【摘 要】
:
油松(Pinus tabulaeformis)和赤松(P.densiflora)是重要的用材与绿化树种,随着大面积油松和赤松人工林的栽植与成林,油松和赤松疱锈病亦相继发生。油松与赤松疱锈病是两针松
【机 构】
:
辽宁省林校,辽宁省林校,辽宁省林校,
论文部分内容阅读
油松(Pinus tabulaeformis)和赤松(P.densiflora)是重要的用材与绿化树种,随着大面积油松和赤松人工林的栽植与成林,油松和赤松疱锈病亦相继发生。油松与赤松疱锈病是两针松类枝干上的重要病害,早于1966年在辽宁省海城地区的赤松人工林内发现,近年来,清原县海阳林场及内蒙古昭乌达盟喀喇沁旗旺业甸林场、宁城县黑里河林场的油松与赤松接续发生。据清原县海阳林场1980年的初步调查,有的林分发病率达
Pinus tabulaeformis and P.densiflora are important timber and tree species. Pinus tabulaeformis and Pinus sylvestris var. Rust also occur along with large-area Pinus tabulaeformis and Pinus densiflora plantation. Pinus tabulaeformis and Japanese red pine rust are two important diseases of Pinus armandii. As early as 1966, they were found in the Pinus densiflora plantation in Haicheng, Liaoning Province. In recent years, the Haiyang Forest Farm in Qingyuan County and the Kalachakra in Inner Mongolia Qin Qi Wang Austin Austin Forest Farm, Ninghe County Heilihe forest pine and red pine continue. According to a preliminary survey conducted by Haiyuan Forest Farm in 1980 in Qingyuan County, some stands had a disease incidence of up to
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