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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Gretty Febriola Siahaan
Program Studi Agronomi dan Hortikultura, Sekolah Pascasarjana, Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Perbedaan Respon Pertumbuhan, Fisiologi dan Produksi 20 Genotipe Cabai Rawit terhadap Berbagai Tingkat Naungan Gretty Febriola Siahaan; Muhamad Achmad Chozin; Muhamad Syukur; Arya Widura Ritonga
Indonesian Journal of Agronomy Vol. 50 No. 1 (2022): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (410.825 KB) | DOI: 10.24831/jai.v50i1.38832

Abstract

The main limiting factor affecting chili production is low light stress. Until recently, there have not been many reports of superior varieties of chili tolerant to low light. The aim of this study was to understand the difference of growth, physiology, and production responses of 20 chili genotypes under shading conditions. This study was conducted at Cikabayan Experimental Station of IPB University from October 2020 to April 2021. The experiment was arranged in a randomized complete block design. The shade factor consisted of four levels, namely 0, 25, 50, and 75%. The chili genotype response to 50% shade showed greater diversity compared to other shade levels. Based on genotype grouping, C. frutescens species had more shade-loving genotypes than C. annuum species. Fifty-percent shade increased plant height, number of leaves, and leaf area in all genotype groups. The shade-loving genotype group had the highest increase in morphological characters. The number of fruits per plant, weight per fruit, and total fruit weight per plant significantly decreased in the shade sensitive and moderate genotype groups. These three variables were significantly higher in shaded conditions than without shade in shade-loving genotype group. Keywords: agroforestry, light, photosynthesis, pigment
Co-Authors M A Chozin Muhamad Syukur Ritonga, Arya Widura