PJB-2024-516
Genetic variability assessment for morphological, yield and biochemical traits in genotypes of bottle gourd [Lagenaria siceraria (Mol.) Standl.] over seasons under salt affected soil
Anoj Yadav
Abstract
The investigations were conducted using thirty nine genotypes [27 F1 hybrids and 12 Parents (9 lines and 3 testers)] of bottle gourd at Main Experiment Station Deptt. of vegetable Science ANDUAT Kumarganj Ayodhya to assess the scope of improvement in the available genotypes through selection. The germplasms were evaluated for twenty three morphological, yield and biochemical traits viz., days to first male flower anthesis, days to first female flower anthesis, node number to first male flower appearance, node number to first female flower appearance, length of pedicel of male flower (cm), length of pedicel of female flower (cm), days to first harvest, primary branches per plant, vine length (m), number of node per vine, internodal length (cm), picking duration, peduncle length (cm), fruit length (cm), average fruit circumference (cm), average fruit weight (kg), number of fruit per plant, fruit yield per plant (kg), total soluble solids (%), reducing sugars (%), non- reducing sugar (%), total sugars (%) and dry matter (g/100g). The evaluations were conducted consecutively for two similar seasons during 2019-20 (Y1)and 2020-21(Y2). The study revealed that mean squares due to parents, parents(line), parents(tester), lines x testers , patents x crosses and crosses a were found significant for most of the traits during both the seasons (Y1 and Y2) and pooled. The investigations further revealed that high PCV, GCV and ECV were observed for number of fruits per plant (36.59,29.90 and 21.08) and average fruit weight (26.29,19.71 and 17.39kg). High heritability coupled with high genetic advance were observed for yield and other most of traits indicated that improvement of these traits is possible through selection.
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