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如果一种农药能够防治植物的多种病害或者能够病虫兼治,即省工、省力又能大大降低成本,这是人们最理想不过的。但目前能够对葡萄病、虫兼治的药剂很少,石硫合剂虽然对葡萄的某些病虫能起到兼治作用,但在葡萄生长季节往往因应用不当,而引起药害。硫黄悬胶剂是防治多种植物白粉病(包括葡萄在内)的良好药剂,现已得到证实并广泛应用,而对防治果树虫害目前尚未见报导。今年我们对葡萄红蜘蛛在室内室外都作了药效试验,结果证明效果显著,现总结如下,以供参考。
If a pesticide can prevent a variety of plant diseases or pests and diseases, that is, labor-saving, energy-saving and can greatly reduce costs, which is the most ideal. However, there are few agents that can cure grape diseases and insects at the present time. Though the lime-sulfur mixture can play an important role in controlling certain pests of grape, the grape growth season is often caused by improper application and causes phytotoxicity. Sulfasalazine is a good agent for controlling various plant powdery mildew (including grapes), and has been confirmed and widely used. However, there is no report on the prevention and control of fruit tree pests. This year we have grape spider on the indoor and outdoor efficacy tests have been made, the results show that the effect is significant, are summarized below, for reference.