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Efficacy Test on Black Spot Disease in Hemp Variety Yunma No.1
xu yan-ping1; yang ming1; guo hong-yan1; hu xue-li1; chen yu1; guo meng-bi1; wu ju-xian2; deng wen-pin2(1.economic crop institute; yunnan academy of agricultural sciences; kunming 650205; china; 2.yunnan indusrial hemp co.ltd; kunming 650217; china)
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