The Asian Journal of Horticulture

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Growth, Yield and Sex-Expression as Influenced by Plant Growth Regulators in Sponge Gourd cv. PUSA CHIKNI


Affiliations
1 Seth D.M. Polytechnic in Horticulture, Model Farm (A.A.U.), Vadodara (Gujarat), India
2 Department of Horticulture, N.M. College of Agriculture, Navsari Agricultural University, Navsari (Gujarat), India
3 Polytechnic in Horticulture, Model Farm (A.A.U.), Vadodara (Gujarat), India
     

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The study on sponge gourd revealed that application of MH 400 ppm at 2-true leaf stage and 4 leaf stages significantly reduced the length of main axis (356.25cm) and increased the fruit girth (15.25cm). The treatment with NAA 200 ppm lowered the node number. The treatment with ethrel 500 ppm increased the length of ovary (6.77cm), length of fruit (26.50cm) and fruit volume (229.75cc) as well as weight of fruit (168.75g). The treatment of ethrel 250 ppm increased the number of branches per vine (13.75) and number of female flowers per vine (44.75) while, reduced the days to first female flower appearance (58.25) and lowered the male: female sex ratio (7.00:1) and increased the number of fruits per vine (25.75), fruit yield per vine (3.97kg) as well as fruit yield per hectare (17.68 t). Finally, it was inferred that ethrel 250 ppm was most effective in improving femaleness and yield of sponge gourd cv. PUSA CHIKNI.


Keywords

Sex Expression, Plant Growth Regulators, Vine, Internodes, Fruit Yield.
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  • Growth, Yield and Sex-Expression as Influenced by Plant Growth Regulators in Sponge Gourd cv. PUSA CHIKNI

Abstract Views: 204  |  PDF Views: 0

Authors

Shailendra V. Mahida
Seth D.M. Polytechnic in Horticulture, Model Farm (A.A.U.), Vadodara (Gujarat), India
R. Z. Valia
Department of Horticulture, N.M. College of Agriculture, Navsari Agricultural University, Navsari (Gujarat), India
H. H. Sitapara
Polytechnic in Horticulture, Model Farm (A.A.U.), Vadodara (Gujarat), India

Abstract


The study on sponge gourd revealed that application of MH 400 ppm at 2-true leaf stage and 4 leaf stages significantly reduced the length of main axis (356.25cm) and increased the fruit girth (15.25cm). The treatment with NAA 200 ppm lowered the node number. The treatment with ethrel 500 ppm increased the length of ovary (6.77cm), length of fruit (26.50cm) and fruit volume (229.75cc) as well as weight of fruit (168.75g). The treatment of ethrel 250 ppm increased the number of branches per vine (13.75) and number of female flowers per vine (44.75) while, reduced the days to first female flower appearance (58.25) and lowered the male: female sex ratio (7.00:1) and increased the number of fruits per vine (25.75), fruit yield per vine (3.97kg) as well as fruit yield per hectare (17.68 t). Finally, it was inferred that ethrel 250 ppm was most effective in improving femaleness and yield of sponge gourd cv. PUSA CHIKNI.


Keywords


Sex Expression, Plant Growth Regulators, Vine, Internodes, Fruit Yield.