The seedlings of Xinong 8 and Zhengza 5 were treated by root dipping with the filtration of Fusarium oxysporum toxin to study its effects on the soluble protein in watermelon seedlings.

用西瓜枯萎病尖孢镰刀菌毒素培养滤液浸根处理西农8号和郑杂5号的幼苗，研究该毒素滤液对西瓜幼苗可溶性蛋白的影响。

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ZD1 is cultured in liquid and wheat grain solid culture, and metabolic product is extracted to obtain water soluble and liposoluble matter for preparing nematode killing biological toxin.

ZD1通过液体和麦粒固体培养后，从代谢产物中提取有效的水溶和脂溶性物质制备成杀线虫生物毒素。

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