Characterization of a Nagina22 rice mutant for heat tolerance and mapping of yield traits.

ABSTRACT:

Background

Heat is one of the major factors that considerably limit rice production. Nagina 22 (N22) is a deep-rooted, drought and heat tolerant aus rice cultivar. This study reports the characterization of a previously isolated dark green leaf mutant N22-H-dgl219 (NH219) which showed reduced accumulation of reactive oxygen species in leaf under 40°C heat conditions.The mutant was characterized for several traits in field under ambient (38°C) and heat stress (44°C) conditions by raising temperature artificially from flowering stage till maturity by covering plants with polythene sheets during dry season 2011. Yield traits were mapped in 70 F2 segregants of IR64 × NH219 and 36 F2 segregants of its reciprocal cross.

Results

Leaf proteome analysis using two-dimensional gel elec

SUBMITTER: Poli Y 

PROVIDER: S-EPMC4883711 | biostudies-literature | 2013 Dec

REPOSITORIES: biostudies-literature