Effects of Burial Depth and Stolon Length on Clonal Plant Survival
Author Information
Author(s): Dong Bi-Cheng, Liu Rui-Hua, Zhang Qian, Li Hong-Li, Zhang Ming-Xiang, Lei Guang-Chun, Yu Fei-Hai
Primary Institution: College of Nature Conservation, Beijing Forestry University
Hypothesis
Does increasing burial depth in soils decrease emergence ability, survival, growth and morphology of the A. philoxeroides fragments?
Conclusion
Burial depth significantly reduces the emergence ability and survival of A. philoxeroides plants, while increasing internode length enhances their survival and growth.
Supporting Evidence
- Increasing burial depth significantly reduced survival rates of A. philoxeroides.
- Emergence time increased with deeper burial.
- Longer internode lengths significantly increased survival and growth measures.
- Burial depth did not significantly affect total biomass or leaf area.
Takeaway
When plants are buried deeper in the soil, they have a harder time growing and surviving, but if their stems are longer, they can do better.
Methodology
A greenhouse experiment was conducted with single-node fragments of Alternanthera philoxeroides buried at different depths and with varying internode lengths.
Limitations
The study was limited to a maximum burial depth of 8 cm and only included single-node fragments.
Participant Demographics
The study focused on the invasive herb Alternanthera philoxeroides, collected from a wasteland in China.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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