大气CO2浓度升高对西花蓟马生长发育及其寄主四季豆营养成分的影响

生态学杂志

大气CO₂浓度升高对西花蓟马生长发育及其寄主四季豆营养成分的影响

钱蕾¹,蒋兴川^1,2,刘建业¹,罗丽芬¹,桂富荣^1**

（¹云南农业大学植物保护学院，农业生物多样性与病虫害控制教育部重点实验室，昆明 650201； ^2安徽农业大学植物保护
学院，合肥 230036）

出版日期:2015-06-10 发布日期:2015-06-10

Effect of elevated CO₂ concentration on development of the western flower thrips, Frankliniella occidentalis (Thysanoptera: Thripidae) and nutrients of their host plant, Phaseolus vulgaris

QIAN Lei¹, JIANG Xing-chuan^1,2, LIU Jian-ye¹, LUO Li-fen¹, GUI Fu-rong^1**

(¹Key Laboratory for Agricultural Biodiversity and Pest Management of Ministry of Education, College of Plant Protection, Yunnan Agricultural University, Kunming 650201, China; ^2College of Plant Protection, Anhui Agricultural University, Hefei 230036, China)

Online:2015-06-10 Published:2015-06-10

摘要/Abstract

摘要：

为了阐明大气CO₂浓度升高对西花蓟马种群动态的影响，利用人工气候箱研究了CO₂浓度倍增条件下西花蓟马生长发育、繁殖及其寄主植物四季豆叶片营养成分的变化。结果表明：CO₂浓度升高显著影响了四季豆叶片的营养成分含量，其粗蛋白含量明显下降，而总糖、组织淀粉、可溶性蛋白和游离氨基酸含量却显著升高。与对照CO₂浓度（400 μL·L^-1）相比，800 μL·L^-1 CO₂浓度处理下的西花蓟马卵期、1龄若虫期、2龄若虫期的发育历期均显著缩短，而单雌平均产卵量增加了9.74%（P<0.05）。高CO₂浓度处理下西花蓟马的净生殖率（R₀）、内禀增长率（r_m）、周限增长率（λ）比对照依次升高了7.40%、8.86%和1.32%（P<0.05）；而平均世代周期（T）、种群加倍时间（DT）比对照分别降低了1.42和0.38 d（P<0.05）。西花蓟马R₀、r_m、λ与四季豆粗蛋白含量呈显著负相关，而与总糖/粗蛋白、淀粉呈显著正相关；西花蓟马T、DT与四季豆粗蛋白含量呈显著正相关，而与总糖/粗蛋白、淀粉、游离氨基酸呈显著负相关。说明未来高CO₂浓度的大气环境会改变四季豆叶片的营养成分，并影响西花蓟马的生长发育与繁殖。

关键词: 森林, 组成, 树种, 科间关联, 分布

Abstract: To investigate the effects of elevated atmospheric CO₂ concentration on population dynamics of the western flower thrips (Frankliniella occidentalis) and their host plant, kidney bean (Phaseolus vulgaris), this paper measured the growth, development duration and reproduction of the thrips and the leaf nutrients of their host plant in two different CO₂ concentration chambers (800 vs. 400 μL·L^-1). The results indicated that the elevated CO₂ concentration changed the nutritional ingredients of kidney bean leaves, which affected the growth, development, reproduction of F. occidentalis. High CO₂ concentration significantly reduced the leaf gross crude protein contents (GP) of kidney bean; however, the contents of total saccharides (TSCs), starch, and soluble protein and free amino acids of leaves were significantly enhanced. Compared with the control (400 μL·L^-1 CO₂), the egg stage, 1st instar larva stage, 2nd instar larva stage of F. occidentalis were significantly decreased in the doubled CO₂ concentration treatment (800 μL·L^-1 CO₂), yet the oviposition rate of individual female increased by 9.74% (P<0.05). Under the higher CO₂ concentration, the net reproductive rate (R₀), intrinsic increase rate (r_m), increase rate per unit (λ) of F. occidentalis were increased by 7.40%, 8.86% and 1.32%, respectively (P<0.05). Compared with the thrips in 400 μL·L^-1 CO₂ concentration chambers, the generation time (T) and the time of doubling population size (DT) of those in 800 μL·L^-1 CO₂ concentration decreased by 1.42 and 0.38 d, respectively (P<0.05). R₀, r_m and λ of F. occidentalis were proved to have negative correlation with the content of gross crude protein and positive correlation with TSCs/GP and starch of kidney bean leaf. In contrast, T, DT of F. occidentalis had significant positive correlation with the content of gross crude protein of P. vulgaris, and negative correlations were observed among T, DT of F. occidentalis and TSCs/GP, starch, free amino acids in leaf of P. vulgaris.

Key words: distribution, tree species, association between families., composition, forest

钱蕾1,蒋兴川1,2,刘建业1,罗丽芬1,桂富荣1**. 大气CO₂浓度升高对西花蓟马生长发育及其寄主四季豆营养成分的影响[J]. 生态学杂志.

QIAN Lei1, JIANG Xing-chuan1,2, LIU Jian-ye1, LUO Li-fen1, GUI Fu-rong1**. Effect of elevated CO₂ concentration on development of the western flower thrips, Frankliniella occidentalis (Thysanoptera: Thripidae) and nutrients of their host plant, Phaseolus vulgaris[J]. cje.

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大气CO₂浓度升高对西花蓟马生长发育及其寄主四季豆营养成分的影响

Effect of elevated CO₂ concentration on development of the western flower thrips, Frankliniella occidentalis (Thysanoptera: Thripidae) and nutrients of their host plant, Phaseolus vulgaris

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