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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Ayub Darmanto
PT. Primasid Andalan Utama, Jl. Boulevard Barat Kelapa Gading Jakarta Utara, INDONESIA
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Agronomic traits of rice hybrids (Oryza sativa L.) derived from new plant type and male sterile parents Desi Anugra Safitri; Willy Bayuardi Suwarno; Ayub Darmanto; Hajrial Aswidinnoor
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 2 (2023): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
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 | DOI: 10.24831/ija.v51i2.45759

Abstract

Hybrid rice is derived from a cross between the cytoplasmic male sterile (CMS) as the female parent and the restorer line as the male parent. This study aimed to evaluate the ability of several new plant type (NPT) rice lines as restorers of the CMS female parent and to elucidate the performance of the hybrid combinations. The research was carried out from December 2019 to November 2020 at Babakan Sawah Baru Experimental Station, Department of Agronomy and Horticulture, IPB University, Bogor, Indonesia. The hybrids were evaluated in the field together with the CMS female parent, male parents, and two check varieties, namely Ciherang and hybrid P05 Prima Seed. The experimental design used was a randomized complete block design (RCBD) with two replications. The results showed that two male parental lines, IPB189-F-10-3-2 (T6) and IPB189-14-1-1 (T9), had a hybrid seed yield per hill of 66.04 g and 75.27 g, respectively. These two parents have the restorer gene (R) which is substantiated by the good characteristics of the number of filled grains and total grain per panicle of the two hybrids. The potential hybrids CMS x IPB189-F-10-3-2 and CMS x IPB189-14-1-1 had a positive heterosis for panicle length and 1,000 grain weight, and could be evaluated in future research. Keywords: CMS; heterosis; heterobeltiosis; rice hybrid
Co-Authors Desi Anugra Safitri HAJRIAL ASWIDINNOOR Willy Bayuardi Suwarno