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济宁市的棉花苗期病害主要是棉苗立枯病(Rhizoctoniasolani),其次是棉苗炭疽病(Colletotri-chumgossypii)、红腐病(Fusariummoniliforme)等。其发生程度除受种子带菌、土壤带菌影响外,主要与棉苗定植后的气候条件相关。据统计资料表明,济宁市1990~2003年14a中,发生程度中等偏?
Jining cotton seedling diseases are mainly cotton seedling blight (Rhizoctonia solani), followed by cotton seedlings anthracnose (Colletotri-chumgossypii), red rot (Fusariummoniliforme) and so on. In addition to its occurrence by the seed carrier, the impact of soil-borne, mainly cotton seedlings climatic conditions after planting. According to statistics, Jining City in 1990 ~ 2003 14a, the occurrence of moderate to moderate?