Pengaruh Konsentrasi Dan Lama Perendaman Ekstrak Nanas Terhadap Pematahan Dormansi Benih Semangka Seedless (Citrullus Lanatus L.)

Afifah, Zaki (2024) Pengaruh Konsentrasi Dan Lama Perendaman Ekstrak Nanas Terhadap Pematahan Dormansi Benih Semangka Seedless (Citrullus Lanatus L.). Diploma thesis, Politeknik Negeri Jember.

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Abstract

Seedless watermelon seeds have physical dormancy problems. New alternatives are needed to overcome problems other than cracking. Efforts that can be made are the use of pineapple extract which can help the softening process. This research aims to determine the benefits of the bromelain enzyme from pineapple extract to break down the skin protein of seedless watermelon seeds, and determine the interaction between pineapple extract concentration and soaking time on breaking seed dormancy. The research was carried out from August to November 2023 at the PT Laboratory. East West Seed Indonesia (EWINDO), Jl. Basuki Rachmad No. 019, Muktisari Village, District. Tegal Besar, Kab. Jember. The experimental design used was a Factorial Completely Randomized Design (CRD) which was repeated 3 times. The first factor is the concentration of pineapple extract which consists of 25% (K1), 50% (K2), 75% (K3). The second factor is the soaking time which consists of 5 minutes (P1), 10 minutes (P2) and 15 minutes (P3). Data were analyzed using ANOVA, and continued with the DMRT test at 1% and 5% level. The research results show that the treatment factors have a real influence on their own. Concentration had a real influence on germination capacity with a value of 67.22%, RE (55.78%), KcT (12.00%), KsT (61.33%), PTM (74.85%), and vigor index (53.56%). Soaking time had a real influence on germination capacity with a value of 62.22%, RE (51.11%), KcT (11.59%), KsT (59.33%), PTM (71.56%), and vigor index. (51.33%). Meanwhile, the interaction of the two factors has a significantly different influence on RE with a value of 70.67%.

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