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An Investigation to determine the effect of varying temperature on mustard seed germination over a one week period.
Member rating: No Rating | Words: | Submitted: Sat Aug 30 2003
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An Investigation to determine the effect of varying temperature on mustard seed germination over a one week period. In a flowering plant, a seed is made up of an embryo and a food store, which is enclosed within an impermeable seed coat (called testa). A micropyle is the only gap in the seed coat. If the environmental conditions are right the seed will grow into a new young plant. At the start of germination water enters through the micropyle and activates enzymes to convert insoluble stores to soluble food and also makes tissues swell so that the testa (seed coat) is spilt open. Next water and oxygen enter through the gaps in the testa. Oxygen and glucose enable aerobic respiration in the seed, which releases energy to enable growth. The embryo is now able to...
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