2019
DOI: 10.1155/2019/5975901
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Genetic Variability and Correlation Coefficients of Major Traits in Early Maturing Rice under Rainfed Lowland Environments of Nepal

Abstract: Genetic variability is the fundamental requirement of any crop breeding program to develop superior cultivars. The objective of this study was to estimate the genetic variability and find out the correlation among the different quantitative traits of rainfed early lowland rice. The experiment was conducted consecutively two years during 2015 and 2016 in wet season across the four different locations in Regional Agricultural Research Station, Khajura, National Wheat Research Program, Bhairahawa, National Maize … Show more

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Cited by 66 publications
(64 citation statements)
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“…Ogunbayo et al (2014) reported high GA for yield, medium for pht and low for DH and DM support our findings. Tiwari et al (2019) also reported high GA and high heritability for yield and low GA and high heritability for DH and DM this is similar to our findings. Akinwale et al (2011) reported similar findings high heritability coupled with high GA for NGPP, Yld and NPPH.…”
Section: Genetic Variability Heritability and Genetic Advancesupporting
confidence: 92%
See 1 more Smart Citation
“…Ogunbayo et al (2014) reported high GA for yield, medium for pht and low for DH and DM support our findings. Tiwari et al (2019) also reported high GA and high heritability for yield and low GA and high heritability for DH and DM this is similar to our findings. Akinwale et al (2011) reported similar findings high heritability coupled with high GA for NGPP, Yld and NPPH.…”
Section: Genetic Variability Heritability and Genetic Advancesupporting
confidence: 92%
“…Similar result was obtained by Selvaraj et al (2011) positive correlation of thousand grain weight, panicle per hill, panicle length and number of grains/panicle to the rice yield. Tiwari et al (2019) reported sigficant correlation of DH and DM to grain yield. Patel et al (2014), Yadav et al (2010) and Akinwale et al (2011) reported partial support to our findings.…”
Section: Correlationmentioning
confidence: 94%
“…The higher reproductive variation in normal N levels ( Figure 1B ) relative to low N levels ( Figure 1C ) has implications for NUE, which is a derivative of reproductive performance (grain yield/N). High variation for reproductive parameters was reported in rice ( Tiwari et al, 2019 ), but not in the context of N-response or NUE, while variation in chlorophyll has been recently linked with NUE ( Jia et al, 2020 ). The restoration of variation from vegetative to reproductive phase is an unprecedented observation that prompts us to recommend the use of seeds of modal weight to control internal variation in vegetative parameters while phenotyping for any quantitative trait.…”
Section: Discussionmentioning
confidence: 99%
“…In corn, early maturity is preferable if it does not cause significant yield reduction [32]. Days to maturity is positively and significantly correlated with grain yield in many cereal crops such as maize [58], rice [59], sorghum [60] and pearl millet [61]. The low grain yield in early mature genotypes would be because the crops need more time to accumulate biomass and then the accumulated biomass is partitioned into economic yield.…”
Section: Correlationmentioning
confidence: 99%