spike leaf

The relationship among the three top leaf length, width, area and spike weight per stem in 10 wheat varieties was studied.

对10个小麦品种（系）的上三叶长、宽、面积与穗粒重的关系进行了研究。

Reducing source through cutting leaf and cutting root can decrease the residual ratio in stem-sheath and the chlorophyll content of leaf, on the contrary reducing sink through cutting spike can increase the residual ratio in stem-sheath and the chlorophyll content of leaf.

剪叶、断根减源还使茎叶鞘贮存物质残留率和穗位叶中叶绿素含量降低，剪穗减库使茎叶鞘贮存物质残留率和穗位叶中叶绿素含量增加。

The variation and differentiation of Leymus Chinensis population were systemically studied. The results showed that there were great difference in leaf color, spike, heading rate and leaf width in Leymus Chinensis population.

本实验对羊草种内变异与分化进行了系统的研究，发现羊草种内变异多样性较高，在叶色、穗型、穗色、抽穗率高低和叶片的宽窄等方面都存在着明显的变异。

The carmer low common or purple foxglove produces pretty flowers leaf stam, leafy stem called spike.

普通或是紫色的毛地黄在叶茂的茎上有着漂亮的花朵,被称为指顶花.

The correlation between the number of grain per spike and the width of the sword leaf was significant and larger than that between grain number and area of the sword leaf.

其中，剑叶宽与穗粒数呈极显著正相关，相关程度大小为宽>面积。

The differences between flag leaf and spike photosynthesis and their relationships with drought tolerance of drought.

旗叶和穗光合作用的差异及其与耐旱性的关系.