| 柑桔锈螨对柑桔的为害及防治指标的初步研究 |
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| 引用本文： | 黄方能,李隆术,陈杰林. 柑桔锈螨对柑桔的为害及防治指标的初步研究[J]. 植物保护学报, 1992, 19(3): 223-230 |
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| 作者姓名： | 黄方能 李隆术 陈杰林 |
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| 作者单位： | 西南农业大学植物保护系, 重庆,西南农业大学植物保护系, 重庆,西南农业大学植物保护系, 重庆 |
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| 摘 要： | 本文就柑桔锈螨[Phyllocoplruta oleivora (Ashm。)]对柑桔的为害及经济损失进行研究。方差分析结果表明,不同受害面积和不同锈斑颜色的叶片叶绿素含量有显著或极显著差异。果实锈斑颜色级别与果重、果实大小及糖、酸、Vc、糖酸比等营养成分含量也存在显著或极显普差异。被害时间越早,锈螨发生量及叶、果受害面积越大,落果和裂果率越高,果实直径越小、果重越轻。应用该螨的种群动态及其为害引起的产量及经济损失资料,建立该螨的动态防治指标模型。并利用1986年四川开县调查数据,获得一组双因子防治指标系列。
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| 关 键 词： | 柑桔 锈螨 为害 防治指示 害虫 |
A PRELIMINARY STUDY ON THE DAMAGE AND ACTION THRESHOLD OF CITRUS RUST MITE TO CITRUS |
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| Huang Fangneng,Li Lungshu and Chen Jielin. A PRELIMINARY STUDY ON THE DAMAGE AND ACTION THRESHOLD OF CITRUS RUST MITE TO CITRUS[J]. Acta Phytophylacica Sinica, 1992, 19(3): 223-230 |
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| Authors: | Huang Fangneng Li Lungshu Chen Jielin |
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| Affiliation: | Department of Plant Protection, Southwest Agricultural University, Chongqing,Department of Plant Protection, Southwest Agricultural University, Chongqing and Department of Plant Protection, Southwest Agricultural University, Chongqing |
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| Abstract: | In this paper,the effects of injury caused by citrus rust mite Phyllocoptruta Oleivora(Ashm.) on the yield,quality and economic loss of citrus were studied in 1985-1986.The results showed that there were significant or highly significant differences among the chlorophyll contents of the citrus leaves beared different size of injured area and colours of rust blotches,and among different rust colour levels on citrus fruits and their qualities such as the weight,diameter and nutri-tion contents(sugar,acid,Vc,etc.). |
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| Keywords: | citrus Phyllocoptruta oleivora damage economic threshold |
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