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作者:Eli Carlos de Oliveira , Luiz Henrique Campos de Almeida ...
来源:[J].Semina: Ciências Agrárias(IF 0.301), 2019, Vol.40 (1), pp.113-126
摘要:Vegetative canopy architecture, and plant population density, has a direct influence on the growth and production of crops. The objective of this study was to evaluate the growth of four cassava cultivars of contrasting canopies, in four population densities, during two vege...
作者:José Roberto Pinto de Souza , João Antonio Cyrino Zequi ...
来源:[J].Evidence-Based Complementary and Alternative Medicine(IF 1.722), 2017, Vol.2017
摘要:The crude acetone extract (CAE) of defatted inflorescences of Tagetes patula was partitioned into five semipurified fractions: n-hexane (HF), dichloromethane (DF), ethyl acetate (EAF), n-butanol (BF), and aqueous (AQF). BF was fractionated by reversed-phase polyamide column chrom...
作者:Conrado Cagliari Fioretto , Paulo Tironi , José Roberto Pinto de Souza
来源:[J].Semina: Ciências Agrárias(IF 0.301), 2016, Vol.37 (4), pp.1883-1896
摘要:Characterizing growth and nutrient uptake is important for the establishment of plant cultivation techniques that aim at high levels of production. The culturing of Duboisia sp., although very important for world medicine, has been poorly studied in the field, since the cult...
作者:José Roberto Pinto de Souza , Aneli de Melo Barbosa ...
来源:[J].Semina: Ciências Agrárias(IF 0.301), 2005, Vol.26 (4), pp.515-520
摘要:Previous studies showed that ethanolic extract of Ocimum gratissimum inhibited growth of Penicillium chrysogenum, Rhizoctonia sp, Aspergillus niger and Alternaria sp, isolated from tomato and carrot. The aim of this study was to identify the chemical constituents of Ocimum g...
作者:José Roberto Pinto de Souza , Luiz Henrique Ilkiu Vidal , Ricardo Augusto Gorne Viani
来源:[J].Semina : Ciências Agrárias(IF 0.301), 2002, Vol.23 (2), pp.197
摘要:The objective of this study was to evaluate the effects of aquous and ethanolic extracts of medicinal species on seed germination of B. decumbens. The experimental design was completely randomized with 19 treatments (9 aquous extracts, 9 ethanolic extracts and a check was de...
作者:José Roberto Pinto de Souza , Maria Fátima de Guimarães ...
来源:[J].Brazilian Archives of Biology and Technology(IF 0.473), 2000, Vol.43 (4)
摘要:The objective of the experiment was to identify the morphological alterations in corn genotypes in response to aluminum toxicity in the soil. A complete randomized block design with five replications was used. The a factorial scheme was composed of two corn genotypes (C525M ...
作者:José Roberto Pinto de Souza , Elcio Liborio Balota , Oswaldo Machineski
来源:[J].Semina: Ciências Agrárias(IF 0.301), 2011, Vol.32 (Suplemento 1), pp.1855-1862
摘要:The aim of this study was to evaluate the response of castor bean inoculated with arbuscular mycorrhizal fungi (AMF) and different levels of P in the soil. The experiment was carried out under greenhouse condition, in Londrina-PR, using disinfected sandy soil (LVd) as substr...
作者:José Roberto Pinto de Souza , Edivaldo Domingues Velini
来源:[J].Planta Daninha, 1997, Vol.15 (2), pp.97-103
摘要:Este experimento teve por objetivo avaliar os efeitos da cultura da cevada e de períodos de controle das plantas daninhas sobre o crescimento e produção de sementes de Raphanus sativus. Foram considerados dois tratamentos testemunha sem controle das plantas daninhas, com e s...
作者:José Roberto Pinto de Souza , Lúcia Sadayo Assari Takahashi ...
来源:[J].Ciência Rural(IF 0.383), 2007, Vol.37 (4), pp.982-986
摘要:A camomila é uma planta herbácea e anual. Suas flores são usadas na medicina popular como droga vegetal e também como aromatizante. Realizaram-se dois experimentos com o objetivo de avaliar o tempo de armazenamento e a temperatura na porcentagem e velocidade de germinaç...
作者:José Roberto Pinto de Souza , Célio Roberto F. Leite , José Carlos Vieira de Almeida
来源:[J].Semina: Ciências Agrárias(IF 0.301), 2005, Vol.26 (4), pp.441-448
摘要:The sugar cane is one of the most important crop in Brazil. Many areas cultivated with this crop is subjected to flowering, which is not wanted once it reduces sucrose. The objetive of the present trial was to evaluate the effect of maturators on technological characterists ...

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