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Yuan Ronglan, Tang Cai, Yu Qilong, Xi Xingji. Life Tables of Taiwan Pine Cones[J]. Journal of Zhejiang A&F University, 1996, 13(4): 427-434.
Citation: Yuan Ronglan, Tang Cai, Yu Qilong, Xi Xingji. Life Tables of Taiwan Pine Cones[J]. Journal of Zhejiang A&F University, 1996, 13(4): 427-434.

Life Tables of Taiwan Pine Cones

  • Received Date: 1995-11-28
  • Rev Recd Date: 1996-05-20
  • Publish Date: 1996-12-30
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Life Tables of Taiwan Pine Cones

Abstract: Life tables of Taiwan Pine cones were established and analyzed on Huadingshan Forest farm,Tiantai,Zhejiang,during 1993~1994.The results showd that an important and key factor resulting in cone death of Taiwan pine was the daamge by Petrova cristata,which stared from Pine Pistilliferous flowers blossom to Pine maturity.The Period of the cone death was in May each year.There existed a close relationship bewteen the loss of Taiwan pine cones,the different years of bearing cones and the Pest densities.

Yuan Ronglan, Tang Cai, Yu Qilong, Xi Xingji. Life Tables of Taiwan Pine Cones[J]. Journal of Zhejiang A&F University, 1996, 13(4): 427-434.
Citation: Yuan Ronglan, Tang Cai, Yu Qilong, Xi Xingji. Life Tables of Taiwan Pine Cones[J]. Journal of Zhejiang A&F University, 1996, 13(4): 427-434.

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