The reasons were as follows: firstly, the varieties with erect and semierect panicle were dwarf with short basal internodes, which increased their lodging resistance;
主要原因在于：直立、半直立穗型品种株高偏矮，基部节间短，更有利于抗倒；
The results showed that plants with short stem and low gravity center, short basal internodes, long peduncle and high plant height component index were beneficial to lodging-resistance.
结果表明，矮秆、基部节间较短、重心高度较低、穗下节间较长且株高构成指数大的植株有利于抗倒伏。
Histochemical analysis and in situ hybridization showed that the ACO1 expression was localized in the basal parts of leaf sheaths immediately above nodes or the lower parts of elongating internodes.
组织化学分析和原位杂交结果表明ACO1在伸长中的节间底部仅靠近节的叶鞘基部表达量很高。
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