| 摘要 |
A method of using a beef extract or a protein hydrolisate or a mixture of beef extract and protein hydrolisate, as active substance, for treatment and/or prophylaxis of plants against the action of pathogens is described. A composition including a beef extract or a protein hydrolisate or a mixture of beef extract and protein hydrolisate, as active substance, for treatment and/or prophylaxis of plants against the action of pathogens is also described.
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