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All Journal Agrosains: Jurnal Penelitian Agronomi Caraka Tani: Journal of Sustainable Agriculture
Sutarno Sutarno
Department of Biology, Faculty of Mathematics and Science, Universitas Sebelas Maret, Surakarta
Agriculture, Biological Sciences & Forestry

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Study of Black Rice Parents Performance and the Crossing Ability Nandariyah Nandariyah; Sukaya Sukaya; Djoko Purnomo; Sutarno Sutarno; Endang Yuniastuti; Catalina Dara Ayu Az-Zahra
Caraka Tani: Journal of Sustainable Agriculture Vol 38, No 1 (2023): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v38i1.60245

Abstract

Black rice generally has problems in cultivation such as relatively long plant life, high habitus and low productivity. Plant breeders use several methods in hybridization activities, such as backcross method that can lead to the development towards emphasizing the superiority of each parent. This research aimed to study and determined the success rate of the black rice lines F1 backcross and the parents’ performance. This research was conducted using F1 of promising lines, parental lines and the Jeliteng variety with 9 sets of crosses. Each line and variety were repeated 3 times, in total there were 57 experimental units. The observation parameters of this research were plant height, crossing success, weight of seeds, length and width of grain, flowering age, harvesting age also number of grains and unfilled spikelet. The results of this study showed that parents plant height was positively correlated with the number of productive tillers. The taller the plant, the more productive tillers and the more flowers can be crossed. The success of the cross can increase with the number of flowers crossed. The success of crosses between F1 black rice promising lines and their parents has a success rate range of 10.82% to 33.75%. The findings imply that F1 crossbreeding of black rice promising lines with their parents can be carried out to produce backcross offspring.
Karakterisasi Morfologi Galur Harapan M0 dan M3 Padi Hitam Hasil Iradiasi Sinar Gamma Nandariyah Nandariyah; Suci Prastyaningrum; Ida Rumia Manurung; Sutarno Sutarno; Riyatun Riyatun
Agrosains : Jurnal Penelitian Agronomi Vol 25, No 2 (2023): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v25i2.90640

Abstract

Cempo Ireng is a black rice from Sleman that has a long harvesting period, high posture, and low productivity. Efforts to overcome these problems are mutation induction with gamma irradiation and have produced potential lines (8, 51, and 52) with early maturing, plant height 140,26 cm, and productivity 4,71 tons/ha, but not yet resistant to brown planthopper (BPH). This research is a follow-up study of 200 Gy gamma irradiation treatment of three potential lines to improve BPH resistance traits and increase genetic diversity. This study aims to determine changes in morphological characteristics and obtain superior individuals. The research was conducted in paddy field of Pakahan Village, Jogonalan District, Klaten Regency in February - July 2022 using 8:1 jajar legowo system. Observations of 25 morphological characters were carried out on 30 plants of each lines and were based on the Rice Plant Characterization and Evaluation (2003). Data analyzed by descriptively and qualitatively using Chi Square test with table value at 5% significance. The results showed there were changes in 17 morphological characters in the M3 population of black rice from gamma irradiation and individual selection resulted in 12 mutant plants.
Co-Authors Catalina Dara Ayu Az-Zahra Djoko Purnomo Endang Yuniastuti Ida Rumia Manurung Nandariyah Nandariyah Nandariyah Nandariyah Riyatun Riyatun Suci Prastyaningrum Sukaya Sukaya