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为明确黑龙江烟田杂草的发生危害情况,采用倒置“W”9点取样法对黑龙江省7个地区烟田杂草进行调查。结果表明,黑龙江烟田杂草共计有33种,隶属15科,阔叶杂草26种,禾本科杂草6种,蕨类植物1种。其中优势杂草有稗草、狗尾草、马唐、藜、反枝苋、苘麻、铁苋菜。7个县(市、区)烟田主要优势杂草种群稍有差异。
In order to clarify the occurrence of weeds in tobacco fields in Heilongjiang Province, we investigated the weeds in tobacco fields in 7 areas of Heilongjiang Province by using inverted “W” 9-point sampling method. The results showed that there were 33 weeds in tobacco field in Heilongjiang Province, belonging to 15 families, 26 broad-leaved weeds, 6 grassy weeds and 1 pteridophyte. Among them, the weeds are barnyardgrass, green foxtail, crabgrass, quinoa, Amaranthus retroflexus, velvetleaf, iron amaranth. 7 counties (cities, districts) tobacco field main advantage weed population slightly different.