Influence of climate factors on population density and damage of the leopard moth, Zeuzera pyrina L., in walnut orchards, Iran.

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Bulletin of Entomological Research Pub Date : 2023-12-01 Epub Date: 2023-10-19 DOI:10.1017/S0007485323000470
Zarir Saeidi, Hadi Zohdi, Mohammad Hasan Besharat-Nejad, Mazaher Yusefi
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Abstract

The effect of climate factors (temperature, humidity, precipitation, and frost days) on the population changes, damage, and infestation area of the leopard moth, Zeuzera pyrina L., was studied during 2006-2018 in four parts of Iran including Saman, Arak, Najaf-abad, and Baft. For trend analysis, the Mann-Kendall test was run on time series data of both climate and pest population. According to the results, the annual mean (Kendall's statistics, T = 0.64 and 0.48), annual minimum (T = 0.60 and 0.42), and January mean (T = 0.64 and 0.61, respectively) temperatures showed increasing trends in Saman and Najaf-abad. Moreover, the annual mean minimum and January temperatures (T = 0.41 and 0.45, respectively) in Arak and the annual mean maximum temperature (T = 0.79) in Baft showed increasing trends. The number of frost days/year (Kendall's statistics, T = -0.63, -0.53, -0.32 and -0.37) and annual mean relative humidity (T = -0.43, -0.63, -0.64 and -0.42, respectively) showed decreasing trends in Saman, Arak, Baft, and Najaf-abad stations. Trend analysis indicated significant increases in the mean number of moths caught (T = 0.59, 0.76 and 0.90), the percentage of infested branches/tree (T = 0.66, 0.58, and 0.90), the number of active holes/tree (T = 0.79, 0.55, and 0.68) and the infested areas (T = 0.99, 0.73, and 0.98, respectively) in Saman, Arak and Najaf-abad stations. According to stepwise regression, the mean temperatures of January, autumn, and winter were the most effective variables for increasing Z. pyrina damage and population, while relative humidity and the number of frost days played the major role in reducing it.

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气候因素对伊朗核桃园豹蛾种群密度和危害的影响。
2006-2018年,在伊朗萨曼、阿拉克、纳贾夫·阿巴德和巴弗特四个地区研究了气候因素(温度、湿度、降水量和霜冻天数)对豹蛾Zeuzera pyrina L.种群变化、危害和侵扰面积的影响。为了进行趋势分析,对气候和害虫种群的时间序列数据进行了Mann-Kendall测试。根据结果,萨曼和纳贾夫·阿巴德的年平均气温(肯德尔统计,T=0.64和0.48)、年最低气温(T=0.60和0.42)和1月平均气温(分别为T=0.64、0.61)呈上升趋势。此外,阿拉克的年平均最低气温和1月平均气温(分别为T=0.41和0.45)以及巴弗特的年平均最高气温(T=0.79)呈上升趋势。Saman、Arak、Baft和Najaf-abad站的霜冻天数/年(Kendall统计,T=-0.63、-0.53、-0.32和-0.37)和年平均相对湿度(分别为T=-0.43、-0.63、-0.64和-0.42)呈下降趋势。趋势分析表明,在Saman、Arak和Najaf-abad站,平均捕获蛾类数量(T=0.59、0.76和0.90)、受感染树枝/树的百分比(T=0.66、0.58和0.90、活跃洞/树的数量(T=0.79、0.55和0.68)和受感染面积(分别为T=0.99、0.73和0.98)显著增加。逐步回归分析表明,1月、秋季和冬季的平均气温是增加黄颡鱼危害和种群数量的最有效变量,而相对湿度和霜冻天数是减少黄颡虫危害和种群的主要因素。
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来源期刊
CiteScore
4.00
自引率
0.00%
发文量
160
审稿时长
6-12 weeks
期刊介绍: Established in 1910, the internationally recognised Bulletin of Entomological Research aims to further global knowledge of entomology through the generalisation of research findings rather than providing more entomological exceptions. The Bulletin publishes high quality and original research papers, ''critiques'' and review articles concerning insects or other arthropods of economic importance in agriculture, forestry, stored products, biological control, medicine, animal health and natural resource management. The scope of papers addresses the biology, ecology, behaviour, physiology and systematics of individuals and populations, with a particular emphasis upon the major current and emerging pests of agriculture, horticulture and forestry, and vectors of human and animal diseases. This includes the interactions between species (plants, hosts for parasites, natural enemies and whole communities), novel methodological developments, including molecular biology, in an applied context. The Bulletin does not publish the results of pesticide testing or traditional taxonomic revisions.
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