PERFORMANCE OF PROMISING HYBRID RICE IN TWO DIFFERENT ELEVATIONS OF IRRIGATED LOWLAND IN INDONESIA
ABSTRACT: The hybrid rice
program has been established since early 1990’s at the Indonesia Center for
Rice Research (ICRR). Twenty-four experimental hybrid rice varieties which have
been developed were tested in lowland rice fields in Sukamandi (West Java) and
Batang (Central Java) during the dry season and the rainy season of 2012.
Randomized complete block design (RCBD) with three replications was used in
each location. The results showed that grains yields were affected by
locations, seasons, and genotypes. The genotypes x locations x seasons
interaction effect was significant; therefore, the best hybrid was different
for each location and season. A7/PK36 hybrid has the best performance in Batang
during the dry season, while A7/PK40 and A7/PK32 are the best hybrids in the
rainy season. In Sukamandi, nine hybrids were identified as better yielder than
that of the check cultivar in the dry season, but not so in the rainy season.
Using the correlation and path analysis, we found that the number of panicles
per hill and the number of filled grains per panicle could be used as selection
criteria for yield in hybrid rice.
Author: Yuni Widyastuti,
Satoto Satoto, I.A. Rumanti
Journal Code: jppertaniangg150030
Artikel Terkait :
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