水稻类病斑早衰突变体lmps1的表型鉴定与基因定位

夏赛赛,崔玉,李凤菲,谭佳,谢园华,桑贤春,凌英华

Phenotypic characterizing and gene mapping of a lesion mimic and premature senescence 1 (lmps1) mutant in rice (Oryza sativa L.)

Sai-Sai XIA,Yu CUI,Feng-Fei LI,Jia TAN,Yuan-Hua XIE,Xian-Chun SANG,Ying-Hua LING

表1 野生型与突变体lmps1之间的表型差异

Table 1 Phenotypic difference between the wild type and the lmps1 mutant

性状 Trait 野生型 Wild type 突变体 lmps1 lmps1较WT减少率 Reduction in lmps1 than in WT (%) 株高 Plant height (cm) 108.50±2.29 93.00±2.00** 14.3 穗长 Panicle length (cm) 26.15±0.55 19.80±1.03** 24.3 有效穗数 Effective panicle 9.62±1.31 7.00±1.07** 27.2 每穗总粒数 Grain number per panicle 161.34±6.78 148.42±13.40* 8.0 每穗实粒数 Filled grain number per panicle 133.48±6.36 66.27±7.66** 50.0 结实率 Seed setting rate (%) 82.75±2.51 44.97±5.95** 45.7 千粒重 1000-grain weight (g) 25.74±0.44 22.01±0.43** 14.5