Interaction between genetic and environment effects were very important for the selection and production management programs of the black indigenous upland rice. The objectives of this study were to evaluate the effect of interaction between genetic and environment on grain yield and to investigate stability of these black upland rice varieties. Seven genotypes of Thai black indigenous upland rice were evaluated in 8 upland field environments (Jun-Oct) during 2010-2011 at 1) Khon Kaen University (2 yrs) 2) Ban Had district, Khon Kaen (2 yrs) 3) Phurua district, Loei 4) Dansai district, Loei and 5) Phangmapha district, Mae Hong Son (2 yrs) locate in the Northern and Northeastern of Thailand. Randomized complete block design with four replications were laid... |