四种药剂对朱红毛斑蛾幼虫室内药效测定
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摘要
榕属Ficus spp.植物是我国南方城市主要绿化行道树,近年局部地区发生朱红毛斑蛾Phauda flammans Walker危害。室内测定4种药剂对朱红毛斑蛾3~5龄幼虫的杀灭效果。结果表明:1 000倍48%毒死蜱和1 000倍1. 2%烟碱·苦参碱能够在24 h后对朱红毛斑蛾起到杀灭效果,最高死亡率分别为59. 74%和69. 61%,二者半致死浓度(LC50)分别为稀释154. 47倍(3. 11 mg/L)和2 864. 07倍(0. 004 mg/L)。6%阿维·氯苯酰起效慢,72 h后死亡率可达100%,生物农药苏云金杆菌(Bt,32 000 IU/mg)致死能力较弱。结合害虫综合治理和环境生态保护的实际情况,建议使用1. 2%烟碱·苦参碱对生态敏感区域朱红毛斑蛾幼虫进行防治。
Ficus spp. is the main Alee tree of the southern cities. In recent years,the forest pest P. flammans has been outbroken in part of southern China. The poisoning efficacy tests were conducted under laboratory condition to test four different pesticides agamst P. flammans in 3 rd to 5 th instar. The result showed that 1 000 times diluted chlorpyrifos 48% EC and nicotine·matrine 1. 2% SL could take effect within 24 h with the mortality of 59. 74 % and 69. 61% respectively. The LC50 were diluted 154. 47 times and 2 864. 07 times. The mortality was obtained 100% only after 72 h in avermectin·chlorantianiliprde 6% SC treated group. Bt couldn't provide efficacious control for P. flammans. Considering the situation of integrated pest management and environment protection,nicotine·matrine is recommended to use for P. flammans in ecologically sensitive areas.
Ficus spp. is the main Alee tree of the southern cities. In recent years,the forest pest P. flammans has been outbroken in part of southern China. The poisoning efficacy tests were conducted under laboratory condition to test four different pesticides agamst P. flammans in 3 rd to 5 th instar. The result showed that 1 000 times diluted chlorpyrifos 48% EC and nicotine·matrine 1. 2% SL could take effect within 24 h with the mortality of 59. 74 % and 69. 61% respectively. The LC50 were diluted 154. 47 times and 2 864. 07 times. The mortality was obtained 100% only after 72 h in avermectin·chlorantianiliprde 6% SC treated group. Bt couldn't provide efficacious control for P. flammans. Considering the situation of integrated pest management and environment protection,nicotine·matrine is recommended to use for P. flammans in ecologically sensitive areas.
引文
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[2]刘俊延,马仲辉,吴塞逸,等.朱红毛斑蛾嗜食性的研究[J].环境昆虫学报,2016,38(5):924-930.
[3] ZHENG XL,LIU J Y,HUANG Z Y,et al. Cold hardiness of Phauda flammans(Lepidoptera:Zygaenidae)larvae[J]. Entomologica Fennica,2017,28(1):9-15.
[4] ZHENG XL,LI J,LIU J Y,et al. Ecological and morphological characteristics of parasitoids in Phauda flammans(Lepidoptera,Zygaenidae)[J]. Parasite,2015,22(1):36.
[5]张敏恒,赵平,严秋旭,等.新烟碱类杀虫剂市场与环境影响[J].农药,2012,51(12):859-862.
[6]王川,周巧红,吴振斌.有机磷农药毒死蜱研究进展[J].环境科学与技术,2011,34(7):123-127.
[7]丁新华,刘芳慧,解玉梅,等.新疆荒漠绿洲生态区玉米螟田间药效研究及经济效益评价[J].新疆农业科学,2016,53(4):663-672.
[8]丁新华,王娜,王小武,等.小型无人机超低量喷雾防治玉米螟田间药效评价[J].新疆农业科学,2017,54(3):479-488.
[9]赵小燕,杨燕. 6%阿维·氯苯酰SC(亮泰)对稻纵卷叶螟的防效及保叶效果评价[J].上海农业科技,2016,18(3):127.
[10]王晓娜.生物农药的推广应用前景[J].湖北植保,2014,21(1):62-64.
[11]章龙.厦门蚊种调查与白纹伊蚊种群构建及其生物学特征和毒理学的研究[D].厦门:厦门大学,2009.
[12]武怀恒,万鹏,黄民松.毒力回归计算方法及相应软件使用介绍[J].安徽农业科学,2014,42(27):9335-9338.
[13]杨崇慧,阎伟,刘丽,等. 5种药剂对椰子木蛾的室内毒力测定[J].中国农学通报,2015,31(13):191-195.