论文部分内容阅读
高粱黑穗病的防治试验,由省农科所昌图金家基点,去年结合生产做了初步防治试验,并联系铁岭地区各县有关单位的防治工作,做了初步的调查研究。去年铁岭地区共种植高粱约250万亩,黑穗病平均发病率约在8—10%,其中以丝黑穗病发生最多。个别地块黑穗病的发病率也有达到30%—50%左右的。如昌图老城公社个别地发病率30%左右,金家种子场大队及两家子农场个别地发病率40%以上,通江口、万安、双庙子个别地发病率有达50%左右的。西丰东平小队,柳树林大队等地发病率有达60%左右
Sorghum smut prevention and control tests by the provincial agricultural Changtujinjiaodian last year, combined with the production to do a preliminary prevention and control test, and Tieling area counties related units of prevention and control work done a preliminary investigation. Last year, about 250 million mu of sorghum were planted in Tieling area. The average incidence of smut is about 8-10%, of which the most is smut. The incidence of smut in individual plots has reached 30% -50%. Such as Changtu Old City commune individually the incidence of about 30%, the gold seed field brigade and two sub-farm incidence rate of 40% individually, Tongjiangkou, Wanan, Shuangmiao sub-individual incidence rate of about 50% of. Xifeng Tung Ping squad, willow forest brigade and other places up to about 60% incidence