Pengaruh Dosis Plant Growth Promoting Rhizobacteria Pseudomonas Cepaceae dan Ampas teh (Camellia Sinensis L.) terhadap pertumbuhan Benih kopi Arabika (Coffea arabica L.) Varietas Sigarar utang

Mulanda, Yura (2019) Pengaruh Dosis Plant Growth Promoting Rhizobacteria Pseudomonas Cepaceae dan Ampas teh (Camellia Sinensis L.) terhadap pertumbuhan Benih kopi Arabika (Coffea arabica L.) Varietas Sigarar utang. Diploma thesis, UIN Sunan Gunung Djati Bandung.

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Abstract

INDONESIA : Kopi Arabika di Indonesia masih terbatas hal ini diantaranya karena penggunaan benih tidak bersertifikat dan penanaman < 800 mdpl kopi Arabika rentan terhadap serangan penyakit karat daun (Hemileia vastatrix). Mengatasi hal tersebut maka perlu dihadirkan benih kopi yang berkualitas salah satunya dengan menggunakan rizobakteri dan bahan organik berupa ampas teh. Penelitian ini bertujuan untuk mengetahui pengaruh dan dosis terbaik dari Plant Growth Promoting Rhizobacteria (PGPR) Pseudomonas cepaceae dan ampas teh terhadap pertumbuhan benih kopi Arabika. Penelitian ini dilaksanakan pada bulan Juli-Oktober 2018 di Balai Pengembangan Benih Tanaman Perkebunan (BPBTP) Jalan Arcamanik 106, Sindanglaya, Bandung menggunakan Rancangan Acak Lengkap (RAL) faktorial 2 faktor dengan 3 kali ulangan. Faktor pertama dosis PGPR (p1) 0 ml polybag-1, (p2) 5 ml polybag-1, (p3) 10 ml polybag-1, dan (p4) 15 ml polybag-1. Faktor kedua dosis ampas teh (a1) 0 g polybag-1, (a2) 60 g polybag-1, (a3) 120 g polybag-1, dan (a4) 180 g polybag-1. Hasil penelitian menunjukan tidak ada interaksi antara Plant Growth Promoting Rhizobacteria dan ampas teh, secara mandiri dosis PGPR 5 ml polybag-1 berpengaruh pada parameter berat basah akar dan dosis ampas teh 180 g polybag-1 pada parameter tinggi tanaman. ENGLISH: Arabica coffee's number in Indonesia are limited due to the high application of uncertified seeds and the issue of planting the seed under 800m below sea level altitude can cause the plant to be vulnerable to leaf rust disease (Hemileia vastarix). To overcome those issues, the availability of high quality coffee seed is needed and one of few methods to produce it is by using rhizobacteria and organic material such as tea dregs. The aim of this research is to discover the effect and the best dose from Plant Growth Promoting Rhizobacteria (PGPR) Pseudomonas cepaceae and tea dregs upon the growth of Arabica coffee’s seed. This research was conducted on July to October 2018 in Balai Pengembangan Benih Tanaman Perkebunan (BPBTP), Arcamanik street 106th, Sindanglaya, Bandung using Completely Randomize Design factorial 2 factor with 3 times replication. The first factor is PGPR (p1) 0 ml polybag-1, (p2) 5 ml polybag-1, (p3) 10 ml polybag-1, and (p4) 15 ml polybag-1. The second factor is tea dregs dose (a1) 0 g polybag-1, (a2) 60 g polybag-1, (a3) 120 g polybag-1, dan (a4) 180 g polybag-1. The result showed that there was no interaction between Plant Growth Promoting Rhizobacteria and tea dregs, but there’s significantly affected of PGPR dose 5 ml polybag-1 of wet weight of roots and tea dregs dose 180 g polybag-1 of plant height.

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