| 摘要 |
A systemic inducer comprising a nutrient combined with microorganismic substance extracted from microorganisms or insects. The nutrient or fertilizer includes an acid and/or the salt of phosphorus, potassium, calcium, sodium, magnesium, manganese, zinc, copper and iron. The microorganismic substance may be extracted from fungus, bacteria, virus or insects. The systemic inducer may be applied to stems, leaves, flowers or fruits 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.
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