A field plot experiment was carried out to determine the efficacy of Bacillus amyloliquefaciens strain Lx-11, a biogenic fungicide, in controlling bacterial leaf streak of rice as well as its effect of inhibiting the spread of leaf streak. The results showed that the tested strain applied at 6 ×10~9 active bacteria/mL was effective against bacterial leaf streak disease of rice, whose efficacy rose with increasing dose. When applied as two sprays at the rate of 500 or 650 mL/667 m~2, B. amyloliquefaciens str...
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