Morphometric characterization of Jatropha curcas germplasm of North-East India
作者： Basu Adreeja , Rao Gunupuru Lokanadha , Sahoo Lingaraj
关键词: Jatropha 、 Quantitative trait locus 、 Jatropha curcas 、 Heritability 、 Veterinary medicine 、 Trait 、 Germplasm 、 Biology 、 Population 、 Sex ratio
摘要: The morphological variation among Jatropha curcas L. populations from 29 different locations of North-East India was determined. Four other parts were also incorporated in the study as an out-group. trait based analysis J. revealed large quantitative traits populations. Of six used this study, highest (% coefficient variation=23.19) observed floral sex ratio (M: F) while canopy spread (CS) appeared least variable variation=1.67). Based on morphometric values, three Assam (IITJC15, IITJC24 and IITJC28) one population Arunachal Pradesh (IITJC7) emerged superior when compared with Both cluster principal component analyses depicted that IITJC19, IITJC21, IITJC22 maintained maximum inter-cluster distance rest are, thus, substantially distinct. no clear demarcation can be made between North-Eastern areas basis variability alone. Morphometric characterization leads to identification seven promising (IITJC7, IITJC15, IITJC22, which contribute breeding future. From variance components broad sense heritability, it suggested selection elite plants M: F ratio, 100 seed weight (100SW) total yield (TSY) tree improvement programs is likely more successful. Key words: Agronomic traits, analysis, ANOVA.
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