2017
DOI: 10.22256/pubvet.v11n4.309-414
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Produtividade de forragem e morfogênese de Megathyrsus maximus cv. Mombaça sob níveis de desfolhação

Abstract: RESUMO. O efeito de níveis de desfolhação (20, 30, 40 e 50 cm acima do solo) sobre a produção de forragem e características morfogênicas e estruturais de Megathyrsus maximus cv. Mombaça foi avaliado nos cerrados de Roraima. Os efeitos dos níveis de desfolhação sobre a produção de matéria seca verde, índice de área foliar e taxa de expansão de folhas foram ajustados ao modelo quadrático de regressão e os máximos valores registrados com cortes a 38,9; 38,7 e 40,9 cm acima do solo, respectivamente. A densidade po… Show more

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“…In this sense, the efficiency of use of forage plants by animals in grazing is closely linked to abiotic factors (Santos et al, 2011). According to Difante et al (2011) and Costa et al (2017), the accumulation of dry mass by the plant is a result of morphogenic responses to the environment, directly interfering with animal productivity (Sbrissia et al, 2018). Thus, it is necessary to know how plants express their morphogenic characteristics through measurements of morphological structures (leaf blade and stem) (Pereira, 2013), allowing to understand how abiotic factors act on the development and vegetative growth.…”
Section: Growth Factorsmentioning
confidence: 99%
“…In this sense, the efficiency of use of forage plants by animals in grazing is closely linked to abiotic factors (Santos et al, 2011). According to Difante et al (2011) and Costa et al (2017), the accumulation of dry mass by the plant is a result of morphogenic responses to the environment, directly interfering with animal productivity (Sbrissia et al, 2018). Thus, it is necessary to know how plants express their morphogenic characteristics through measurements of morphological structures (leaf blade and stem) (Pereira, 2013), allowing to understand how abiotic factors act on the development and vegetative growth.…”
Section: Growth Factorsmentioning
confidence: 99%