Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
meristem .
Etymologies
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Examples
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Damage to foliage and apical meristems occurs when they are "triggered" to premature bud burst and development by an earlier onset of the growing season (resulting from early snowmelt) when the annual hardening/dehardening process is at its most sensitive phase, and when there is a risk of short periods of cold weather.
Phenotypic responses of arctic species to changes in climate and ultraviolet-B radiation 2009
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The initial stages of these structures are called meristems, which consist of versatile, undifferentiated cells analogous to the stem cells found in animals.
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(H) Strong alleles of an fail to form flowers, and instead produce secondary SIMs that develop perpendicular to previous meristems, which is reflected in the branching pattern of mature mutant inflorescences (I).
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Large differences exist, for example, in the rate at which tundra plants can respond to changes in weather and climate, due to differences in allocation to stems versus leaves or to secondary chemistry versus new growth [32], in the ability to add new meristems [33], and in the constraints on the amount of growth that can be achieved by a single meristem within a single year (i.e., determinate versus indeterminate growth).
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Over longer time periods, the growth form, number, and position of meristems in some woody plants such as '' Betula nana '' (Fig. 7.3) allowed a much greater response that completely changed the height and structure of the whole canopy ([45] but see [46] for a different response).
Phenotypic responses of arctic species to changes in climate and ultraviolet-B radiation 2009
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Converting these clonally produced crops into a “land race” of seed will allow them to be rejuvenated and virus-free without having to initially mess about with growing out and micro-propagating virus-free growing tips (meristems), should those technologies ever become unavailable.
World's Largest Seed Collection Receives a Multimillion Dollar Grant from Gates 2007
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Some of it has to do with primary and secondary meristems and woody growth and I really won't bore you.
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Usually, meristems are found in the shoots and root tips, and places where branches meet the stem.
meristem 2002
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Such meristems could be made to grow into complete healthy shoots, on nutrient media, under controlled environmental conditions.
1. Household gardening projects in asia: past experience and future directions 1992
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The philosophy of the methodology is that the terminal 2-3 mm portion of plants (meristems) are almost free from viruses, because cell divisions in such parts are very rapid and active.
1. Household gardening projects in asia: past experience and future directions 1992
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