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石春海, X. Zheng Æ J. G. Wu Æ X. Y. Lou Æ H. M. Xu Æ C. H. Shi
Theor Appl Genet (2008) 116: 335-342,-0001,():
-1年11月30日
Investigations to identify quantitative trait loci (QTLs) governing cooking quality traits including amylose content, gel consistency and elatinization temperature (expressed by the alkali spread value) were conducted using a set of 241 RIL populations derived from an elite hybrid cross of "Zhenshan 97" 9 "Minghui 63" and their reciprocal backcrosses BC1F1 and BC2F1 populations in two environments. QTLs and QTL 9 environment interactions were analyzed by using the genetic model with endosperm and maternal effects and environmental interaction effects on quantitative traits of seed in cereal crops. The results suggested that a total of seven QTLs were associated with cooking quality of rice, which were subsequently mapped to chromosomes 1, 4 and 6. Six of these QTLs were also found to have environmental interaction effects.
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石春海, S. L. JIANG, † J. G. WU, † Y. FENG, ‡ X. E. YANG, ‡ AND C. H. SHI*, †
J. Agric. Food Chem. 2007, 55, 9608-9613,-0001,():
-1年11月30日
The relationships among potassium (K), calcium (Ca), sodium (Na), magnesium (Mg), iron (Fe), zinc (Zn), copper (Cu), and manganese (Mn) contents in milled rice (Oryza stavia L.) of 274 genotypes and the relationships between these mineral element contents and other rice quality traits including 3 cooking quality traits, 17 amino acid contents, and protein content were investigated. The results showed that there were significant correlations among most of mineral element contents. Mg, Fe, and Mn contents were significantly correlated with most of the other mineral element contents, while Cu content had significantly negative associations with the K and Mg contents of rice. The relationships between mineral element contents and cooking quality traits showed that gel consistency (GC) was significantly correlated with K, Cu, and Mn contents of rice. Amylose content (AC) was significantly associated with K, Na, Mg, Cu, and Mn contents. The alkali spreading value (ASV) had closely positive relationships with Ca, Mg, and Mn contents. In addition, 8 mineral element contents had obvious correlations with different amino acid contents. Mg, Ca, and Zn contents were significantly correlated with most of the 17 amino acid contents, but Na content did not correlate with amino acid contents except aspartic acid of rice. Furthermore, significant associations were found between protein content and Na, Mg, Zn, Cu, or Mn content. Six principal components were extracted to explain 84.50% of the total variances and contained the information provided by the original 29 variables according to the principal component analysis.
Milled rice, mineral element, grain quality, correlation, principal component analysis
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石春海, C.H. Shi, * J.G. Wu, and P. Wu
genesis 33: 185-190(2002),-0001,():
-1年11月30日
The dynamic changes of genetic effects, including main effects, and genotype
rice, Oryza sativa L., , filling stages, brown rice thickness, unconditional genetic variance, conditional genetic variance
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石春海, 叶俊, 吴建国, 杜婧, 郑希, 张志, 石春海*
作物学报,2006,32(10):1525~1529,-0001,():
-1年11月30日
利用7射线和EMs溶液诱变处理籼稻“93lJ”种子,经过M:筛选和M,重复鉴定,分别获得465份和210份(共675份)叶、茎、穗和根等性状变异的突变体,突变频率为5.62%。7射线诱变群体的变异范围要大于EMs诱变群体,突变频率也较高,但紫色叶鞘和叶片类病斑等少数突变类型只在EMS诱变群体中出现。新构建的突变体库将有助于进一步开展水稻功能基因的研究。
水稻, 诱变, r射线, EMs(, 甲基磺酸乙酯), , 突变体
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石春海, Chunhai Shi*, Jun Zhu, Jianguo Wu, Longjiang Fan
Field Crops Research 68(2000)191-198,-0001,():
-1年11月30日
A seed genetic model with embryo, endosperm, cytoplasmic and maternal effects and genotype
Indica rice, Rice grain shape traits, Genetic variances, Seed embryo effect, Heritability
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