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1981—1985年对佳木斯地区旱田主要杂草种类、分布和危害进行了调查,结果表明:佳木斯地区旱田杂草83种(不包括路旁及荒地),隶属于20科66属,主要杂草(危害指数3以上)26种,其中发生普遍危害严重的强害草(危害指数13以上)9种,一般害草(危害指数3—12)17种,同时调查了该区东部、西部、南部、北部、中部及不同作物农田杂草的分布和危害。农田杂草的群落随着耕作及化学除草技术的实施而不断的演变和更替,因此必须不断的掌握其发生种类、发生频率及在各区域、各作物的分布和危害程度。才能做到有的放矢地制定杂草防除策略。
The main types of weeds in the Jiamusi area, distribution and damage were investigated during 1981-1985. The results showed that 83 species of weeds in the Jiamusi area (excluding roadsides and wasteland) belong to 20 families and 66 genera. The main weeds Index 3 or above). Among them, there were 26 species of common harm (hazard index above 13) and 17 common weeds (hazard index 3-12), and the eastern, western, southern and northern parts of the area were surveyed , The distribution and hazards of weeds in the middle and different crop fields. The community of farmland weeds constantly evolves and changes with the implementation of farming and chemical weed control techniques. Therefore, it is necessary to keep a constant understanding of the types of occurrence, the frequency of occurrence and the distribution and hazards of crops in all regions. We can achieve a targeted weed control strategy.