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Efeitos da nutrição mineral na competição inter e intraespecífica de Eucalyptus grandis e brachiaria decumbens: 1- crescimento
(2000-12-01)
The present work was conducted with the objective to study the effects of mineral nutrition on Eucalyptus grandis and Brachiaria decumbens (#BRADC) growth, when submitted to inter- and intra-specific competition. The ...
Uso racional de nutrientes no cultivo hidropônico de amorperfeito
(2006-07-01)
The objective of this work was to evaluate different concentrations of nutritional solution in the hydroponic cultivation of Viola x wittrockiana Gams. The experiment was conducted in DFT hydroponic system, in a completely ...
OLEO ESSENCIAL EM ALGUMAS ESPECIES DE EUCALYPTUS
(1995-08-31)
In this work we used leaves of four species of Eucalyptus - E. bicostata Maiden, E. deanei Maiden, E. dunnii Maiden and E. viminalis Labill, grown in Colombo, Parana State, Brazil. Preliminary studies were done, in the ...
Características anatômicas de espinheira-santa (Maytenus ilicifolia Mart. ex Reissek e Maytenus aquifolia Mart.) e mata-olho (Sorocea bonplandii (Baill.) Burg. Lanj. & Boer.) para o controle de qualidade da matéria prima
(2003-10-01)
Maytenus ilicifolia and Maytenus aquifolia (Celastraceae) both designated espinheira-santa have proven anti-ulcer activity. Morphologic similarities between leaves of espinheira-santa and mata-olho (Sorocea bonplandii), ...
ZmPUMP encodes a maize mitochondrial uncoupling protein that is induced by oxidative stress
(2003-08-01)
A cDNA clone (designated ZmPUMP) encoding an uncoupling protein (UCP) from maize (Zea mays) was identified by searching for homologous sequences among the expressed sequence tags of the GenBank database. The ZmPUMP cDNA ...
Períodes de controle de Brachiaria sp e seus reflexos na produtividade de Eucalyptus grandis
(2003-06-01)
A field trial was conduced in Piratininga, São Paulo State, Brazil, from August to 1991 to May 1999, aiming to study the effects of weed interference on the productivity of Eucalyptus grandis W. Hill Ex Maiden. The ...
Effects of soil water deficit and nitrogen nutrition on water relations and photosynthesis of pot-grown Coffea canephora Pierre
(2002-12-01)
Coffea canephora plants (clone INCAPER-99) were submitted to low N (LN) or high N (HN) applications and two watering regimes (daily irrigation and irrigation every 5 days for a month). Although water potential was not ...
Períodos de interferência de erva-quente (Spermacoce atifolia) no crescimento inicial de eucalipto (Eucalyptus grandis)
(2002-06-01)
The buttonweed (Spermacoce latifolia) is becoming a plant among the most current infesting eucalypts plantation in State of São Paulo due to the continual use of same herbicides and control methods. Owing this, this work ...
Cryopreservation, early seedling development, and genetic stability of Oncidium flexuosum Sims
(2013-07-01)
An efficient cryopreservation protocol was developed for mature seeds of Oncidium flexuosum Sims. Seed morphology, protocorm formation, and early seedling development were also assessed. The effects of phloroglucinol and ...
Peroxidase activity as an indicator of water stress in sweet pepper plants
(2006-10-01)
The purpose of the study was to evaluate the physiological and biochemical behavior of sweet pepper (Capsicum annuum L.) plants under different soil water availability conditions and the efficiency of the peroxidase (EC. ...