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Latest Vegetative reproduction Stories

2010-08-18 13:20:56

Despite the many cosmetic products, surgical treatments, food supplements, and drugs designed specifically to reverse the biological effects of aging in humans, long-lived aspen clones aren't so lucky. Researchers at the University of British Columbia have shown that as long-lived male aspen clones age, their sexual performance declines. Dilara Ally, who conducted this research for her Ph.D., also showed that with that loss of sex and sexual fitness, ultimately the lineage could go extinct....

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2009-12-01 13:30:00

Research into the potato tuber at the Basque Institute for Agricultural Research and Development and at the NEIKER-Tecnalia Technology Centre has, in recent years, focused on the development of new varieties of potato adapted to Spanish agro-climatic conditions. The Basque technology center has updated the traditional system for improving strains of the tuber by involving novel techniques that enable obtaining new varieties that are the most resistant, productive and apt for both fresh...

2008-01-11 03:00:00

By Culley, Theresa M Hardiman, Nicole A The Callery pear (Pyrus calleryana Dcne. [Rosales: Rosaceae]), an ornamental tree from China, has begun appearing in disturbed areas throughout the United States. To understand the relatively recent spread of this species into natural areas, we review its horticultural history, the traits promoting its invasiveness, and its current invasive status. Cultivated varieties (cultivars) of this species sold in the United States originate from different areas...


Word of the Day
cock-a-hoop
  • Exultant; jubilant; triumphant; on the high horse.
  • Tipsy; slightly intoxicated.
This word may come from the phrase 'to set cock on hoop,' or 'to drink festively.' Its origin otherwise is unclear. A theory, according to the Word Detective, is that it's a 'transliteration of the French phrase 'coq a huppe,' meaning a rooster displaying its crest ('huppe') in a pose of proud defiance.' Therefore, 'cock-a-hoop' would 'liken a drunken man to a boastful and aggressive rooster.'
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