结果表明，旗叶和穗部总酚和吲哚生物碱含量不同，表现出对麦长管蚜种群影响的差异。
The results indicated that there were different total phenolic and indole alkaloid contents in flag leaf and ear of wheat varieties (lines).
进而研究了不同抗蚜品种（系）小麦旗叶和穗部的吲哚生物碱含量及其与抗蚜性的关系。
The relationship between indole alkaloid content of flag leaves and ears in wheat varieties (lines) and its resistance to S. avenae was studied.
叶片功能衰老的先后次序是植株下部叶片，其次是顶部叶片，最后是穗位叶和中部叶片。
The senescence order was leaves at plant bases first, then the leaves oil the top, the leaves in the middle the last.
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