Population dynamics of fruit flies and correlation matrix with weather and host variables in mango (Mangifera indica) orchards

IF 0.3 4区 农林科学 Q4 AGRICULTURE, MULTIDISCIPLINARY Indian Journal of Agricultural Sciences Pub Date : 2023-10-09 DOI:10.56093/ijas.v93i10.138967
MEGHA R, SANJAY K SINGH, MANISH SRIVASTAV, VINAY KALIA, NIMISHA SHARMA, CHAVLESH KUMAR, NARENDRA SINGH
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Abstract

The present study was carried out in the Mango orchards at Indian Agricultural Research Institute, New Delhi during 2020–2021 and 2021–2022 and aimed at analysing the population dynamics of fruit fly (Bactrocera dorsalis) species after putting the requisite number of methyl eugenol traps (@6 per acre). Weekly monitoring of fruit fly populations was performed and correlated with various weather parameters. Among the fruit fly species, the oriental fruit fly was found to be the most prevalent and abundant, followed by B. zonata, B. correcta, and B. cucurbitae. Fruit fly populations peaked in mango plantations between June and July, coinciding with the ripening time and the occurrence of humid conditions and rainfall. Multiple factors, including weather conditions, the presence of preferred host plants, and alternative hosts, fruits characteristics were found to influence the dynamics of fruit fly populations. The seasonal trap captures of male fruit flies showed a moderately significant negative correlation (-0.612*) with maximum but significant positive correlation with the minimum temperature (0.701**). However, a positive correlation was observed between relative humidity (r = 0.924**) and rainfall (r = 0.721**) with the fluctuations of fruit fly populations across all the monitored orchard sites.
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芒果果园果蝇种群动态及其与天气和寄主变量的相关矩阵
本研究于2020-2021年和2021-2022年期间在新德里印度农业研究所的芒果果园进行,旨在分析在放置必要数量的甲基丁香酚陷阱(每英亩6个)后果蝇(小实蝇)物种的种群动态。每周对果蝇种群进行监测,并与各种天气参数相关联。在果蝇种类中,以东方果蝇最常见、数量最多,其次为带蝇、正确蝇和葫芦蝇。芒果种植园的果蝇数量在6月至7月达到高峰,与成熟时间、潮湿条件和降雨的发生一致。研究发现,天气条件、首选寄主植物的存在、替代寄主植物的存在、果实特性等多种因素都会影响果蝇种群的动态。季节诱蝇器捕获雄性果蝇与最低气温呈中极显著负相关(-0.612*),与最低气温呈显著正相关(0.701**)。相对湿度(r = 0.924**)和降雨量(r = 0.721**)与果蝇种群波动呈显著正相关。
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来源期刊
Indian Journal of Agricultural Sciences
Indian Journal of Agricultural Sciences 农林科学-农业综合
CiteScore
0.80
自引率
25.00%
发文量
273
审稿时长
6 months
期刊介绍: The Indian Journal of Agricultural Sciences publishes papers concerned with the advancement of agriculture throughout the world. It publishes original scientific work related to strategic and applied studies in all aspects of agricultural science and exploited species, as well as reviews of scientific topics of current agricultural relevance. Specific topics of interest include (but are not confined to): genetic resources, all aspects of crop improvement,crop production,crop protection, physiology, modeling of crop systems, the scientific underpinning of agronomy, engineering solutions, decision support systems, land use, environmental impacts of agriculture and forestry, impacts of climate change, rural biodiversity, experimental design and statistical analysis, the application of new analytical and study methods (including molecular studies) and agricultural economics. The journal also publishes book reviews. Articles are accepted on the following broad disciplines: Agric. Engineering & Technology, Agric. Social & Economic Sci., Agronomy, Biometry, Biosciences, Cytology, Ecology, Environmental Sciences, Fertilization, Forestry , Genetics, Horticultural Sciences, Microbiology, Pest, Weed Control etc., Molecular Biology, Plant Pathology, Plant Breeding, Physiology and Biochemistry, Soil Sciences, Special Cultivation Technology, Stress Breeding, Agric. extension, and Cell Biology.
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