Mediterranean plant Banksia and Hakea have the ability to build post-fire communities rather successfully due to seed storage. Almost all of the species studied stored their seeds in dense woody fruit. In order for seed dispersal to occur leading to germination and sprouting‚ the fruit must be dense woody structure of the fruit must be dried. The drying of the fruit causes cracking allowing for the seeds to disperse and germinate. The addition of occasional fires to these communities allow for the drying
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high salinity environments were worse for the seeds. It was found that generally lower concentrations were better for germination then higher concentrations. Despite this‚ the hypothesis was not completely supported as in wheat and silver beet the second concentration had a higher rate of germination than the control and in all instances the highest concentration had a higher germination rate than the second highest concentration. Introduction Salinity refers to salt dissolved in a substance such
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competition affects the growth of Nasturtium officinale given an equal amount of water‚ nutrients and sunlight provided. Research Question: To what extent does the spacing between consecutive seedlings of Nasturtium officinale influence the germination‚ and consequently the lengths of the shoots and roots of the plant. Theory: Intraspecific competition occurs when members of the same species have the same niche and therefore compete for the same resources. Competition is an interaction between
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PLANT RESPONSES TROPISM is a biological phenomenon‚ indicating growth or turning movement of a biological organism‚ usually a plant‚ in response to an environmental stimulus. In tropisms‚ this response is dependent on the direction of the species. The word tropism comes from the Greek trope ("to turn" or "to change"). Tropisms are usually named for the stimulus involved and may be either positive (towards the stimulus) or negative (away from the stimulus). Phototropism is the growth response
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References: [1] Amri‚ E. (2008). Effect of Timing of Seed Collections an Provenances on seed viability and germination capacity of Dalbergia melanoxylon [2] Amri‚ E. (2010). Effect of age of the donor plant‚ IBA treatment and cutting position to the rooting ability of stem cuttings in Dalbergia melanoxylon [3] Beale‚ D. (1995). "Tree! What Tree? An Ecological Economic
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Respiration of Germinating Peas Abstract Aerobic respiration is an enzyme mediated process during which glucose is used to make ATP to fuel the cells energy needs. Germination is one of such processes that make use of aerobic respiration and because certain factors can affect aerobic respiration‚ it would also affect germination. In this experiment‚ we examined the effects of boiling on the rate of aerobic respiration of germinating peas. Unboiled germinating peas were found to have a more rapid
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This experiment will test whether or not radiation will help or hurt grass seed growth. This experiment will also test whether or not radiation will help or hurt grass seed germination. If the experiment goes according to plan‚ the most reasonable hypothesis based on the research is that the radiation will negatively affect both the plant growth and
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card board box with a hole on one side‚ and water. Procedure of the experiment: Two pots are prepared by filling them with soil‚ and are labelled as A and B. A few (2-3) mustard seeds are sown in each of them. The conditions necessary for germination of seeds such as oxygen‚ moisture (water)‚ and optimum temperature are provided in order to allow them to germinate and grow in both the pots A and B for a period of three days. Thus‚ the amount of moisture (water)‚ availability of oxygen‚ temperature
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Plants have two different ways to reproduce. The first one is vegetative reproduction. With this type all the plants that have the same parent have the same genetic make-up. This also lets plants pass adaptations on that they have abtained over the years. Plants with good genetic make-up usually spread quickly and take over an area. An example of this would be the dandelion. These plants can sprout from any part of the plant. An example of this is the potato‚ farmers will pick the potatoes and cut
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was to have found out how different chemical solutions help or harm radish plant growth when the seeds of the radish plant are soaked in said solutions prior to planting. Background: The IRP project I am doing is based off the subject of seed germination. The seeds I will be planting are cherry belle radish seeds‚ freshly bought. Instead of planting the seeds in soil like it is normally done‚ the plant seeds will be placed on paper towels to grow for better observation of the roots‚ and for a quicker
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