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佛冈县不同类型橘园柑橘木虱的种群动态 被引量:1

Population dynamics of Diaphorina citri Kuwayama in different types of citrus orchards in Fogang County, Guangdong Province
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摘要 【目的】明确佛冈县不同类型橘园柑橘木虱的种群动态,为当地柑橘木虱及柑橘黄龙病的防治工作提供科学依据。【方法】通过2015—2016年的系统调查,对广东省佛冈县砂糖橘园的柑橘木虱种群消长动态进行研究,对比分析了不同处理措施对柑橘木虱种群数量的影响。【结果】1—3月柑橘木虱发生危害较轻,随着嫩梢增多,其种群数量开始上升,6—9月为种群发生高峰期,期间出现多个发生高峰,10月之后种群数量逐渐进入消退期,种群数量维持在较低水平;2015、2016年佛冈县柑橘木虱的季节性消长动态基本一致,但种群发生量存在明显差别;3种不同类型橘园内柑橘木虱种群发生数量也存在显著差异,常年失管橘园柑橘木虱种群发生数量最高,常规水肥管理橘园次之,二者均显著高于常规水肥管理及化学防治橘园。【结论】化学防治可在一定程度上控制柑橘木虱的种群数量,及时清理失管橘园对控制柑橘木虱和柑橘黄龙病传播至关重要。 【Aim】To clarify population dynamics of Diaphorina citri in different types of citrus orchards will be beneficial for controlling Huanglongbing and citrus psyllid in Fogang County,Guangdong Province.【Method】The population abundance and dynamics of D.citri under different management measures were compared through systematic investigation in Fogang County from 2015 to 2016.【Result】The population of D.citri was small from January to March.Population size of D.citri began to rise with the growth of young shoots of citrus,reaching the peak from June to September and then decreased rapidly at a low level after October.The seasonal population dynamics of D.citri in 2015 was almost in accord with in 2016,but the population size of D.citri had obviously differences between 2015 and 2016.There were significant differences in population size of D.citri among three different types of citrus orchards.The highest population size of D.citri was in the orchards with no management and followed by in conventional water and fertilizer management orchards,both of which were significantly higher than conventional water,fertilizer management and chemical control orchards.【Conclusion】To some extent,chemical pesticide could control the population size of D.citri.Timely cleaning of the orchards with no management was essential for controlling the spread of Huanglongbing and citrus psyllid.
作者 周小武 齐国君 ZHOU Xiaowu;QI Guojun(Agricultural Technology Extending Service Centre of Fogang,Guangdong Province,Qingyuan,Guangdong 511600,China;Guangdong Provincial Key Laboratory of High Technology for Plant Protection/Plant Protection Research Institute,Guangdong Academy of Agricultural Sciences,Guangzhou,Guangdong 510640,China)
出处 《生物安全学报》 CSCD 2019年第4期249-253,共5页 Journal of biosafety
基金 国家重点研发计划(2017YFC1200600) 广东省现代农业产业共性关键技术研发创新团队(2019KJ134) 十二五国家科技支撑计划(2015BAD08B02)
关键词 柑橘木虱 种群动态 失管橘园 化学防治 Diaphorina citri population dynamics citrus orchard without any management chemical control
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