在陆地棉小孢子发生过程中，相邻的减数分裂细胞壁中的细胞质通道是一个明显的特征。
The cytoplasmic channel in the wall of adjacent meiocytes was an obvious feature during microsporogenesis in Gossypium hirsutum.
这些新的品系和种质材料丰富了陆地棉的遗传基础。
These new germplasm materials all were the very valuable materials in the cotton breeding.
本实验未检测到陆地棉黄萎病抗性的显著加性效应。
And additive effect of Verticillium wilts was not significant in this experiment.
研究了陆地棉主要性状对混选—混交育种体系的响应。
Responses of main characters of upland cotton to mass selection-mass crossing breeding system were studied.
前者只侵染海岛棉；后者对陆地棉、海岛棉均能为害。
The former infectsG. badense only, but the latter infects both G. hirsutum and G. badense.
陆地棉品种间纤维品质差异原因各不相同，强度提高可多途径解决。
The fiber quality between varieties was different. Fiber strength could be increased in a lot of ways.
结果表明，这些陆地棉品系对不同病虫害的抗性相互之间存在高度正相关。
The results suggested that a highly positive correlation existed among resistibility of cotton to different diseases and insects.
从区域来看，长江棉区的陆地棉品种间平均共祖度最高，达0.4407；
The average value for upland cotton varieties in CCR exhibited the highest, amounting to 0.4407;
利用这种保持系繁殖的新不育系M_A，仍具备隐性核不育的特点，所有陆地棉和海岛棉品种均是其恢复系。
The new sterile line M_A bred with the maintainer line still has the character of recessive nuclear sterility and both G. hirsutum and G. barbadense varieties are its restorers.
研究了人工授粉条件下6个遗传背景差异较大、纯合度高的陆地棉亲本的异交亲合力及杂交铃主要性状差异。
With 6 different genetic background and high pure upland cotton lines as female parents, the variation of allogamous affinity and main traits of hybrid boll were analyzed under assisted pollination.
利用单相关、偏相关和通径分析等多种相关分析方法，研究了纺高支纱陆地棉主要产量、品质性状间的相关关系。
The correlation among main yield and fiber traits of upland cotton with high fiber quality was investigated by using correlation and path analysis methods.
研究陆地棉抗黄萎病的遗传特性以及深入了解陆地棉与黄萎病菌互作后的基因表达差异，可为培育抗病品种提供重要的理论依据。
Studies on the inheritance of resistance to Verticillium wilt of upland cotton, and the identification of differently expressed genes about the interactions between upland cotton and V. dahliae Kleb.
选用纤维强度有显著差异的不同类型陆地棉品种，采用X -射线衍射技术，研究了开花期对棉花纤维超分子结构动态变化的影响。
By using techniques of X-ray diffraction, effects of anthesis date on the dynamic change of cotton fiber super-molecular structure and strength were studied.
但现有的低酚棉品种，基本利用的都是隐性无腺体基因，隐性低酚陆地棉在生产上容易发生天然杂交，带来生物混杂，食用不安全。
Most glandless varieties, which are easy to produce hybridization naturally in the field, and cause unsafe to eat, are due to recessive glandless genes.
野生种与种质系间的相似系数为0 .388～ 0 .479，陆地棉亲本与种质系间相似系数为0 .6 36～ 0 .892 ，材料间的带型差异与相似系数是吻合的。
The similarity coefficients between wild species and its filial lines were 0.388~0.479, those similarity between upland cotton and germplasm lines were 0.636~0.892, vice verse.
野生种与种质系间的相似系数为0 .388～ 0 .479，陆地棉亲本与种质系间相似系数为0 .6 36～ 0 .892 ，材料间的带型差异与相似系数是吻合的。
The similarity coefficients between wild species and its filial lines were 0.388~0.479, those similarity between upland cotton and germplasm lines were 0.636~0.892, vice verse.
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