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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Pertanian Indonesia AGRIVITA, Journal of Agricultural Science Jurnal Penelitian Pertanian Tanaman Pangan
Indrastuti Apri Rumanti
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Journal : AGRIVITA, Journal of Agricultural Science

 1 
YIELD STABILITY OF NEW HYBRID RICE ACROSS LOCATIONS Satoto, Satoto; Rumanti, Indrastuti Apri; Widyastuti, Yuni
AGRIVITA, Journal of Agricultural Science Vol 38, No 1 (2016): FEBRUARY
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v38i1.675

Abstract

The adaptation of hybrid rice varieties mostly are in specific location and season, but there are some of the varieties have a wide adaptation then adopted by the farmer in the large area. Replicated yield trials were conducted to study the stability of hybrid rice yield and identify the best location to optimize their yield per ha. We have conducted the trials in three location such as Sukamandi, Salatiga and Malang during two seasons in 2011. We are analyzing data across location and season  using AMMI and Eberhart Russel methods. The AMMI analysis showed that the  IR79156A/PK88 was adaptable to favorable environments but unstable. This hybrid is always performing well and produce the higher yield compare to check variety. Some of other hybrids  were good only in specific location, i.e. IR62829A/BP2280-1E-12-22 and IR58029A/BP2 280-1E-12-22. Those hybrids produced higher yield in Salatiga and Malang, respectively. Seem to AMMI analysis, the result of Eberhart and Russells method also showed that IR79156A/PK81  was the best hybrid with regression slope (b) around 1 with the yield average higher than average of all hybrids. It indicated that this hybrid has a wide adaptation and probably can be cultivated in the wider ecosystem.
Co-Authors , Satoto . Satoto Bambang Sapta Purwoko Bayu Pramono Wibowo Handoko, Dody D Nita Kartina Nugraha, Yudhistira Nurul Khumaida Priatna Sasmita Rahmini Rahmini, Rahmini Rina Hapsari Wening Rosa, Celvia Satoto Satoto Trias Sitaresmi Willy Bayuardi Suwarno Yuni Widyastuti Yuni Widyastuti Yuniati Pieter Munarso