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Does water hyacinth (Eichornia crass...

Soti, Pushpa G.

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Does water hyacinth (Eichornia crassipes) compensate to defoliation? Implications for effective biocontrol.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Does water hyacinth (Eichornia crassipes) compensate to defoliation? Implications for effective biocontrol./
Author:	Soti, Pushpa G.
Description:	25 p.
Notes:	Adviser: John Volin.
Contained By:	Masters Abstracts International46-05.
Subject:	Biology, Ecology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1452607
ISBN:	9780549508472

Does water hyacinth (Eichornia crassipes) compensate to defoliation? Implications for effective biocontrol.
Soti, Pushpa G.

Does water hyacinth (Eichornia crassipes) compensate to defoliation? Implications for effective biocontrol. - 25 p.

Adviser: John Volin.

Thesis (M.S.)--Florida Atlantic University, 2008.

The aim of this study was to determine the effects of nutrient supply and artificial defoliation on the growth rate of water hyacinth. The plants were subjected to two levels of nutrient (high and low) and three levels (0%, 10% and 80%) of defoliation treatment. The effect of the nutrient and repeated defoliation treatments was determined after six weeks. Ten percent defoliation did not show any significant difference from control plants in biomass allocation or relative growth rate (RGR) in either nutrient concentration, while 80% defoliation caused a significant decrease in the final RGR under high and low nutrient treatments. High nutrient treatment resulted in higher RGR and allocation to asexual reproduction, resulting in higher biomass accumulation compared to the low nutrient treatment, which had higher root growth and allocation to sexual reproduction. My data provide evidence that water hyacinth can fully compensate to low levels of defoliation.

ISBN: 9780549508472Subjects--Topical Terms:

1017726
Biology, Ecology.

Does water hyacinth (Eichornia crassipes) compensate to defoliation? Implications for effective biocontrol.
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035 $a (UMI)AAI1452607
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100 1 $a Soti, Pushpa G. $3 1263036
245 1 0 $a Does water hyacinth (Eichornia crassipes) compensate to defoliation? Implications for effective biocontrol.
300 $a 25 p.
500 $a Adviser: John Volin.
500 $a Source: Masters Abstracts International, Volume: 46-05, page: 2604.
502 $a Thesis (M.S.)--Florida Atlantic University, 2008.
520 $a The aim of this study was to determine the effects of nutrient supply and artificial defoliation on the growth rate of water hyacinth. The plants were subjected to two levels of nutrient (high and low) and three levels (0%, 10% and 80%) of defoliation treatment. The effect of the nutrient and repeated defoliation treatments was determined after six weeks. Ten percent defoliation did not show any significant difference from control plants in biomass allocation or relative growth rate (RGR) in either nutrient concentration, while 80% defoliation caused a significant decrease in the final RGR under high and low nutrient treatments. High nutrient treatment resulted in higher RGR and allocation to asexual reproduction, resulting in higher biomass accumulation compared to the low nutrient treatment, which had higher root growth and allocation to sexual reproduction. My data provide evidence that water hyacinth can fully compensate to low levels of defoliation.
590 $a School code: 0119.
650 4 $a Biology, Ecology. $3 1017726
650 4 $a Biology, Plant Physiology. $3 1017865
650 4 $a Environmental Sciences. $3 676987
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710 2 0 $a Florida Atlantic University. $3 1017837
773 0 $t Masters Abstracts International $g 46-05.
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791 $a M.S.
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856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1452607