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An experiment was conducted to know the influence of growth regulators IBA, NAA and salicylic acid with different concentrations on rooting of stem cuttings in pointed gourd (Trichosanthes dioica Roxb.) in College of Horticulture, Venkataramannagudem, during the year 2023-2024. The experiment was laid out by following Factorial Randomized Block Design (FRBD) with twenty treatment combinations which consists of two factors, Factor-1: types of cuttings (male and female) and Factor-2: growth substances (10). By adopting standard methodology, observations on root and shoot growth were recorded and statistically analyzed. Studies on the effects of various growth substances on the formation of roots in cuttings of pointed gourd vines showed that IBA at 150 ppm recorded highest percentage of rooting, the longest root, the number of roots per cutting the number of leaves per cutting, the length of the shoot and the percentage of establishment in main field among various growth substances. In comparison to female cuttings, male cuttings showed a considerably higher percentage of rooting, as well as more roots per cutting, longest root, longest shoot, more leaves per cutting and a higher percentage of establishment in the main field. IBA 150 ppm + male cuttings recorded considerably more roots per cutting and the longest root than the other combinations, according to the interaction between growth substance and type of cutting.
Maneesha et al. (Wed,) studied this question.
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