| 摘要 |
A systemic inducer for inducing resistance to nematode infestation comprising a nutrient combined with microorganism substance extracted from microorganisms. The nutrient or fertilizer includes at least a phosphoric acid, and the salts thereof, a phosphorous acid and the salts thereof, or the salts of phosphorus, potassium, calcium, sodium, magnesium, manganese, zinc, copper and iron. The microorganism substance may be extracted from fungus, bacteria or virus. The systemic inducer may be applied to stems and leaves of plants. Alternatively, the systemic inducer may be applied to soil to elicit a response via the roots of the plants. Finally, the systemic inducer may be injected into the stem or pseudo stem of the plants. |
