Response of Total Number of Tillers, Plant Height, and Dry Straw Weight of Jangguik rice Genotypes (Oryza sativa) With Gamma Ray Irradiation Treatment

Wahyudi; Elfi Indrawanis

doi:10.36378/juatika.v7i1.4126

Wahyudi Universitas Islam Kuantan Singingi
Elfi Indrawanis Universitas Islam Kuantan Singingi

DOI: https://doi.org/10.36378/juatika.v7i1.4126

Keywords: Dry Straw Weight, Gamma, Plant Height, Rice, Total Tillers

Abstract

The limited number of tillers and the height of the plant stem result in a lighter straw weight per clump, which diminishes farmers' interest in cultivating the Jangguik rice genotype. Jangguik rice may face extinction in a few years if this trend continues. This study aimed to determine the response of the total number of tillers, plant height, and dry straw weight of Jangguik rice genotypes to gamma-ray irradiation treatment. Field research was conducted in Koto Kari Village, Kuantan Tengah District, Kuantan Senggigi Regency, located at coordinates 0 0 00-1 0 00 LS 101 0 02 – 101 0 55 BT with a temperature range of 23.0 – 33.0 °C, air humidity of 60 – 98%, and an altitude of 300 meters above sea level. Gamma irradiation services were conducted on Babarsari St. at the Deputy for Research and Innovation Infrastructure, Yogyakarta Radiation Laboratory, Depok Sleman, Yogyakarta. The research was conducted over seven months, from June to December 2024. This experiment employed a one-factor Randomized Block Design (RAK) experimental method. It consisted of three treatments, each repeated five times, resulting in 15 experimental plots. The treatments included doses of 0 Gy, 100 Gy, and 200 Gy. The study's results were statistically analyzed using an ANOVA table; if the calculated F-value exceeded the F-table value at the 5% significance level, further analysis was conducted using the Honest Significant Difference (HSD) test. Based on the research findings, it can be concluded that gamma-ray irradiation treatment significantly affected plant height, which measured 110.66 cm but did not influence the total number of tillers or the dry weight of straw.

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