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《Gansu Agricultural Science and Technology》 2018-02
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Investigation of Corn Diseases and Pests in Nine Cities of Gansu in 2017

GUO Cheng;ZHOU Tianwang;WANG Chunming;Institute of Plant Protection,Gansu Academy of Agricultural Sciences;Scientific Observing and Experimental Station of Crop Pests in Tianshui,Ministry of Agriculture;  
In order to timely master the occurrence and species changes of corn diseases and pests in Gansu province,a systematic investigation was carried out on the occurrence and damage of corn diseases and pests in 21 counties(districts) of nine cities in the whole province from July to September. The results show that corn stalk rot is occurring more commonly and resulting in widespread damage in each ecological region of Gansu province. Common rust,ear rot smut and sheath rot is generally mildly occurring,and northern leaf blight is slowing down and decreasing because of climatic condition. The corn aphid and mites are in an aggravation tendency. Corn borer occurred moderately,but cotton bollworm occurred seriously in local areas.
【Fund】: 国家重点研发计划(SQ2017ZY060067);; 甘肃省科技厅科技支撑计划(1604NKCA063)
【CateGory Index】: S435.13
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