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Initialism as a mechanism of weed interference: can a crop plant be blinded? Planta Daninha
Vidal,R.A.; Trezzi,M.M.; Kozlowski,L.A.; Prates,M.V.B.; Cieslik,L.F.; Merotto Jr.,A..
Initialism is a new word proposed to indicate the "shade-avoidance syndrome". Plants detect the presence of neighbor plants very early in the growing season through changes in light quality. They modify the allocation of photosynthesis products privileging shoot growth over the roots. One of the hypotheses of the authors is that, when weed management is timely scheduled, a "blind" crop could be more productive because it would avoid an imbalance on the shoot:root ratio (S:R). Two strategies were developed to test this hypothesis: a) to use the classical Yoda's Law to screen several crops for insensitivity to S:R imbalance; b) to evaluate several growth regulators to control the plant responses to crowding. Experimental results confirm that both strategies...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Initialism; Shade-avoidance syndrome; Genetic; Growth regulator.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582012000300002
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