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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.
How can germs can be transmitted Germs can be transmitted many ways, including: Touching dirty hands; Changing dirty or contaminated cloths; Through contaminated water and f
What are the excretory organs in protozoa.
Classification of Microorganisms On basis of temperature for growth Microorganisms can be classified into: - Thermophillic: Microbes those require high temperature for
What is the relationship between the estrogen level and the LH level in the menstrual cycle? What is the function of LH in the menstrual cycle and when does its blood concentration
What are fat soluble vitamins? As we already know, there are four fat-soluble vitamins - A, D, E and K, The presence of fat is required for the assimilation of these vitamins
Explain the Transmission Electron Microscope Here, thin and dehydrated specimen is used. Electrons pass through the specimen and form image on to photographic film. These are u
Q. What are the dietary guidelines for gastritis? Energy: Give adequate calories through frequent feedings or else proteins would be utilized for energy of repair work. P
main subdivision of phylum chordata
Preventive steps for global warming : Growing trees in vacant places. Growing social forests and protect them. Promoting abundant growth of phytoplankton plant species in marine
what are the phylum of kingdom protozoan
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