Keragaman Genetik dan Heritabilitas Karakter Agronomi Galur F4 Padi Beras

Setyorini Widyayanti, Panjisakti Basunanda, Suyadi Mitrowihardjo, Kristamtini Kristamtini

Abstract


The F4 black rice lines and their two parents’ varieties were evaluated for their agronomic character heritability and genetic variability, at Sleman,
Yogyakarta, from May until September 2016. The objective of this study was to determine genetic diversity, heritability estimates and genetic advance. The
genetic materials used in this study consisted of 48 lines of F4 along with their parents, namely local black rice and Situ Bagendit varieties. The
experiment was arranged in a complete randomized designed with two replications. Seeds of each F4 lines and their parents were planted in 1 m × 2 m plot,
with 20 cm × 20 cm plant spacing. Estimated genetic parameters were calculated for heritability and genetic advance. Plant population in each plot was 40
plants. Results showed that there were 11 lines had an early days to maturity, 21 F4 lines had a moderate plant height (70 to 93 cm), 13 lines had a high
number of tillers per hill (12 to 17), 9 F4 lines had a high number of filled grains per panicle (> 80% filled grains), and 7 F4 lines had a high 1000-grain
weight. Days to flowering, days to maturing, and pericarb color had the highest heritability estimate, followed by plant height. Plant height and pericarb
color had the highest potential genetic advances, namely 21.7% and 49.2%, respectively. There was a good possibility to select for more desirable traits of
plant height and pericarb color.


Keywords


Black rice; genetic variability; heritability; F4 progenies

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DOI: http://dx.doi.org/10.21082/jpptp.v1n3.2017.p191-199

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P-ISSN: 2541-5166
E-ISSN: 2541-5174
Terakreditasi No.646/AU3/P2MI-LIPI/2015 oleh Lembaga Ilmu Pengetahuan Indonesia


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