Pengaruh Cekaman Kekeringan Terhadap Pertumbuhan Beberapa Varietas Kopi Arabika (Coffea arabica L.) Fase Siap Tanam

Wibowo, Soot Beni (2026) Pengaruh Cekaman Kekeringan Terhadap Pertumbuhan Beberapa Varietas Kopi Arabika (Coffea arabica L.) Fase Siap Tanam. Undergraduate thesis, Politeknik Negeri Jember.

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Abstract

Drought stress is one of the environmental factors that can inhibit the growth of Arabica coffee seedlings by reducing water availability and disrupting the physiological processes of plants. This study aimed to determine the effect of drought stress on the growth of field-ready Arabica coffee seedlings and to identify the variety with better tolerance to water deficit conditions. The study was conducted from February to June 2025 using 8-month-old Arabica coffee seedlings of the Gayo, Komasti, and Yellow Caturra varieties after transplanting. The research employed a pre-test and post-test design on the same plants. Data on plant height increment, leaf number, and new branch number were analyzed using the paired t-test, while fresh weight, dry weight, root length, proline content, and reducing sugar content were used as supporting data. The results showed that drought stress reduced soil water content, soil moisture, electrical conductivity (EC), and the availability of nitrogen, phosphorus, and potassium. Drought stress significantly affected plant height increment in the Gayo and Yellow Caturra varieties and new branch formation in the Gayo and Komasti varieties, but had no significant effect on leaf number. The Indeks Sensitivitas Cekaman (ISC) indicated that the Komasti and Gayo varieties exhibited relatively better drought tolerance than the Yellow Caturra variety

Item Type: Thesis (Undergraduate)
Contributors:
ContributionContributorsNIDN/NIDK
Thesis advisorAsmono, Sepdian LuriNIDN0003098604
Uncontrolled Keywords: bibit kopi arabika, cekaman kekeringan, paired t-test, indeks sensitivitas cekaman (ISC), toleransi kekeringan.
Subjects: 140 - Rumpun Ilmu Tanaman > 150 - Ilmu Pertanian dan Perkebunan > 151 - Ilmu Tanah
140 - Rumpun Ilmu Tanaman > 150 - Ilmu Pertanian dan Perkebunan > 154 - Budidaya Pertanian dan Perkebunan
140 - Rumpun Ilmu Tanaman > 150 - Ilmu Pertanian dan Perkebunan > 155 - Perkebunan
140 - Rumpun Ilmu Tanaman > 160 - Teknologi dalam Ilmu Tanaman > 163 - Teknologi Pertanian
140 - Rumpun Ilmu Tanaman > 160 - Teknologi dalam Ilmu Tanaman > 164 - Mekanisasi Pertanian
140 - Rumpun Ilmu Tanaman > 160 - Teknologi dalam Ilmu Tanaman > 167 - Teknologi Perkebunan
Divisions: Jurusan Produksi Pertanian > Prodi D4 Pengelolaan Perkebunan Kopi > Tugas Akhir
Depositing User: Soot Beni Wibowo
Date Deposited: 13 Aug 2026 05:07
Last Modified: 13 Aug 2026 05:08
URI: https://sipora.polije.ac.id/id/eprint/59668

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