美国白蛾危害前后树木蛋白质含量与抗虫性关系

生态学杂志

美国白蛾危害前后树木蛋白质含量与抗虫性关系

王秋芬^1,2**,胡启蒙^1,2,吝亚杰¹,宇文杏¹,刘婷婷¹,白会聪¹,林胜男^1

(¹廊坊师范学院生命科学学院，河北廊坊 065000； ²河北省高校食药用菌应用技术研发中心，河北廊坊 065000)

出版日期:2015-10-10 发布日期:2015-10-10

Relationship between protein content and resistance of tree species factitiously infected by Hyphantria cunea (Lepidoptera: Arctiidae).

WANG Qiu-fen^1,2**, HU Qi-meng^1,2, LIN Ya-jie¹, YU Wen-xing¹, LIU Ting-ting¹, BAI Hui-cong¹, LIN Sheng-nan¹

(¹College of Life Science, Langfang Teachers University, Langfang 065000, Hebei, China; ²Edible and Medicinal Fungi Research and Development Center of Hebei Universities, Langfang 065000, Hebei, China)

Online:2015-10-10 Published:2015-10-10

摘要/Abstract

摘要： 以廊坊市主要园林绿化树种白蜡（Fraxinus chinensis Rosb.）、法国梧桐（Platanus orientalis L.）、桑树（Morus alba L.）、臭椿（Ailanthus altissima (Mill.) Swingle）、毛白杨（Populus tomentosa Carr.）和香椿（Toona sinensis (A. Juss.) Roem.）为目标树种，于2014年9月在其3年生林地中进行美国白蛾（Hyphantria cunea (Drury)）人工接种试验，并用目标树种的离体叶片饲喂美国白蛾的幼虫，统计其食叶量，同时测定目标树种非自然侵染前后可溶性蛋白质含量的变化。结果表明：美国白蛾对目标树种取食量的高低顺序为桑树＞法国梧桐＞臭椿＞白蜡＞毛白杨＞香椿；美国白蛾取食2、4、6、8、10 d后，对美国白蛾抗性低的桑树、法国梧桐、臭椿、白蜡的可溶性蛋白质含量呈现先上升后下降的趋势，而对美国白蛾抗性高的毛白杨体内蛋白质含量首先表现出降低趋势，但二者均表现为被持续取食10 d后体内蛋白质含量低于取食前和对照；表明不同树种（耐虫和感虫）受美国白蛾侵害后蛋白质含量变化规律不同，抗虫性高低与蛋白质含量的高低没有对应关系。

关键词: 生态种组, 植物群落, 中度退化天坑, 种间关系

Abstract: In September 2014, an experiment of factitious infection by Hyphantria cunea (Drury) (Lepidoptera: Arctiidae) was done in 3-year-old woodland of target garden greening tree species, namely Fraxinus chinensis Rosb., Platanus orientalis L., Morus alba L., Ailanthus altissima (Mill.) Swingle, Populus tomentosa Carr., Toona sinensis (A. Juss.) Roem in Langfang, Hebei. The larvae of H. cunea were reared on leaves of the target species under laboratory conditions. Leaf consumption and changes of soluble protein content before and after factitious infection by H. cunea were measured. The results indicated that the order of leaf consumption by H. cunea was arranged as M. Alba > Pl. orientalis > A. altissima > F. chinensis > P. tomentosa > T. sinensis. The soluble protein content ascended firstly and then descended in target species M. alba, Pl. orientalis, A. altissima and F. Chinensis with low resistance to H. cunea, but it descended firstly in P. tomentosa with high resistance to H. cunea after 2, 4, 6, 8, 10 days of feeding, respectively; but these protein contents on day 10 were lower than that before feeding by H. cunea and of the control. The results demonstrated that the effect of H. cunea on protein contents of target species varied with the extent of tree species tolerance to the moths. The resistance of trees to H. cunea was insignificantly correlated with protein content.

Key words: plant community, moderately degraded tiankeng, ecological species group., interspecific relationship

王秋芬1,2**,胡启蒙1,2,吝亚杰1,宇文杏1,刘婷婷1,白会聪1,林胜男1. 美国白蛾危害前后树木蛋白质含量与抗虫性关系[J]. 生态学杂志.

WANG Qiu-fen1,2**, HU Qi-meng1,2, LIN Ya-jie1, YU Wen-xing1, LIU Ting-ting1, BAI Hui-cong1, LIN Sheng-nan1. Relationship between protein content and resistance of tree species factitiously infected by Hyphantria cunea (Lepidoptera: Arctiidae).[J]. cje.

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