研究了不同施肥处理对3年生紫花苜蓿开花期叶面积、叶干重及比叶重的影响。
The leaf area, leaf dry weight and specific leaf weight (SLW) of 3-year-old alfalfa were studied under different fertilizing treatments.
比叶重和含氮量与净同化速率间存在正相关。
Specific leaf weight and nitrogen content had positive relation to the net assimilation rate.
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.
限根对不同品种油桃幼树叶片中可溶性蛋白含量变化和叶片相对含水量、比叶重的影响明显不同。
Root restriction presented remarkably different effects on the soluble protein contents, relative water contents and the specific weights of the leaves of the young trees of different varieties.
叶绿素含量与净同化速率间没有显著关系，但与含氮量和比叶重有关。
Chlorophyll content had no significant relation with the net assimilation rate, but was related to the nitrogen content and the specific leaf weight.
施用有机肥对叶片的影响表现为提高叶绿素含量，增加比叶重。
The investigation on properties of leaves indicated that the content of chlorophyll rose and specific leaf weight increased after fertilizing.
比叶重、叶绿素含量和群体光合速率等叶片性状与群体干物质生产密切相关。
The relationship of production of population dry matter was strong with the leaf characters such as ratio of leaf weight with leaf area, chlorophyll content and population photosynthetic rate.
结果表明，相对100%光强而言，遮荫处理后叶片的含水量显著上升，比叶重显著下降。
Compared to those under 100% of sunlight, the plants which were treated by shading showed that water content of leaf was increased and special leaf weight was decreased remarkably.
通径分析表明，比叶面积不仅受叶重、茎重、根重的影响，而且受3者间交互作用的影响。
Moreover, path analysis showed that SLA was influenced not only by root weight, stem weight and leaf weight but also by their interaction effects(Fig. 3, Table 7).
结果植株比叶重高于未结果植株，但不存在显著差异。
The SLW of bearing fruit was higher than no bearing fruit, but have no significant difference.
比叶重与产量及光合速率呈明显的正相关，相关系数分别为0.9102和0.9280，达极显著水平。
Leaf specific weight shows significant positive correlation with yields and photosynthetic rate, and the correlation coefficient reaches very notable level for 0.9102 and 7.9280, respectively.
②回复突变的红花檵木叶鲜重、含水量、比叶重、叶面积和色素特征等特征均与转绿叶片相似；
Leaf fresh mass, water content, leaf mass per unit area, leaf area and pigment of back mutation were approximately the same as green leaves of its red-leaf variations;
②回复突变的红花檵木叶鲜重、含水量、比叶重、叶面积和色素特征等特征均与转绿叶片相似；
Leaf fresh mass, water content, leaf mass per unit area, leaf area and pigment of back mutation were approximately the same as green leaves of its red-leaf variations;
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