马地黄对黄甘蔗蚜虫的抗性与温度和降雨量的关系

Q4 Agricultural and Biological Sciences

Journal of Agriculture of The University of Puerto Rico Pub Date : 2021-01-01 DOI:10.46429/jaupr.v56i1.10884

A. J. Oakes, A. Sierra-Bracero

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引用次数: 2

摘要

黄连属植物对甘蔗黄蚜(Sipha flava, Forbes)存在差异抗性。在种间变异的基础上，估计种间的抗性差异。不同种类的无性系对蚜虫的抗性存在差异。在种内变异的基础上，预计种内无性系之间的抗虫性差异。本试验确定了抗虫性较好的无性系。物种内表型的优越表现被物种的平均表现所掩盖。鉴定前28天的降雨日数和平均气温与抗虫等级呈显著负相关。计算了物种平均行为的模型;它包括根据评级前28天间隔内的阴雨天数和平均温度预测的虫害。该模型约占目前变化的66%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Resistance in Digitaria to Yellow Sugarcane Aphid, Sipha flava (Forbes) as Related to Temperature and Rainfall

Differential resistance to yellow sugarcane aphid, Sipha flava (Forbes), exists among Digitaria species. Differential resistance among species is expected on the basis of interspecific variation. Differential resistance to aphid damage exists among clones within species. Differences in insect resistance among clones within species are expected on the basis of intraspecific variation. Clones superior in insect resistance were delineated in this trial. The superior performance of phenotypes within species is masked by the average performance of the species. Significant negative correlations were found between insect resistance ratings and the number of rainy days and average temperature during a 28-day interval prior to rating. A model was calculated for the average behavior of species; it includes infestation expected on the basis of the number of rainy days and average temperature during the 28-day interval before rating. The model accounted for approximately 66 percent of the variability present.

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来源期刊

Journal of Agriculture of The University of Puerto Rico 农林科学-农业综合

CiteScore

0.20

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： The Journal of Agriculture of the University of Puerto Rico issued biannually by the Agricultural Experiment Station of the University of Puerto Rico, Mayagüez Campus, for the publication of articles and research notes by staff members or others, dealing with scientific agriculture in Puerto Rico and elsewhere in the Caribbean and Latin America.