前期由于叶片叶绿素含量低，光合速率也低；
The photosynthetic rate is low because of the chlorophyll content of leaf is low in earlier stage;
叶片叶绿素含量孕茭前低于雄茭，孕后则较高；
The chlorophyll contents were higher before pregnanting period, lower after it.
磁混肥显著提高水稻产量，并使水稻叶片叶绿素含量增加。
Magnetic mixture fertilizer helps to increase rice production significantly as well as chlorophyll content in rice leaves.
同时叶片叶绿素含量提高，光合强度增加，生理活性增强。
At the same time, chlorophyll content is raised, photosynthesis improved and physiological activity strengthened.
植物叶片叶绿素含量及分布是植物营养信息表达的一个重要指标。
Chlorophyll content and distribution in plant's leaves is an important index in estimation of plant nutrition information.
但生育中后期叶片叶绿素含量下降比较快，对结实率有一定的影响。
However, the fertility of this variety was more or less affect, because the chlorophyll con - tent of leaves reduced fairly quickly at medium-late stage.
结果表明：玉米叶片叶绿素含量在不同发育时期均受到环境变化的影响。
The results show that maize leaf chlorophyll content is affected by environmental conditions from silking to maturity.
红菜苔叶片叶绿素含量、叶面积指数及比叶重与群体光合速率成正相关；
B. campestris content of leaf chlorophyll, leaf area index , leaf area-weight ratio were positive significantly correlated with the PR.
对目前提出的光谱指数用以提取叶片叶绿素含量的适应性进行了分析和评价。
At leaf level, we analyzed the applicability of the spectral indices when applied to chlorophyll.
表现为叶片叶绿素含量提高，光合作用能力增强，可溶性蛋白含量上升，叶片渗透势降低。
Exogenous salicylic acid could increase the chlorophyll content and photosynthesis rate, raise the content of soluble protein of leaves. It also could decrease the leaves osmotic potential.
高温胁迫导致水稻叶片叶绿素含量降低，表现出明显的降解作用，存在一个活性氧的伤害机理。
The high temperature stress makes chlorophyll content of rice leaves reduce, which shows significant degradation effect, and has a mechanism of active oxygen injury.
结果表明，在正常供水条件下，抗旱品种表现为叶片较窄，叶片叶绿素含量较高，叶片上下表皮刚毛较多；
The results showed that the varieties with drought resistant had narrower leaf, higher chlorophyll content of leaf and more chaeta in up and down epidermal of leaf.
结果表明：SA具有促进番茄植株生长、提高番茄植株的光合速率的作用，同时也增加了番茄叶片叶绿素含量。
In order to know the effects of Calcium on regulation of tomato growth and photosynthesis induced by salicylic acid sa, leaves of tomato l.
作为一种测量叶片叶绿素含量的仪器，叶绿素仪可以作为测量作物含氮的仪器使用，具有快速、准确、简便的特点。
As an instrument of measuring the chlorophyll content, the chlorophyll meter can also be used in measuring the nitrogen content of crop, and it is rapid, accurate, and convenient for this use.
在大豆始花和盛花期用不同浓度的多效唑喷施全株，结果表明：处理后，大豆叶片叶绿素含量、可溶性蛋白质含量增加；
Spraying soybeans by different densities of paclobutrazol in early flowering and profuse flowering season, the result showed that, chl and Pr antents were increased;
其中三裂叶蟛蜞菊叶水提液分别使花生叶片叶绿素含量、净光合速率和单株干物重降低31.95%、32.65%和37.93%。
Aqueous extract of the leaves reduced the chlorophyll of peanut leaves, net photosynthesis rate and dry weight by 31.95%, 32.65% and 37.93%, respectively.
对23份自育的甘薯品系、台湾薯、川山紫、徐91-51-1和京杂4号等甘薯良种的叶片叶绿素含量和净光合速率进行了测定，对照品种为甘薯良种徐薯18。
Chlorophill content and net photosynthesis rate were tested in 23 sweet potato varieties and 5 commercial varieties, Taiwan Shu, Chuanshanzi, Xu91-51-1, Jingzha 4 and Xushu 18( as a control).
主茎下部衰老叶片的SOD、POD活性明显降低、叶绿素含量减少、光合作用功能衰退。
SOD and POD activity descended apparently, and chlorophyll contents and photosynthesis declined in senescent leaves of lower stem.
SH系中间砧的矮化程度影响红富士苹果叶片的变色指数以及叶绿素、可溶性糖、淀粉的含量。
The dwarfing degree of SH interstocks could affect the discolor index and the contents of chlorophyll, amylum, and soluble sugar.
结果表明：增加硫营养供应对提高叶片中叶绿素含量具有非常重要的作用。
The results show that the S supply play an important role in increasing the content of chlorophyll .
叶片的叶绿素含量对土壤水分状况较为敏感，5种水分处理下苗木叶片的叶绿素含量有较大的差异。
The content of leaf chlorophyll was sensitive to soil moisture, under 5 kinds of different soil moisture status and the content of leaf chlorophyll was distinct.
乙烯利处理提高了叶片中叶绿素的含量。
The ethephon treatment increased the contents of chlorophyll in leaves.
番茄叶片中叶绿素、类胡萝卜素含量增加；但净光合速率、气孔导度、蒸腾速率下降。
Chlorophyll and carotene content in tomato leaves increased, while net photosynthetic rate, stomatal conductance and transpiration rate declined.
高温胁迫对叶片相对含水量和叶绿素含量无明显影响。
There has no significant effects on relative water content and chlorophyll content in leaves under high temperature stress.
结果表明：各种补铁措施均可提高叶片中活性铁及叶绿素含量，使黄叶病树病梢率和失绿级数下降。
The result indicated that all the addition of Fe treatments can increase the content of Fe and chlorophyll of leaves, and the ratio of chlorosis branches and grades of chlorosis were decreased.
增强的紫外光B（UV-B）辐射明显降低柚树苗叶片叶绿素，可溶性蛋白含量，增加可溶性糖含量。
Enhanced UV-B radiation significantly decreased the contents of chlorophyll, soluble protein of pomelo seedlings, increased soluble sugar content.
干旱胁迫后不同水陆稻品种叶片中叶绿素含量变化均不明显；
The changes of chlorophyll content in the leaves of both Brazilian upland rice and normal rice varieties after drought stress were not obvious.
随施氮量的增加，草莓叶片中叶绿素含量增加，草莓总产量呈增加趋势。
The content of chlorophyll in strawberry leaf increased, and the total yield of strawberry fruit trended to increase with the increment of nitrogen fertilizer.
结果表明，二氢茉莉酸丙酯提高了根系活力和叶片硝酸还原酶活性（NRA） ，增加叶绿素含量和可溶性蛋白含量，从而为高产奠定了良好的生理基础。
The results indicated PDJ could improve the vigor of root system and NRA of leaves, increase chlorophyll and soluble protein content, thus laying a better physiological foundation for high yield.
结果表明，二氢茉莉酸丙酯提高了根系活力和叶片硝酸还原酶活性（NRA） ，增加叶绿素含量和可溶性蛋白含量，从而为高产奠定了良好的生理基础。
The results indicated PDJ could improve the vigor of root system and NRA of leaves, increase chlorophyll and soluble protein content, thus laying a better physiological foundation for high yield.
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