致萎毒素可引起棉苗维管束系统堵塞。
Wilting toxins can induce to block the xylem of cotton seedling.
自花梗顶部至子房室基部，维管束系统发生复杂的变化。
The vascular system changed complexly from the top of the pedicel to the base of the locule.
表明水分亏缺显著改变了小麦穗轴维管束系统的显微解剖结构。
It showed that the vascular bundle system of rachis in wheat changed apparently under water deficit.
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