利用性信息素诱捕器和度日法预测桃园斑笔蚜(Busck)和斑小蛾(Fischer von Röslerstamm)的季节性种群动态及其在害虫防治中的意义

IF 3.5 Q1 AGRONOMY
He Zhang, Aihong Ma, Hongfan Ran, Xiaofan Yang, Jianbo Hao, Jianfeng Zhang, Huijie Li, Zihang Yu, Xiaoxi Wang, Xiong Zhao He, Jiancheng Li
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引用次数: 0

摘要

果园鳞翅目蛾的成功管理通常取决于对成虫活动的准确预测。然而,飞蛾的季节物候因作物品种和年份而异,因此很难安排防治措施。采用性信息素诱捕器,连续3年监测了不同品种桃园东方果蛾和夏果蛾的雄性飞行活动。我们开发了一个逻辑多峰模型来拟合数据,然后计算了男性活动和新生儿急诊所需的天数(DD)。结果表明,毛斑姬鹟和灰腹腹姬鹟的雄性年飞行高峰分别为4 ~ 5次和3次。在一年中,不同品种间的飞行高峰出现的时间基本一致。2个月的飞行活动通常在第2峰和第3峰较高,累计捕获雄斑姬鼠的数量高于橙斑姬鼠。相较于斑胸草虻,斑胸草虻在春季出现较早,需要较短的时间才能达到随后的飞行高峰和新生儿紧急情况。结果表明,为了降低越冬蛾在生长季节爆发的可能性,应在4月和5月中旬、6月上旬分别设置信息素诱捕器,其累积DD值在49.6 ~ 207.1和450.4 ~ 866.7之间,以诱捕果园内新出现的雄性成虫或干扰雌性越冬蛾的交配成功。根据卵孵化的热需要量(黄斑姬蜂79.4 DD,橙斑姬蜂90.0 DD),建议在4月下旬~ 5月上旬和5月下旬~ 6月上旬分别施用杀虫剂,降低黄斑姬蜂和橙斑姬蜂幼仔的田间种群密度,减少果园果实危害。另外,在7月下旬~ 8月上旬(573.8 ~ 1025.2 DD)和9月中旬(1539.7 ~ 1788.9 DD)设置信息素诱捕器,可有效抑制越冬种群,从而减少来年害虫的发生。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Prediction of seasonal population dynamics of Grapholita molesta (Busck) and Adoxophyes orana (Fischer von Röslerstamm) in peach orchards using sex pheromone trap and degree-days and its implications in pest management
The successful management of lepidopteran moths in orchards usually depends on the precise forecast of adult activity. However, the seasonal phenology of moths varies between crop cultivars and years, making it difficult to schedule the control measures. Here, we monitored male flight activity of oriental fruit moth Grapholita molesta and summer fruit tortrix moth Adoxophyes orana by using sex pheromone traps in peach orchards of three different cultivars for three successive years. We developed a logistic multiple-peaks model to fit data and then calculated degree-days (DD) required for male activity and neonate emergency. Results show that G. molesta and A. orana males had 4–5 and 3 flight peaks per year, respectively. The seasonal phenology of G. molesta or A. orana was quite stable with an identical timing of each flight peak between cultivars in a year. The flight activity was usually higher in the second and third peaks for both moths, with a higher cumulative number of G. molesta males captured than that of A. orana . Compared to A. orana , G. molesta emerged early in spring and required lower degree-days to reach the subsequent flight peaks and for neonate emergency. Our results suggest that to decline the possibility of outbreaks of moths during the growing seasons, pheromone traps should be scheduled in April with a cumulative DD between 49.6 and 207.1 for G. molesta and in mid-May–early June with a cumulative DD between 450.4 and 866.7 for A. orana , aiming to trap the newly emerged male adults or disrupting female mating success of overwintered moths in orchards. Based on the thermal requirement for egg hatching (i.e., 79.4 DD for G. molesta and 90.0 DD for A. orana ), insecticide treatments would be applied in late-April–early May and late May–early June to reduce the field population density of neonates of G. molesta and A. orana , respectively, to reduce fruit damage in orchards. Furthermore, pheromone traps set up in late July–early August (573.8–1025.2 DD) for G. molesta and in mid-September (1539.7–1788.9 DD) for A. orana may suppress overwintering populations and thus decrease pest infestation in next year.
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来源期刊
Frontiers in Agronomy
Frontiers in Agronomy Agricultural and Biological Sciences-Agricultural and Biological Sciences (miscellaneous)
CiteScore
4.80
自引率
0.00%
发文量
123
审稿时长
13 weeks
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