Pengaruh Umur Pemangkasan Pucuk Dan Konsentrasi Ga3 Terhadap Produksi Dan Mutu Benih Mentimun Pmske 0405 (Cucumis Sativus L.)

Syafitri, Sintya Bunga (2022) Pengaruh Umur Pemangkasan Pucuk Dan Konsentrasi Ga3 Terhadap Produksi Dan Mutu Benih Mentimun Pmske 0405 (Cucumis Sativus L.). Diploma thesis, Politeknik Negeri Jember.

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Abstract

Improved seed quality can lead to high cucumber productivity. Through shoot pruning techniques combine with the application of gibberellins on cucumber plants, it is expected to improve seed quality. This study aimed to determine the effect of shoot pruning age and GA3 concentration regulation on fruit yield and seed quality of cucumber (Cucumis sativus L.). This research was carried out for 4 months from November 2021 to Ferbuary 2022. The entire series of research was carried out in Gebang Village, Tenggarang District, Bondowoso Regency. The research used a factorial Randomized Complete Block Design (RCBD) which consisted of 2 factors, namely shoot pruning and gibberellin consentration with 16 treatment combinations and 13 replications. The shoot pruning factor consisted of 4 levels, namely, without pruning, 14 days after planting, 21 days after planting and 28 days after planting.Meanwhile,the concentration of gibberellins consisted of without gibberelin, 75 ppm/liter, 150 ppm/liter and 225 ppm/liter.the data were analyzed using the F test (ANOVA) and contiued with the DMRT test with and error rate 5%. The results showed that the pruning age and GA3 concentration gave the significant effect for almost all parameters. The interaction between pruning age 28 days after planting and GA3 concentration 75 ppm/liter has significant effect on the parameter of wight of 1000 grains 29.90 gram. Key words : cucumber, pruning and gibberellins

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