Adaptation test for upland rice genotypes in Balunijuk village rice fields with ultisol type

Dr. Eries Dyah Mustikarini, SP., M.Si., - and Gigih Ibnu Prayoga, S.P., M.P., - and Dr. Ratna Santi, S.P., M.Si., - and K. Wardani, - (2022) Adaptation test for upland rice genotypes in Balunijuk village rice fields with ultisol type. IOP Conference Series: Earth and Environmental Science, 1108. ISSN 1755-1315

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Abstract

Innovation to produce upland rice superior varieties is by developing local upland rice varieties with high yield and lodging resistance. Upland rice varieties also must have high adaptability in suboptimal land. This research aims to identify and determine the upland rice line F8 that is tolerant to lodging with high yielding potential.The research was carried out from September 2021 to January 2022 in Balunijuk Village Rice Fields, Bangka Regency. This research was conducted using an experimental method. The design used was a Randomized Block Design (RBD). The treatments consisted of 5 F8 lines and 5 comparison varieties. Data analysis used ANOVA followed by Duncan Multiple Range Test (DMRT). The results showed that generally upland rice genotypes were not able to adapt to inundation conditions, low pH, and Fe stress. Genotypes that were able to adapt were PBM UBB 1 (red rice), Danau Gaung and 21B-57-21-21-23 line (white rice), with the lodging index of 0% for these three genotypes, and a Fe toxicity scale with a value of sensitive. The genotype with the lowest yield was Inpago 8 and 23F-04-10-18-18 line. Genotypes with leaf length, number of grain per panicle, number and weight of pithy seeds per plant height increased seed yield/plot.

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