The effects of Mycoleptodiscus terrestris on Cabomba caroliniana Open Access
Gatch, Daniel Chaney (2011)
Abstract
Abstract
The effects of Mycoleptodiscus terrestris on Cabomba caroliniana.
The purpose of this research project was to determine the effects
of the fungus Mycoleptodiscus terrestris (Mt) as a biocontrol agent
against the invasive aquatic plant Cabomba caroliniana (fanwort).
Experiment one compared the final biomasses of treated vs.
untreated fanwort after being exposed to Mt for 27 days. Experiment
two and experiment three compared differences in damage in treated
vs. untreated fanwort after being exposed to Mt for 27 and 19 days
respectively. Damage in experiment one was determined
quantitatively by comparing the final biomasses of treated vs.
untreated fanwort. Experiments two and three used a qualitative
damage rating to determine damage caused verticillata, an invasive
aquatic plant known to be affected and three to determine if the
prepared inocula were working properly. Experiment one and
experiment three showed no significant difference between Mt
treated vs. untreated fanwort, while in experiment two there was
significantly higher damage recorded for Mt treated fanwort vs.
untreated fanwort. Experiment three supports the idea that Mt does
not have an effect on fanwort. Because of the contrasting results
of the three experiments on the effects of Mt on fanwort,
additional studies comparable to experiment one that use a
quantitative approach need to be performed to confirm the absence
of an effect of Mt on fanwort.
Table of Contents
Table of Contents
1. INTRODUCTION 1
2. MATERIAL AND METHODS 10
2.1 STUDY SPECIMENS 10
2.2 INOCULUM PREPARATION 10
2.3 EXPERIMENT ONE 11
2.4 EXPERIMENT TWO 12
2.5 EXPERIMENT THREE 12
3. RESULTS 13
3.1 EXPERIMENT ONE 13
3.1.1 Figure 1 13
3.1.2 Figure 2 14
3.1.3 Figure 3 15
3.1.4 Figure 4 16
3.2 EXPERIMENT TWO 16
3.2.1 Figure 5 17
3.3 EXPERIMENT THREE 17
3.3.1 Figure 6 18
3.3.2 Figure 7 19
4. DISCUSSION 19
5. LITERATURE CITED 20
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