摘要
为系统明确黄胸蓟马在香蕉园的活动节律、消长规律与空间分布。采用蓝色诱虫板诱集法和田间踏查法,在2016-2018年期间调查了香蕉园黄胸蓟马成虫的活动高度情况、日间节律、以及不同香蕉品种(南天黄、巴西蕉与皇帝蕉)与不同地区(海南澄迈、广西玉林与云南景洪)的种群消长规律,同时分析了其空间分布格局与性比。结果显示:高度与蓟马种群数量密切相关,2-6 m是香蕉园黄胸蓟马的主要活动高度范围;蓟马种群的活动节律在晴、阴与雨天基本一致,日活动高峰时段为12:00-16:00时,夜间和阴雨天均活动少;黄胸蓟马的种群动态不受香蕉作物品种和地理区域的影响,但与香蕉作物的生长期密切相关;年度消长规律呈现单峰型,香蕉进入花蕾期时,蓟马种群数量快速增长,盛花期时达到高峰,其余时期少有发生。聚集指标与Taylor回归法分析共同表明黄胸蓟马成虫在香蕉园的空间分布型为聚集式分布。性比调查发现黄胸蓟马在香蕉花蕾内的雌虫比例约为70%,表明该虫是一个雌性为主的种群。为揭示黄胸蓟马的灾变规律提供了基础数据,同时可为香蕉蓟马的适时与精准化监测预报及防治提供指导依据。
Thrips hawaiiensis(Morgan)(Thysanoptera:Thripidae),which originates in Oriental and Pacific regions,is one of the economically critical thrips pest.As T.hawaiiensis has a marked thigmokinetic behavior,invasive capacity,high fecundity,and a short life-cycle,it is a potential worldwide pest of numerous plants,such as mango,banana,citrus,tea,coffee,and many horticultural plants.At present,T.hawaiiensis is known to cause serious damages to all species of banana crops cultivated in China.In particular,the thrips has been a key pest of the banana crops at the flowering stage,leading to large annual economic losses because of yield reductions and management costs.Understanding the population dynamics of a particular pest is important to monitor and predict the occurrence of the pest,and then proposing a cost-effective and eco-friendly integrated pest management(IPM)strategy.To date,however,the life history characteristics of the field T.hawaiiensis population remain largely unknown.In the present study,field-based experiments were conducted to investigate the population activity,rhythm,dynamics,spatial distribution pattern,and sex ratio of T.hawaiiensis.Moreover,3 major banana planting areas,Chengmai of Hainan,Yulin of Guangxi,and Jinghong of Yunnan and 3 species of banana plants,Musa cavendish AAA,Musa acuminata Lour,and Musa paradisiaca AA were selected for the experiments.The blue-sticky cards and field survey were used for the experiments.All of these works were carried out from 2016 to 2018.Our results revealed that the adult T.hawaiiensis were active in the heights from 0.5 m to 15 m and most of the thrips were captured in the heights from 2 m to 6 m,indicating that the thrips population could be significantly correlated with the height.The field survey also revealed that T.hawaiiensis had a similar trend of daily activity rhythm in sunny-,cloudy-,and rainy-day,showing that the peak period was from 12:00 am to 16:00 pm.The thrips were not active at night and in the cloudy-,and rainy-day.The population dynamics of
作者
付步礼
夏西亚
邱海燕
李强
唐良德
张欣
曾东强
刘奎
FU Buli;XIA Xiya;QIU Haiyan;LI Qiang;TANG Liangde;ZHANG Xin;ZENG Dongqiang;LIU Kui(Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China;Wuxue Agricultural Bureau of Hubei Province, Wuxue 435400, China;Key Laboratory of Agricultural Environment and Agricultural Products Safety, Guangxi University, Nanning 530005, China)
出处
《生态学报》
CAS
CSCD
北大核心
2019年第13期4996-5004,共9页
Acta Ecologica Sinica
基金
国家重点研发计划(2017YFD0202100)
中央级科研院所基本业务费(2016hzs1J007)
中国热带农业科学院院级创新团队(1630042017010)
关键词
黄胸蓟马
香蕉
活动节律
种群动态
空间分布
害虫防治
Thrips hawaiiensis
banana
activity rhythm
population dynamics
spatial distribution
pest control
