| 苹果砧木对南京毛刺线虫的抗性机制初探 |
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| 引用本文： | 翟衡,郝玉金,王寿华. 苹果砧木对南京毛刺线虫的抗性机制初探[J]. 植物保护学报, 1999, 26(3): 209-212 |
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| 作者姓名： | 翟衡 郝玉金 王寿华 |
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| 作者单位： | 广西国营九曲湾农场，广西国营九曲湾农场，广西国营九曲湾农场，广西国营九曲湾农场 南宁 530024，南宁 530024，南宁 530024，南宁 530024 |
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| 摘 要： | 根据荔枝害虫群落内部物种的组成和数量，采用群落的几个参数进行分析和探讨群落内部的演变规律。结果表明，在南宁市郊为害荔枝的害虫有７目３０科７６属８３种。初步确定优势种为１４种。优势度指数每年３－９月Ｄ值高达０．８以上。
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| 关 键 词： | 荔枝 害虫 群落 多样性 优势性 结构 |
PRELIMINARY STUDY ON THE RESISTANCE MECHANISM OF APPLE ROOTSTOCK TO A STUBBY ROOT NEMATODE |
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| Zhai Heng,Hao Yujin and Wang Shouhua. PRELIMINARY STUDY ON THE RESISTANCE MECHANISM OF APPLE ROOTSTOCK TO A STUBBY ROOT NEMATODE[J]. Acta Phytophylacica Sinica, 1999, 26(3): 209-212 |
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| Authors: | Zhai Heng Hao Yujin Wang Shouhua |
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| Affiliation: | Department of Horticulture, Shandong Agricultural University, Tai''an 271018,Department of Horticulture, Shandong Agricultural University, Tai''an 271018 and Department of Plant Pathology, China Agricultural University, Beijing |
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| Abstract: | A number of community parameters were used to analyse and explore the succession regularity in the pest community of lichee orchard. There are 83 species of lichee pests belong to 76 genera, 30 families and 7 orders, in which some 14 species were dominant. The dominance index D was highest in March to September (>0. 8), and the diversity index H' was highest in May-June (4. 1), and lowest in February (0. 95). The main factors affecting on the community structure and dynamics of the pests were the biological characters of pests, age of lichee tree, climates and ecological circumstance of the orchard. |
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| Keywords: | lichee pest community diversity dominance |
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