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salt tolerance indices
相关语句
  耐盐指标
     INFLUENCE OF SALINITY LEVELS ON VARIABILITY OF SALT TOLERANCE INDICES IN RICE SEEDLINGS
     盐浓度对水稻苗期耐盐指标变异度的影响
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  “salt tolerance indices”译为未确定词的双语例句
     Twenty varieties with tolerant, moderate tolerant and sensitive to salinity respectively grown in five NaCl concentrations for ten days to identify rice salt tolerance germplasm and ascertain salinity levels and salt tolerance indices.
     在水培条件下,用5种不同浓度的NaCl分别对20个耐盐能力不同的水稻品种的3叶期幼苗进行处理,10天后考察单株盐害级别并测定相对苗高、相对茎叶干重和根系Na~+/K~+,为水稻耐盐性筛选和鉴定选择适宜的盐处理浓度和鉴定指标提供依据并选择水稻耐盐种质。
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  相似匹配句对
     Advances of salt tolerance in plants
     植物耐盐研究概况与展望
短句来源
     Study on Salt Tolerance of Tomato
     番茄耐盐性研究进展
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     XML Indices
     XML数据索引技术
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     On the Indices of Illite Crystallinity
     关于伊利石结晶度诸指数的评价
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     7) the indices of the hemogram.
     7)血液指标测定。
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  salt tolerance indices
Salt tolerance indices including the threshold ESP, slope which represents yield decline per unit increase in ESP and the value of ESP at which yield is reduced by 50% are reported for 20 crops.
      


Auther carried out field survey and laboratory tests were conducted.That suggest of salt tolerance index on different growing season of three plants.It provides the experimental basis for ration development of plant resource in coastal saline Chao soil.

作者通过室内外各种试验提出了三种植物不同生育期的耐盐指标。由在滨海盐化潮土上合理开发利用这些植物资源提供了依据。

According to the theory and method that plant is introduced and domensti-cated,191 varieties of herbage were recommended and collected from herbage of the locality、other parts of the country and abroad from 1984 to 1989.Salt tole-rance of each variety in light、medium、strong saltinized soil were identificated using fied experimental method,72 varieties that adapted to different level salt tolerance soil on the west bank of the Bohai have been sieved.Furtherly,the salt tolerance indexes...

According to the theory and method that plant is introduced and domensti-cated,191 varieties of herbage were recommended and collected from herbage of the locality、other parts of the country and abroad from 1984 to 1989.Salt tole-rance of each variety in light、medium、strong saltinized soil were identificated using fied experimental method,72 varieties that adapted to different level salt tolerance soil on the west bank of the Bohai have been sieved.Furtherly,the salt tolerance indexes of different,growth period of some herbage were studied,

依据植物引种驯化的理论和方法,1984~1989年先后从国内外及当地引进、采集了191个牧草品补(22个科86个属);采用田间直接鉴定法进行了轻、中、重二种盐化程度的耐盐鉴定,筛选出72个品种可洪渤海湾西岸滨海盐渍土区不同盐化土壤上选择种植;进一步研究了部分牧草不同生育阶段的耐盐指标,以此为依据制定出相应的适应性栽培技术要点并付之以生产。1989年沧州地区已有人工草地48万亩,近三年本省及山东等六省(区)累计草地面积150.3万亩,净增产值4049.8万元。社会效益、生态效益非常显著。

Two sets of four-week-old seedlings of a nine-family materials, including two parents Pokkali and Peta (tolerant and susceptible to salinity, respectively) and their F1 to F3, B1, B2, B1s and B2s, were subjected to 60 and 100 mol/m3 NaCl salinized nutrient solutions, respectively, for four weeks. Ranking of dead leaves and shoot fresh/dry ratio for single plant were survied as salt-tolerance indices. Analysis of multiple regression revealed that the generation means for both indices could...

Two sets of four-week-old seedlings of a nine-family materials, including two parents Pokkali and Peta (tolerant and susceptible to salinity, respectively) and their F1 to F3, B1, B2, B1s and B2s, were subjected to 60 and 100 mol/m3 NaCl salinized nutrient solutions, respectively, for four weeks. Ranking of dead leaves and shoot fresh/dry ratio for single plant were survied as salt-tolerance indices. Analysis of multiple regression revealed that the generation means for both indices could be divided into three groups of significant components, genotype, salinity and genotype×salinity interaction effects. The first group consisted of predominantly additive and dominance effects for both indices and additive×additive interaction effect for shoot fresh/dry ratio, and the third contained dominance×salinity and (dominance×dominance)×salinity interaction effects. The results suggested that the gene additve effect was the most important and comparatively stable component contrbuting to the tolerance of rice seedlings and that the changes of salinity levels principally affected the expression of genetic effects within on between heterzygous loci.

以耐盐品种Pokkali和盐敏感品种Peta为亲本配成一套9家系材料,分别用60和100mol/m~3NaCl盐渍营养液对其4周龄秧苗持续处理4周后考察死叶级别和地上部鲜干重比值的世代平均数.多元回归分析表明,2项指标都存在显著的遗传、盐浓度和遗传×盐浓度效应.其中遗传效应由基因加性、显性或加性×加性分量构成,遗传×盐浓度效应含显性与盐浓度和显性×显性与盐浓度2种互作分量.研究认为:基因加性效应是水稻苗期最重要和最稳定的遗传基础;盐胁迫强度的变化主要影响杂合位点的非加性效应.

 
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