The biological activity assay of the crude toxin showed that it could induce the characteristic symptom ofricesheathblight and inhibit the growth ofrice radicle and make the seedling wilting.
A field experiment was conducted to investigate the development rule ofricesheathblight in rice-duck-fish complex ecosystem. A model was established based on experiment data.
通过田间试验,对稻-鸭-鱼共栖生态系统中水稻纹枯病的发生规律进行了研究并建立了相应的数学模型。
3
The control effect of Wengmeiqing (validamycin) and its mixture on ricesheathblight disease was tested in field.