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earliness of ripening
相关语句
  相似匹配句对
     Liao Mian 3 with earliness;
     辽棉3号为早熟品种;
短句来源
     PROBLEMS ON BREEDING OF EARLINESS IN WHEAT
     关于小麦早熟育种的几个问题
短句来源
     Development Physiology of Earliness in Barley
     大麦早熟发育生理的研究
短句来源
     The earliness gene was named as Ef-2(x).
     该基因的定位为下一步的基因分离和克隆奠定了基础。
短句来源
     On the Ripening of Viscose Rayon
     关于粘胶熟成问题的探讨
短句来源
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48 upland cotton varieties was used to study simple relativity, partiality relativity, model analysis among 26 traits. The results indicated that earliness of ripening could the damage of bolls and reduced damage to seeds. There was no significant relativity between most of the botany traits, economic properties and the resistance index. Resistance index could be classified into 3 classes according to relativity. Principal component analysis showed that the number of living larvas per one hundred bolls...

48 upland cotton varieties was used to study simple relativity, partiality relativity, model analysis among 26 traits. The results indicated that earliness of ripening could the damage of bolls and reduced damage to seeds. There was no significant relativity between most of the botany traits, economic properties and the resistance index. Resistance index could be classified into 3 classes according to relativity. Principal component analysis showed that the number of living larvas per one hundred bolls and rate of damaged seed were the better resistance index in cotton breeding.

本试验通过对供试材料48个品种,26个性状的简单相关、偏相关、典型相关分析,初步认为:早熟性对红铃虫有一定的避害性,减少种子受害;大部分植物学性状、经济性状与抗虫指标没有显著的相关性。抗虫指标据其相关紧密性可以分为三类。第一类:活虫数/百铃、籽害率/铃·虫、籽害率/铃;第二类:侵入孔/百铃、虫道/百铃、侵入率;第三类:羽化数/百铃。其中,按主成分分析结果以笑口桃(或籽棉)活虫数/百铃、籽害率作为育种中抗性选择指标较好。

A study was made on five-year-old‘Kyoho’grapevine with GA treatment to investigate GA effects on the seedlessness and maturity of grape berries.Results show that twice GA treatments with 50ppm concentration at 4 days before early-bloom and 10 days after full-bloom could raise the seedless rate up to 95% compared with 55-43% with on time GA treatment.The average weight of seedless berry is 7 gram and the ripening is 10 days earlier due to significant increase of soluble solid content by 2 petcent with slight...

A study was made on five-year-old‘Kyoho’grapevine with GA treatment to investigate GA effects on the seedlessness and maturity of grape berries.Results show that twice GA treatments with 50ppm concentration at 4 days before early-bloom and 10 days after full-bloom could raise the seedless rate up to 95% compared with 55-43% with on time GA treatment.The average weight of seedless berry is 7 gram and the ripening is 10 days earlier due to significant increase of soluble solid content by 2 petcent with slight decrease of total amino acid content in seedless berries.The effectiveness of GA application on the seedlessness and earliness of ripening has positive relationship with the vigor of a plant.One time post-bloom GA treatment can enlarge seed-bearing berries,but results in some seedless ber- ries at the same time.

1989年和1990两年在本校园对巨峰(Vitis labrusca L.×V.vinifera,L.)葡萄进行赤霉素无核、大粒诱导试验。结果表明:初花前4天和盛花后10天各用50ppm 赤霉素浸穗处理一次,可以使巨峰葡萄果实95%以上无核,无核果单果重7克以上,可溶性固形物比对照提高2%,并可使果实提早10天成熟,但总氨基酸含量略有下降.处理果穗的新梢长势越强,无核和早熟效果越好。花后10天用200ppm 赤霉索处理可显著增加有核果重,但同时产生少量无核果.

 
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