张学武, 陈孝达, 唐德瑞. 美国黄松苗木立枯病的发生与防治技术研究[J]. 西南林业大学学报, 2001, 21(1): 31-33,44. DOI: 10.11929/j.issn.2095-1914.2001.01.006
引用本文: 张学武, 陈孝达, 唐德瑞. 美国黄松苗木立枯病的发生与防治技术研究[J]. 西南林业大学学报, 2001, 21(1): 31-33,44. DOI: 10.11929/j.issn.2095-1914.2001.01.006
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ZHANG Xue-wu, CHEN Xiao-da, TANG De-rui. A Study on the Control and Occurrence About Damping off of Pinus ponderosa Seedlings[J]. Journal of Southwest Forestry University, 2001, 21(1): 31-33,44. DOI: 10.11929/j.issn.2095-1914.2001.01.006
Citation: ZHANG Xue-wu, CHEN Xiao-da, TANG De-rui. A Study on the Control and Occurrence About Damping off of Pinus ponderosa Seedlings[J]. Journal of Southwest Forestry University, 2001, 21(1): 31-33,44. DOI: 10.11929/j.issn.2095-1914.2001.01.006
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美国黄松苗木立枯病的发生与防治技术研究

A Study on the Control and Occurrence About Damping off of Pinus ponderosa Seedlings

    摘要
  • 摘要: 对陕西黄土高原地区引种的美国黄松苗期立枯病的病原、发生及防冶技术进行了研究.结果表明该病病原主要为立枯丝核菌(Rhizoctonia solani)和一种镰刀菌(Fusarium sp.);营养土为腐殖土时,发病率低于大田土;月降雨量> 25mm时,发病率有明显上升的趋势.该病的防治以铜大师和普力克交替使用效果较好.

     

    Abstract: The paper studied the pathogen of damping off pine seedling, the regular of happening and the control technology of Pinus ponderosa on the Loess plateau introduction area in Shaanxi. The rate of disease was lower than that in the field plantation if the nutrition soil is humus one.When the estimate of rainfall was more than 25mm monthly, the rate of disease has a clear trend to rise.The effect of prevention is better when using Nordox and Previcurn alternately.

     

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