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Salt-alkali stress causes serious abiotic damage during the growth stage of rice. Photosynthetic characteristics and their related physiological traits affect the growth and development of rice under stressed conditions. In this study, using a recombinant inbred line (RIL) population derived from a cross between Dongnong 425 and Changbai 10 (CB10), quantitative trait loci (QTLs) for seven photosynthetic-related...
The evolution of species is complex and subtle which always associates with the genetic variation and environment adaption during active/passive spread or migration. In crops, this process is usually driven and influenced by human activities such as domestication, cultivation and immigration. One method to discover this process is to analyze the genetic diversity of those crops in different regions...
DEP1 and NRT1.1B genes for improving nitrogen utilization efficiency (NUE) have been widely used in japonica and indica rice (Oryza sativa L.) breeding, respectively. The aim of this study was to determine the effect of the non-allelic recombination of two genes on agronomic traits, grain yield and NUE under japonica and indica genetic backgrounds. One hundred and fifty-one recombinant inbred lines...
The quality and yield of rice are influenced by vascular bundles and highly significant differences about size and number of vascular bundles can be found among rice subspecies. In this study, we divided a series of recombinant inbred lines, which were derived from a cross between the indica variety ‘Luhui 99’ and the japonica variety ‘Shennong 265’ into pre-indica, intermediate and pre-japonica groups...
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