Zobrazeno 1 - 10
of 104
pro vyhledávání: '"M.R.R Pereira"'
Publikováno v:
Planta Daninha, Vol 31, Iss 1, Pp 175-184 (2013)
O objetivo deste trabalho foi avaliar a influência da chuva na eficiência de herbicidas aplicados em pós-emergência em plantas de Ipomoea grandifolia. As plantas de I. grandifolia foram cultivadas em vasos plásticos com capacidade de 2,5 L, em c
Externí odkaz:
https://doaj.org/article/e1695445437d45a9846d58f0ba199205
Publikováno v:
Planta Daninha, Vol 30, Iss 1, Pp 201-209 (2012)
Objetivou-se avaliar a deposição de gotas de pulverização em plantas de amendoim (Aracahis hypogaea) e Brachiaria plantaginea, presentes na linha e entrelinhas de semeadura da cultura, além da deposição no solo. O estudo foi realizado em campo
Externí odkaz:
https://doaj.org/article/9cd59ff015b745709e2036d2cc431d65
Publikováno v:
Planta Daninha, Vol 29, Iss 4, Pp 923-928 (2011)
O objetivo deste estudo foi avaliar a influência da ocorrência de chuva em diferentes períodos de tempo após a aplicação do herbicida diquat, em sua eficiência de controle sobre plantas de Salvinia auriculata, Pistia stratiotes e Eichhornia cr
Externí odkaz:
https://doaj.org/article/8f768a8c087346729d7634fdc13c71b7
Autor:
A.C.P Rodrigues-Costa, D Martins, N.V Costa, C.F Campos, C.C Martins, M.R.R Pereira, J.I.C Silva
Publikováno v:
Planta Daninha, Vol 29, Iss 3, Pp 625-633 (2011)
O presente trabalho teve o objetivo de avaliar a seletividade de herbicidas aplicados em pré-emergência sobre a produção e a qualidade de sementes de Brachiaria brizantha cv. Marandu e Brachiaria decumbens cv. Basilisk. Os herbicidas avaliados fo
Externí odkaz:
https://doaj.org/article/66c5d38a91454ac4836e965988ffd1b6
Publikováno v:
Planta Daninha, Vol 29, Iss 3, Pp 617-624 (2011)
As áreas com plantios florestais estão constantemente em expansão, e a interferência das plantas daninhas alteram o crescimento e desenvolvimento de plantas de eucalipto, pois estas competem por água, nutrientes, espaço e luz. Objetivou-se com
Externí odkaz:
https://doaj.org/article/ced9b4bdb7f046be8d328f7fe8550546
Publikováno v:
Biologia Plantarum, Vol 63, Iss 1, Pp 314-322 (2019)
Drought is one of the major environmental stresses limiting crop production worldwide because both the duration and the severity of the stress are critical. Plants display a variety of physiological and biochemical stress responses towards prevailing
Externí odkaz:
https://doaj.org/article/f34f0c616ccf4ed4b34729a33f494744
Publikováno v:
Planta Daninha, Vol 37 (2019)
ABSTRACT: Weeds are one of the main obstacles in the recovery of degraded areas. This research aimed to study the selectivity of herbicides on Trema micrantha (Jamaican nettletree), Schinus molle (Peruvian peppertree), and Apuleia leiocarpa (garapeir
Externí odkaz:
https://doaj.org/article/ea910939cc80485babbb0708ec4380c5
Publikováno v:
Planta Daninha, Vol 34, Iss 3, Pp 423-432 (2016)
ABSTRACT The objective of this study was to evaluate the effects of soil cover with sugarcane residue on weed emergence of four weeds from the genus Brachiaria. The study was conducted in an area whose soil was classified as Red Nitosol. Seven differ
Externí odkaz:
https://doaj.org/article/80935117de1e4290b072184090d54734
Publikováno v:
Planta Daninha, Vol 36 (2018)
ABSTRACT: Plants in soils with low water availability may present a reduction of their leaf area and photosynthetic rate, as well as lower assimilated compound supply for seeds. Knowing the physiological quality and seed production of weeds generated
Externí odkaz:
https://doaj.org/article/06cd718aa2fb49bdbfd9ed56ea9665d4
Publikováno v:
Planta Daninha, Vol 36 (2018)
ABSTRACT: The action of herbicides on weeds that develop under water deficit can be compromised, because the routes of penetration of hydrophilic herbicides are reduced due to the lower hydration of the cuticle in these plants. Moreover, hydrophobic
Externí odkaz:
https://doaj.org/article/89f13b020ae04c8cb1824d2904a4055b