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Stability in protein and amylose contents of rice cultivars and relationships between genotype-environment interaction and climate factors.

HUANG Yuan-cai1; JIA Yan2; LIU Jiang1; JIANG Xiu-ying3; SHEN Feng3; LI Xiu-fen1   

  1. 1College of Agronomy, Shenyang University, Shenyang 110161, China;2Shenyang Artillery Academy, Shenyang 110162, China;3 Liaoning Rice Research Institute, Shenyang 110101, China
  • Received:2008-01-09 Revised:1900-01-01 Online:2008-11-10 Published:2008-11-10

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Abstract: Based on AMMI model, the stability in protein and amylose contents of 25 rice cultivars in Liaoning Province was analyzed, with the relationships between genotype-environment (G×E) interaction and climate factors as well as the eco-climatic adaptability of the rice cultivars discussed. The results showed that the cultivars V3 (Liaojing 294), V15 (Shennong 9810) and V11 (0157) had higher stability in protein content, while V2 (Liaonong 49), V13 (Shennong 693) and V1 (Xian S38) had higher stability in amylose content. Temperature and sunlight were the main climatic factors affecting G×E interaction. For protein content, V12 (Huajing 49) and V9 (Shennong 9819) performed significant adaptability to relatively low temperature and scant sunlight; while for amylose content, V20 (Xing 3), V21 (Dongya 03-51) and V6 (Maoyang 1) had specific adaptability to low temperature and scant sunlight, low temperature and more sunlight, and high temperature and more sunlight, respectively.

Key words: Ca sensitivity, Tomato seedlings, Root activity, Chlorophyll a/b, Reactive oxygen-scavenging enzymes