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Spatial distribution of needle bright disease ofPinus sylvestris var.mongolica |
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| Authors: | Li Pengfei Zhang Ximing Hui Enxian Liu Zhifang Ge Yuxiang Wang Jun Wang Daojun Wu Changyou |
| Affiliation: | (1) Animal and Plant Quarantine Bureau of Manzhouli, 021400 Manzhouli, Inner Mongolia, P.R. China;(2) Honghuaerji Forestry Bureau, 021112, Inner Mongolia, P.R. China |
| Abstract: | The spatial distribution pattern of needle bright disease was mathematically studied. The results showed that it is tally with negative binomial distribution. The infected area and damaged amount can be forecasted with this spatial distribution pattern. Through the study on probability distribution of spatial points for single tree, the method and equations for calculation of the disease index of whole forest belt were determined. (Responsible Editor: Chai Ruihai) |
| Keywords: | Pinus sylvestris var.mongolica Disease Septoria pini-putnilae Sawada Dothistroma pipi Hulbary Needle bright Spatial distribution |
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