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Simulation of the spreading trend of Camellia oleifera Anthracnose in Guangdong Province

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DOI: 10.23977/erej.2021.050102 | Downloads: 9 | Views: 1163

Author(s)

Zhiye Yan 1, Wen Liu 1, Jiaxian Chen 1, Bin Dong 1, Jian Qiao 2

Affiliation(s)

1 Guangdong Agriculture Industry Business Polytechnic,Guangzhou 510507, China
2 South Subtropical Crop Research Institute, China Academy of Tropical Agricultural Sciences, Haikou 571101, China

Corresponding Author

Bin Dong

ABSTRACT

Camellia oleifera is a unique woody oil plant in China, which has important economic value. With the continuous development of Camellia oleifera industry, the cultivated area of Camellia oleifera is expanding year by year, and the occurrence of Camellia oleifera diseases is becoming more and more serious. A variety of diseases of Camellia oleifera reported were summarized, including 51 pathogens, such as fungi, bacteria, parasitic plants, nematodes, lichens and mosses. Among them, fungal diseases are the most harmful diseases of Camellia oleifera, with 30 species, followed by parasitic plants. Different diseases types of Camellia oleifera forests were investigated month by month by using standard plot survey method in three cities, the main producing areas of Guangdong Province (Shaoguan, Heyuan, Meizhou). According to the investigation, there were seven main diseases that harm Camellia oleifera in Guangdong Province, such as anthracnose, soft rot, tea cake disease, coal soiled disease, rotting foot disease, half mad and root rot of Camellia oleifera, etc. The occurrence and damage degree of these diseases were seasonal obviously. Through the comparative investigation of different types of Camellia oleifera forests, such as nursery, new afforestation, young forest, mature forest, scion orchard, old forest and low-grade forest, the disease occurrence characteristics of different types of Camellia oleifera forests were summarized, which provided scientific basis for timely and accurate control of Camellia oleifera diseases. In addition, the pathogens of anthracnose, gray spot and withered shoot of Camellia oleifera were different in different areas, and the occurrence and damage degree of the same disease in different areas were also different. For the prevention and control of Camellia oleifera disease, it is necessary to master the occurrence and development law of the disease, reasonably select the pesticide and application period, and take the comprehensive control strategy of prevention as the main and combined with various prevention and control measures.

KEYWORDS

Camellia anthracnose; Prevention and control; Virus transmissio

CITE THIS PAPER

Zhiye Yan, Wen Liu, Jiaxian Chen, Bin Dong, Jian Qiao, Simulation of the spreading trend of Camellia oleifera Anthracnose in Guangdong Province. Environment, Resource and Ecology Journal (2021) 5: 6-15. DOI: http://dx.doi.org/10.23977/erej.2021.050102

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