Whole-plant CO2 exchange measurements on azaleas injured by azalea lace bug (Heteroptea: Tingidae) feeding

被引：7

作者：

Klingeman, WE ^{[1
]}

Van Iersel, MW ^{[1
]}

Buntin, GD ^{[1
]}

Braman, SK ^{[1
]}

机构：

[1] Univ Georgia, Georgia Stn, Dept Entomol, Griffin, GA 30223 USA

来源：

JOURNAL OF ECONOMIC ENTOMOLOGY | 2000年 / 93卷 / 02期

关键词：

Stephanitis pyrioides; azalea lace bug; Rhododendron; photosynthesis; respiration; carbon use efficiency;

D O I：

10.1603/0022-0493-93.2.352

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

Whole-plant gas exchange was measured continuously for 24 h on rooted cuttings of Girard's 'Pleasant White' azaleas. Azalea treatments were azalea lace Lug, Stephanitis pyrioides (Scott), feeding injury levels that averaged 6, 13, or 31% leaf-area injury throughout the plant canopies. Gas exchange parameters, including net photosynthesis, dark respiration, carbon use efficiency, and growth, were compared with undamaged control plants. Responses of Girard's 'Pleasant White' azaleas suggested that azaleas were tolerant of lace bug feeding injury levels above the aesthetic threshold. Azalea tolerance can be incorporated into an integrated management plan to reduce chemical inputs into the urban landscape.

引用

页码：352 / 356

页数：5

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