EFFECT OF PLANT GROWTH REGULATORS AND CHEMICAL ON THE GROWTH, SEX BEHAVIOUR, YIELD AND QUALITY OF WATERMELON (Citrllus lanatus (Thunbs.) Mansf.) CV. ''ARKA MANIK
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Date
1997
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AAU, Anand
Abstract
An investigation was carried out at the Horticulture Research Farm, Gujarat Agricultural University, Anand Campus, Anand during the year 1997, to assess the response of various plant growth regulators (TIBA at 50, 100, 200 and 400 ppm; CCC at 100, 200, 400 and 800 ppm) and chemical (AgNO3 at 50,100, 200 and 400 ppm) on growth, sex behaviour, yield and quality of watermelon cv. Arka Manik. This study revealed that application of CCC 800 ppm at 2 true leaf stage and 4 leaf stage significantly reduced the length of main axis and number of male flowers. AgNO3 400 ppm lowered the niunber of node and days to first male and female flower appearance. AgNO3 200 ppm increased the number of branches per vine and number of female flowers and lowered the male:female sex ratio and stem length and increased the number of fruits per vine and yield per hectare foUowed by TIBA 200 ppm. Fruit weight, length and girth of fruit increased in control treatment CCC 400 ppm significantly produced the highest T.S.S and total sugar. From the results of the investigation, it could be inferred that AgNO3 200 ppm was most effective in improving femaleness and yield, and also reduced the growth of watermelon cv. Arka Manik followed by TIBA 20O ppm.
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HORTICULTURE, AGRICULTURE, A STUDY