The results showed that the meiosis of the quardrispecific hybrid F1 was abnormal, and some of the chromosomes were lost in most PMC.
用(亚洲棉×草棉)F1进行染色体加倍,再与(陆地棉×海岛棉)F1进行杂交,产生亚洲棉、草棉、陆地棉和海岛棉四元杂种。
bickii)] and its reciprocal cross,as well as their backcross progenies, of the quardrispecific hybrid with A, D, G genomes were studied.
对棉属 A、D、G三个染色体组合成的三元杂种 [陆地棉× (亚洲棉×比克氏棉 ) ]及反交和回交后代 ,四元杂种 [(亚洲棉×比克氏棉 )× (陆地棉×夏威夷棉 ) ]进行了细胞学研究。
Tetrageneric hybrids involving Triticum,Agropyron,Haynaldia and Secale were produced by using embryo culture.
通过胚培养产生了小麦－偃麦草－簇毛麦－黑麦四属杂种。
Report on breeding of summer autumn tetra hybrid variety Xin·Feng×Qin·Yun and its rearing performance.;
夏秋用蚕四元杂交种“新丰×青云”的选配和试养
In the works of the four fathers of Tongcheng School, there is a clear tendency of reception of "Records of The Historians", therefore, this paper employs some thoughts of Reception Theory to make.
鉴于桐城四祖文集中处处表现出了接受《史记》的倾向，所以笔者想借用接受美学的有关理论对桐城四祖与《史记》作较为深入、细致的分析。