Relationship between decline disease of exotic pines(Pinus taeda and Peliottii) and forest stand and environmental factors

Chinese Journal of Applied Ecology ›› 2001, Vol. ›› Issue (3): 331-334.

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Relationship between decline disease of exotic pines(Pinus taeda and Peliottii) and forest stand and environmental factors

SHU Qinglong¹, ZOU Yunding¹, YANG Guangdao¹, ZHU Qian², HUANG Changchun ²

1. Anhui Agricultural University, Hefei 230036;
2. Anhui General Station of Forest Pest and Disease Management, Hefei 230031

Received:2000-10-26 Revised:2001-03-29 Online:2001-05-25

Abstract

Abstract: The relationship between decline disease of exotic pines(Pinus taeda and P.eliottii)plantations in Anhui Province and forest stand status and environmental factors was quantitatively analyzed.Among 18 variable factors from 4 types of factors(climate,soil,stand status,and other diseases and insect pests),10 factors contributed greatly to the state of illness.These were tree age,stand density,resin tapping,rainfall,temperature,clay soil,stone soil,soil depth,water logging,and other diseases and insect pests.Of them soil depth and rainfall negatively,and others positively related with the severity of disease.Accordingly,a linear multiple regression model was derived,which might predict the developmental level of decline disease at any given conditions of exotic pine plantation.In addition,the spiral chart of decline disease was mapped based on the action size and time order of various nosogenetic factors during the incidence of decline disease,which was used to visually describe and quantitatively analyze the disease with complicated causes.

CLC Number:

S763.1

SHU Qinglong, ZOU Yunding, YANG Guangdao, ZHU Qian, HUANG Changchun . Relationship between decline disease of exotic pines(Pinus taeda and Peliottii) and forest stand and environmental factors[J]. Chinese Journal of Applied Ecology, 2001, (3): 331-334.

References

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Relationship between decline disease of exotic pines(Pinus taeda and Peliottii) and forest stand and environmental factors

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[1]	LIN Feng, ZHAO Boguang . Effects of pine wood nematode on propagation of its carrying bacteria [J]. Chinese Journal of Applied Ecology, 2005, 16(12): 2476-2478.
[2]	SHU Qinglong, YANG Guangdao, ZOU Yunding, TANG Jian, HUANG Changchun. Causal factors of decline disease in exotic pine (Pinus taeda and P elliottii) plantations [J]. Chinese Journal of Applied Ecology, 2001, (3): 326-330.
[3]	SHU Qinglong, YANG Guangdao, ZOU Yunding, TANG Jian, HUANG Changchun. Causal factors of decline disease in exotic pine (Pinus taeda and P elliottii) plantations [J]. Chinese Journal of Applied Ecology, 2001, 12(3): 326-330.
[4]	SHU Qinglong, ZOU Yunding, YANG Guangdao, ZHU Qian, HUANG Changchun . Relationship between decline disease of exotic pines(Pinus taeda and Peliottii) and forest stand and environmental factors [J]. Chinese Journal of Applied Ecology, 2001, 12(3): 331-334.