Occurrence and comprehensive prevention and control measures of sunflower bloomrape in Lyuliang City
Sunflower bloomrape (Orobanche cumana Wallr) is a annual herbaceous quarantine weed. It can absorb nutrients at root of sunflower, which can cause the sunflower to be low, thin and can not forming flower discs, or even to die. The weed usually occurs at 7-9 month in Lyuliang city, the yield of sunflower reduced by about 20％. According to the characteristics of sunflower bloomrape in Lyuliang city, we strengthened the plant quarantine measures, strictly controlled the seed source, taken comprehensive prevention and control measures by the mainly agricultural control and auxiliary chemical control, which reduce the harms of sunflower bloomrape effectively.
sunflower broomrapeoccurrencecomprehensive prevention and control
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