Aplikasi Konsentrasi Dan Lama Perendaman Larutan Giberellin (GA3) Terhadap Perkecambahan Dan Pertumbuhan Awal Kopi Arabika Lini S 795 (Coffea arabica L.), Samsul Mu’arif, NIM A41180030, Tahun 2019, 75 hlm, Produksi Pertanian, Politeknik Negeri Jember, Dosen Pembimbing Ir. Sri Rahayu, MP.

Mu'arif, Samsul (2019) Aplikasi Konsentrasi Dan Lama Perendaman Larutan Giberellin (GA3) Terhadap Perkecambahan Dan Pertumbuhan Awal Kopi Arabika Lini S 795 (Coffea arabica L.), Samsul Mu’arif, NIM A41180030, Tahun 2019, 75 hlm, Produksi Pertanian, Politeknik Negeri Jember, Dosen Pembimbing Ir. Sri Rahayu, MP. Undergraduate thesis, Politeknik Negeri Jember.

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Abstract

This research aims to difermine the proper concentrtion and soaking duration of GA3 to thegermination and early growth of arabica coffee Line S795. This research was conducted in January - May 2019 at Seed Technoligy Laboratory, State Polytechnic of Jember. The study was arranged used Factorial Randomized Complete Block Design (RCBD) consisting of 2 factors, the first factor consisted of 3 levels and the second factor consisted of 4 levels repeated 3 times. The first factor was the concentration of Giberellin solution consisting of control (K0), 100 mg/L (K1), 150 mg/L (K2), and 200 mg/L (K3). The second factor wasthe soaking duration of Giberellin solution which consists of 12 hours (W1), 18 hours (W2), and 24 hours (W3). The results of the reaserch was analys using ANOVA and followed by DMRT 5% or BNT 5%. From the test results shows the treatment of Giberellin (GA3) 150 mg/L is very significant on perameter germination power 75%, growth speed 5.56%/etmal, simultaneity growth 71.67%, plant height (30 HST 2.80cm and 120 HST 12.19cm), weight of stover (wet 2.72gr and dry 0.43gr). The treatment of the soaking of the Giberellin solution 150 mg / L (K2) is a significant on the germination power parameters of 89.17%. The interaction between concentration treatment and the immersion time of the Giberellin K1W1 to K3W3 solution is significant on the germination power parameter of 100%

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