针叶病;
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.
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。
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