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Temperature - Seed Dormancy
Low temperature treatment is an essential prelude to germination in many seeds, and high temperature may be inhibitory at the time of germination. The low temperature chilling requirement is frequently met artificially by the process of stratification. The seeds are layered in trays in cold moist air for a period of several weeks or months. Temperatures between 0 and 10?C are most effective. The chilling requirement is variously located in the embryo or the seed coat, sometimes in both. The chilling requirement of apple seeds, for example, is much longer for intact seeds than for seeds with the coats removed, or for isolated embryos. Red light and GA have a synergistic effect, that is, the combination of both factors stimulates germination more than the sum of the two separately.
Sludge treatment and disposal: most of the suspended solids and some of the dissolved organic solids, in a converted form, are separated from the main flow of the, in the form of
Explain about the Component of Metalloenzymes? Zinc is unique among the trace elements in that it is a part of enzymes for all six Enzyme Commission classes. As a component of
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In the previous sub-section we discussed the possible ways by which variabiliti can, be generated. We shall now examine one instance that illustrates the consequence of variability
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What is the swinging flashlight test used for It is done to check the relative afferent pupillary defect in an eye that is blind from optic nerve disease.
Explain the term Protoderm? The protoderm is one of the so-called "primary tissues" because it is formed first during germination and subsequent plant growth. The protoderm g
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