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Chinese Agricultural Science Bulletin ›› 2017, Vol. 33 ›› Issue (11): 126-130.doi: 10.11924/j.issn.1000-6850.casb16060052

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Investigation on Weed Occurrence in Highland Barley Field in Lhasa

Song Guoying   

  1. (The Research Institute of Agricultural Resources and Environment in Tibet Autonomous Region, Lhasa 850032)
  • Received:2016-06-11 Revised:2017-03-21 Accepted:2016-08-03 Online:2017-04-26 Published:2017-04-26

Abstract: Induced budding in a greenhouse to soil samples collected from barley field of four counties including13 townships in Lhasa, investigated on weed occurrence in barley field. The results show: there are 12 families, 25 kinds in barley field, mostly annual weed; the main harmful weeds is gramineous weeds, such as Poa annua L., Setaria viridis L., Echinochloa crusgalli L and so on; layered soil cultivation shows: weed emergence amount of 0 to 10 cm soil is higher than 10-20 cm. The study will provide a scientific basis for effective prevention and control weeds in barley field in Lhasa, Tibet.