The average value for upland cotton varieties in CCR exhibited the highest, amounting to 0.4407;
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；
Upland cotton is not only a cardinal yield crop, but also the largest natural fiber crop in the world.
棉花是世界上重要的产量作物，也是最大的天然纤维作物。
Responses of main characters of upland cotton to mass selection-mass crossing breeding system were studied.
研究了陆地棉主要性状对混选—混交育种体系的响应。
Test error from measuring upland cotton fiber qualities on the HVI900 and its control were investigated in this paper.
对HVI900仪测试棉纤维品质的误差及其控制进行了研究。
The correlation among main yield and fiber traits of upland cotton with high fiber quality was investigated by using correlation and path analysis methods.
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 success of introduction and spread of Upland cotton made an important and far-reaching influence on agricultural production and even the whole social economy.
美棉的引种及推广成功对我国的农业生产乃至整个社会经济产生了深远而重大的影响。
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。
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.
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。
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.
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。
Most upland crops such as corn and cotton cannot survive in soils that are water-saturated because of the greatly reduced oxygen content.
大多数旱地作物，如玉米和棉花不能在被水饱和的土壤中存活，因为氧的含量大大减少了。
The chief crops of Shaanxi are Wheat, millet, cotton, soybeans and corn. Rice, tea, and tung oil are produced in the south, and fruit orchards are cultivated in the upland areas.
陕西的主要农作物为小麦、小米、棉花、大豆、玉米，其南部出产大米、茶、桐油，丘陵地区主要种植果园。
The chief crops of Shaanxi are Wheat, millet, cotton, soybeans and corn. Rice, tea, and tung oil are produced in the south, and fruit orchards are cultivated in the upland areas.
陕西的主要农作物为小麦、小米、棉花、大豆、玉米，其南部出产大米、茶、桐油，丘陵地区主要种植果园。
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