genetic gain that can be expected by selection for a character is given by the estimates of genetic ...haulms yield per plant showed high genetic advance as per cent of mean ... See full document

... different yield and yield attributes presented in Table 2 revealed that seed yield has positive correlation with different yield attribute in the order of pod wt/plant ... See full document

... of genetic variation and the higher estimates of heritability implied that the environmental effects least influence these ...and variability parameters for pod yield, kernel ... See full document

... pod yield per plant (g), 100-pod weight (g), kernel yield per plant (g), 100-kernel weight (g), biological yield per plant (g), shelling out-turn (%), harvest index (%) and oil content ...of ... See full document

... recombinants. Genetic improvement mainly depends upon the amount of genetic variability present in the ...pod yield. Thus, for improving the pod yield, selection of parents based on ... See full document

... the genetic composition and the nature of gene action involved in the expression of the trait to be improved is the basic requirement of the ...ability estimates can be translated into measures of additive ... See full document

... estimate genetic characterization, character association direct and indirect effects by path analysis for pod yield per plant and its components by using 15 groundnut ...pod yield per plant ... See full document

... The estimates of mean sum of squares (Table 1) due to male, female, male vs female, hybrids and parents vs hybrid showed significant variation for most of the characters studied indicating the presence of ... See full document

... the genetic potential of the genotypes. Plot yield was recorded and pod yield per hectare was calculated for the purpose of data ...Stability parameters were computed as given by Eberhart and ... See full document

... with groundnut make possible to increase the yield of crop (Nwaga and Ngo Nkot, 1998) because it may highly contribute to increase the soil nitrogen contents (FAO, ...and groundnut fixed 70% - 80% ... See full document

... The per se performance and general combining ability effects are presented in Table 2. The parent VRI Gn 6 recorded significantly higher mean for number of mature pods, pod yield and kernel yield per plant. ... See full document