MODELING THE EFFECT OF DENSITY-DEPENDENT CHEMICAL INTERFERENCE UPON SEED GERMINATION
- Seed and microsite limitation in a late-successional old field: the effects of water, adults, litter, and small mammals on seeds and seedlings. Dybzinski, Ray; Tilman, David // Plant Ecology;Jun2012, Vol. 213 Issue 6, p1003
Many plant communities are recruitment limited, which may occur because there are either too few seeds to fill available microsites, too few available microsites, or both. In a recruitment-limited, Minnesota, USA old field, we tested among these alternatives in a three-phase study. In phase 1,...
- Allelopathic Effects of Goldenrod Species on Turnover in Successional Communities. PISULA, NIKKI L.; MEINERS, SCOTT J. // American Midland Naturalist;Jan2010, Vol. 163 Issue 1, p161
While goldenrod species are often found to be allelopathic in laboratory settings, its importance in controlling plant community dynamics has been much more difficult to assess. We designed a study to determine whether allelopathy is related to the success of goldenrods in abandoned agricultural...
- Allelopathic Potential of Pluchea dioscoridis (L.) DC. Fahmy, Gamal M.; Al-Sawaf, Nadia A.; Turki, Hamdia; Ali, Hanan I. // Journal of Applied Sciences Research;Aug2012, Vol. 8 Issue 7, p3129
The roots and leaves of Pluchea dioscoridis extracted in water and used in Petri dish experiments or mulched on the soil surface in pot experiments have inhibitory effects upon the seed germination and seedling growth of itself and the test species Corchorus olitorius, Lepidium sativum, and...
- Native vs. Non-native Plants. // Exploring the Native Plant World: A Life Science Curriculum 5th-;2004, p30
This article focuses on the difference between native plants and non-native plants. Non-native plants come from outside the local plant community, unlike native plants. These non-native plants are being grown because of their hardiness. Their seeds can germinate quicke compared to native plants.
- Use of Phytosociological Databases for Species Distribution Models. Guidi, Tommaso; Foggi, Bruno // Folia Geobotanica;Sep2012, Vol. 47 Issue 3, p305
Species Distribution Models are key in modern ecological studies. They employ information about species locations and environmental factors to generate statistical functions that predict the potential distribution of species on the basis of landscape suitability. Although these models are...
- Effects of Calotropis procera and Citrullus colosynthis on germination and seedling growth of maize. NAZ, RABIA; BANO, ASGHARI // Allelopathy Journal;Jan2013, Vol. 31 Issue 1, p105
The allelopathic potential of leaf extracts (0.8, 0.1 and 1.2%) of Calotropis procera and Citrullus colosynthis, were studied in laboratory and pot in culture on germination and seedlings growth of maize. The aqueous leaf extracts of C. procera enhanced the germination, but all concentrations of...
- Seed Viability and Female Cone Characteristics of Mature Knobcone Pine Trees. Fry, Danny; Stephens, Scott // Western Journal of Applied Forestry;Jan2013, Vol. 28 Issue 1, p46
As humons continue to alter ecosystems through land-use activities, revegetation projects will be one important way to restore or maintain impacted plant communities. (ertain species, such as knobcone pine (Pinus ottenuata Lemmon), hove been used in some revegetotion projects because of their...
- Allelopathy experiment pitfalls. Hershey, David R.; Latto, John // Journal of Biological Education (Society of Biology);Spring96, Vol. 30 Issue 1, p13
Features the comments and views of the authors on setbacks of allelopathy experiments on seed germination. Effect of mineral nutrients on growth; Failure to measure root growth; Common misconceptions in allelopathy experiments.
- allelopathy:. Schlegel, Rolf H. J. // Encyclopedic Dictionary of Plant Breeding & Related Subjects;2003, p21
A definition of the term "allelopathy," which refers to the chemical substance released into the environment by an organism that acts as a germination or growth inhibitor to another organism, is presented.