Pinus koraiensis,as the top zonal plant in Northeast China,is affected by external conditions and favorable environmental factors in nature,and grows through its internal contradictory movement.Under certain condition...Pinus koraiensis,as the top zonal plant in Northeast China,is affected by external conditions and favorable environmental factors in nature,and grows through its internal contradictory movement.Under certain conditions,it is also affected by some adverse environmental factors,resulting in disasters.With the diseases infecting P.koraiensis in Liaoning area(bark rot,needle-shedding disease,pine dry blight,pine white rot and pine heart rot)as the research objects,the control methods against P.koraiensis diseases are explored,in order to provide reasonable technology measures for disease and pest control in Liaoning area.展开更多
文摘Pinus koraiensis,as the top zonal plant in Northeast China,is affected by external conditions and favorable environmental factors in nature,and grows through its internal contradictory movement.Under certain conditions,it is also affected by some adverse environmental factors,resulting in disasters.With the diseases infecting P.koraiensis in Liaoning area(bark rot,needle-shedding disease,pine dry blight,pine white rot and pine heart rot)as the research objects,the control methods against P.koraiensis diseases are explored,in order to provide reasonable technology measures for disease and pest control in Liaoning area.