因此，以立枯丝核菌粗毒素处理水稻种子和幼苗可初步鉴定品种对纹枯病的抗性。
The inoculation tests showed that all isolates of R. solani and R. cerealis and their crude toxins had virulence on the plants of rice, maize and wheat.
PEG处理的玉米种子的幼苗SOD酶活性和MDA含量较低，而可溶性蛋白含量较对照略高。
And for the seeds treated by PEG, the SOD activity and MDA content of the seedlings were lower and their soluble protein content was higher than the CK.
结果发现灰葡萄孢代谢产物对供试植物种子萌发后根和芽的伸长以及幼苗的生长都有一定的抑制作用，但是不同菌株间差异明显。
The metabolites generally showed certain toxicity on the root and bud growth of plant seeds and the seeding growth of plants tested, but different isolates exhibited different activities.
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