Keeping Annuals Alive Longer than Normal

David Hershey dh321z at
Mon Apr 29 17:59:12 EST 2002

In 1955, Ulrich (Plant Physiology 30:250-257) kept a
biennial sugar beet alive for 41 months by preventing
it from flowering by not vernalizing it. Does anyone
know of a similar study that kept annual plants alive
long after their normal lifespans by preventing them
from flowering? 

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