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  • 1
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    Do tissue carbon and nitrogen limit population growth of weevils introduced to control waterhyacinth at a site in the Sacramento-San Joaquin Delta, California? (2021)
    In:  http://aquaticcommons.org/id/eprint/1696 | 123 | 2011-09-29 20:11:13 | 1696 | Aquatic Plant Management Society, Inc.
    Details
    Publication Date: 2021-07-09
    Description: Waterhyacinth (Eichhornia crassipes(Mart.) Solms), is a serious problem in the Sacramento Delta. Two weevil species(Neochetina bruchi Hustache and N. eichhorniaeWarner) have been introduced as biological control agents. The purpose of this study was to test the hypothesis that nitrogen (N) in the tissue of waterhyacinth was not sufficient to support weevil growth and reproduction. Because it grows better on plants with high N content and because it has a greater impact on the growth of high N plants, N. bruchi may be a more effective biological control agent in the Sacramento Delta.
    Keywords: Ecology ; Biology ; aquatic weeds ; Eichhornia crassipes ; tissue nitrogen ; biological control ; weed biology ; Sacramento Delta
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 45-48
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  • 2
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    Seasonal Growth of Waterhyacinth in the Sacramento/San Joaquin Delta, California (2021)
    In:  http://aquaticcommons.org/id/eprint/1611 | 3 | 2011-09-29 20:18:03 | 1611 | Aquatic Plant Management Society, Inc.
    Details
    Publication Date: 2021-07-09
    Description: Waterhyacinth (Eichhornia crassipes(Mart.) Solms), is a seriousproblem in the Sacramento/San Joaquin Delta, California.There is little published information on its phenology orseasonal growth in this system. Waterhyacinths were sampledat 2 to 3 week intervals from November, 1995 to July, 1997and the following measurements were made on individualplants: dry weight, height, number of living leaves, number ofdead leaves, and the width of the largest lamina. (PDF has 4 pages.)
    Keywords: Management ; Biology ; Limnology ; aquatic weeds ; Eichhornia crassipes ; phenology ; integrated control ; weed biology ; Sacramento/San Joaquin Delta ; California ; water hyacinth
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 91-94
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