vernalization वाक्य
उदाहरण वाक्य
मोबाइल
- Instead of making controlled experiments, Lysenko relied upon questionnaires from farmers, using them to " prove " that vernalization increases wheat yields by 15 %.
- A team of scientists at University of California-Davis located the wheat gene that controls vernalization, the process by which cold temperatures prompt some plants to flower.
- Vernalization depends on the presence of a long non-coding RNA that is termed COLDAIR . The exposure of plants to a significant period of cold results in COLDAIR accumulation.
- So-called " facultative " wheat varieties need shorter periods of vernalization time ( 95 250 days ) and temperatures of 102?to 15 �F ( 37 59 �C ).
- Lastly, many plants may survive in a locality but will not flower if the day length is insufficient or if they require vernalization ( a particular duration of low temperature ).
- In 1928, a previously unknown agronomist, Trofim Lysenko " invented " a new agricultural technique, vernalization ( using humidity and low temperatures to make wheat grow in spring ).
- This gene is a central part of the pathway that inhibits flowering in plants and its silencing during winter is suspected to be one of the main factors intervening in plant vernalization.
- Plants that undergo vernalization ( promotion of flowering by a prolonged exposure to cold temperatures ) record a " genetic memory of winter " to gain the competence to flower.
- AC Hazlet fall rye is to be planted in late August or early September to allow for the crop to grow 4 6 weeks before cold hardening and vernalization occurs due to the weather conditions.
- For winter wheat, the physiological stage of heading is delayed until the plant experiences vernalization, a period of 30 to 60 days of cold winter temperatures ( 140?to 5 �F; 302 451 �F ).
- A team of researchers at the University of California, Davis, has isolated and cloned the second of two genes that control vernalization _ the plant's ability to flower only after exposure to a cold winter.
- This discovery also opened the door to manipulation of the process of vernalization, which could generate new, commercially significant varieties of wheat with shorter growing periods, earlier flowering or no flowering at all, said Dubcovsky.
- Sonora in Mexico ), spring wheat ( not requiring a period of vernalization ) is also sown in the autumn ( November / December ) and harvested in late spring ( April-May ) the next year.
- Later however, Lysenko inaccurately asserted that the vernalized state could be inherited, i . e . the offspring of a vernalized plant would behave as if they themselves had also been vernalized and would not require vernalization in order to flower quickly.
- In 1927, at 29 years of age, working at an agricultural experiment station in Azerbaijan, he embarked on the research that would lead to his 1928 paper on vernalization, which drew wide attention because of its potential practical implications for Soviet agriculture.
- The same group of researchers who last year cloned the first wheat vernalization gene _ VRN1, the gene that sets off the plant's flowering _ this year identified VRN2, the gene that tells the plant to wait through weeks of cold weather before flowering.
- This is why Lysenko claimed vernalization would give greater productivity than it did; he believed the ability of his vernalized seeds to flower faster and produce more wheat would be passed on to the next generation of wheat seeds, thus causing vernalization to further amplify the process.
- This is why Lysenko claimed vernalization would give greater productivity than it did; he believed the ability of his vernalized seeds to flower faster and produce more wheat would be passed on to the next generation of wheat seeds, thus causing vernalization to further amplify the process.
- Domesticated chickpea is considered vernalization insensitive ( it can flower at all times of the year ), whereas wild " Cicer reticulatum " shows a considerable flowering advance ( of up to 30 days ) in response to vernalization which means that the plant would have to grow in areas where it is exposed to a prolonged period of cold before it can properly grow.
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