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薏苡(Coix lacryma—jobi L·)是常用中药之一,各地都有栽培。由于薏苡黑穗病的为害,个别产区常减产50％左右,严重影响了薏苡稳产高产。过去防治薏苡黑穗病一般采用温汤浸种和汞制剂拌种,取得了一定的防治效果。但由于温汤浸种方法比较麻烦;汞制剂又具残毒(今后国家逐步停止生产),所以迫切需要寻找防治薏苡黑穗病的高效、低毒新农药。为此我们于1974年春在本所药草场,用几种新农药进行了薏苡种子消毒试验,现将初步结果整理如下:
Coix lacryma-jobi L is one of the commonly used traditional Chinese medicines and is cultivated all over the country. Due to the harmful effects of Coix smut, the individual producing areas often yield about 50%, which seriously affected the stable and high yield of Coix. The past prevention and treatment of Coix smut commonly used warm soup soaking seed and mercury dressing, achieved some control effect. However, due to the soaking method of warm soup is troublesome and the residue of mercury preparation is still in the process of poisoning (the country will gradually stop production in the future), it is urgent to find new pesticides with high toxicity and low toxicity to prevent and treat smut. To this end, we conducted the Coix Seed Seeding Disinfection Test with several new pesticides at our herb farm in the spring of 1974. The preliminary results are summarized as follows: