光选择屏下菊花蚜虫种群密度的研究

Q4 Agricultural and Biological Sciences Agronomia Colombiana Pub Date : 2022-12-12 DOI:10.15446/agron.colomb.v40n3.103742
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引用次数: 1

摘要

菊花是世界上主要的观赏植物之一。它在市场上有很大的相关性。蚜虫是影响菊花作物的主要害虫,对菊花造成各种类型的危害。本研究旨在利用光选择筛选技术评价不同种植制度对切花菊花蚜虫种群密度的影响。该研究是在巴西Espírito Santo - Campus Itapina联邦研究所的一个试验区进行的,采用随机完全块设计,根据时间的分块方案。试验建立在3个长度为12 m的地块上,地块为3 m,包含不同的光选择屏(红色、银色和黑色)和对照处理(开阔地)。在0、15、30、45和60 d的不同时间进行重复评估。数据进行正态性和均方差检验,并提交Tukey检验(P<0.05)和用局部权平滑分散图的非参数方法(黄土回归)。无论光选择屏的颜色如何,与露天处理相比,菊花栽培中蚜虫的发生率均较低,平均降低84%。对于不同的采样时间,Tukey检验显示在评估期内蚜虫发病率平均值之间没有显着差异。在巴西东南部的环境条件下,黑色、红色和银色的光选择屏显著减少了Zembla品种菊花的蚜虫数量。
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Population density of aphids in chrysanthemums grown under photoselective screens
The chrysanthemum is one of the main ornamental species in the world. It has great relevance in the market. Aphids are the main pests that affect the chrysanthemum crop and cause various types of damage to this plant. The objective of this study was to evaluate the influence of different cropping systems using photoselective screens on the population density of aphids in cut chrysanthemum. The study was carried out in an experimental area of the Federal Institute of Espírito Santo – Campus Itapina (Brazil) in a randomized complete block design, according to the split-plot scheme over time. The experiment was established in 3 blocks of 12 m in length with plots of 3 m containing different photoselective screens (red, silver, and black) and the control treatment (open field). Repeated evaluations at different times were done at 0, 15, 30, 45, and 60 d. Data were checked for normality and homoscedasticity and submitted to the Tukey’s test (P<0.05) and a non-parametric method of smoothing a dispersion graph with local weight (LOESS regression). Regardless of the color of the photoselective screen, there was a lower incidence of aphids compared to the open field treatment in the chrysanthemum culture with an average reduction of 84%. For the different sampling times, the Tukey test did not show significant differences between the means of aphid incidence in the evaluated period. Black, red, and silver photoselective screens promoted significant reductions in aphid populations in chrysanthemums of the variety Zembla in the environmental conditions of southeastern Brazil.
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来源期刊
Agronomia Colombiana
Agronomia Colombiana Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
1.00
自引率
0.00%
发文量
9
审稿时长
25 weeks
期刊介绍: Agronomia Colombiana journal it is intended to transfer research results in different areas of tropical agronomy. Original unpublished papers are therefore accepted in the following areas: physiology, crop nutrition and fertilization, genetics and plant breeding, entomology, phytopathology, integrated crop protection, agro ecology, weed science, environmental management, geomatics, biometry, soils, water and irrigation, agroclimatology and climate change, post-harvest and agricultural industrialization, food technology, rural and agricultural entrepreneurial development, agrarian economy, and agricultural marketing (Published: Quarterly).
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