A study was conducted at the Vegetable Research Farm, Maharajpur, Department of Horticulture, JNKVV, Jabalpur. In this study, 23 genotypes of bottle gourds (6 parental lines, 15 diallel crosses, and 2 checks) were assessed for performance with an emphasis on physiological characteristics. The maximum leaf area index (11.17) and leaf area duration (241.26) were obtained for the genotype JBG-2 at 75 DAS and 60-75 DAS respectively. However, the maximum specific leaf area was recorded In Samrat-1 (2189.66). At 60 DAS, the highest specific leaf weight (0.90) of JBG-4×Pusa Naveen (2189.66) was recorded. The maximum chlorophyll content index was reported at 60 DAS for JBG-4×JBG-5 (53.88). At 60 DAS, JBG-2×Pusa Naveen (10.16) and JBG-3×Pusa Naveen (65.31%) had the highest energy interception and light transmission ratios, respectively. It is easier to choose genotypes with the best physiological attributes for increased growth and yield when one is aware of the relationships between these traits. For example, genotypes with high levels of LAI and LAD are probably more capable of photosynthetic processes, which improves overall performance.
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Saryam et al. (2024) studied this question.
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