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- The inferring ability of SPAD value just slightly surpasses the logarithm-sum model in the shooting stage. 发现:在抽穗期和灌浆期,对数相加模型的反演能力明显优于SPAD值的反演能力。
- SPAD value in young leaves can be a feasible screening indicator to select iron-resistant peanut cultivars. 新叶叶绿素值可作为花生耐低铁品种筛选的一可靠指标。
- Highly significant correlations were found between SPAD value and chlorosis score, active Fe content and pod yield at early growth stage. 相关分析表明,在生长前期叶绿素值与黄化度、活性铁及荚果产量之间均呈极显著的相关关系。
- At early growth stage, SPAD value and active Fe content in young leaves of iron-resistant cultivars were significantly higher than those of iron-susceptible ones. 在生长前期,耐低铁品种新叶的叶绿素值和活性铁含量均显著高于铁敏感品种;
- The results are as follow: (1) SPAD value increased with the rising of leaf position in the same maize variety, and reached the maximum in the leaf at middle of plant, then declined. 结果表明:(1)同一品种玉米叶片的SPAD值随叶位的升高而增加,至植株中间部位叶达到最大值,之后降低。
- Flowering stage was the most sensitive period to iron deficiency when the most severe chlorosis was observed, and the lowest SPAD value and active Fe content in young leaves were tested. 开花期是花生对缺铁胁迫最为敏感的时期,此阶段黄化现象最严重、各品种新叶的叶绿素值和活性铁含量最低。
- In addition, leaf SPAD values were parabolically related with protein and starch accumulation in grains. 叶片SPAD值与籽粒蛋白质和淀粉积累量均呈二次抛物线关系。
- The activities of GOGAT correlated closely with SPAD values, chlorophyll a,b and a+b content. 并进一步明确了水稻根系吸收氮素与叶色变化的关系。
- The results showed that leaf nitrogen accumulation was exponentially related to leaf SPAD values and linearly related to canopy spectral reflectance. 结果表明,小麦抽穗后叶片氮积累量也叶片SPAD值、冠层反射光谱分别呈显著的指数和线性相关;
- These results indicate that leaf SPAD values and canopy spectral reflectance are good indicators of quality formation dynamics in wheat grains. 因此,叶片SPAD值和比值指数可以用来预测单位土地面积上小麦籽粒生长过程中蛋白质和淀粉的积累动态。
- The results showed that the SPAD values of different parents flag leaf existed considerable difference, the parent existed considerable difference at different growth stages too. 结果表明:不同亲本剑叶SPAD值存在着较大的差异,同一亲本在不同的发育时期SPAD值也存在着较大的差异。
- A plot experiment showed that there were significantly positive correlations (P?0.01)between chlorophyll meter values (SPAD values) and N content in leaves,leaf color chart(LCC)values at panicle initiation and heading stages. 田间小区试验结果表明;寒地水稻叶片的叶绿素值(SPAD值)在穗分化期、抽穗期与叶片含氮量及叶色卡值(LCC值)之间都呈极显著的正相关(P?0.;01)。
- The research was conducted to determine the relationships between post-heading leaf SPAD values, canopy spectral reflectance, and protein and starch accumulation dynamics in grains of wheat. 摘要研究了不同土壤水氮条件下小麦抽穗后叶片氮素状况和籽粒蛋白质及淀粉积累动态与叶片SPAD值、冠层光谱反射特征的关系。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- I set a high value on his advice. 我认为他的忠告很有价值。
- The value of your assistance is inestimable. 阁下鼎立相助之功不可胜言。
- I am doubtful about the value of your proposal. 我怀疑你的提议是否有价值。
- I can take nothing you say at face value. 我不会把你说的话当真的。
- The experience gained will be of great value to us. 所取得的经验对我们有很大价值。
- A bauble is a showy ornament of little value. 廉价珠宝是华而不实的装饰品。