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Allelopathy of forage species on germination and peroxidase activity in lettuce Sci. Agrar.Paran. / SAP
Bulegon, Lucas Guilherme; Meinerz, Cristiane Claudia; Castagnara, Deise Dalazen; Battistus, Andre Gustavo; Guimarães, Vandeir Francisco; Neres, Marcela Abbado.
Allelopathy is defined as the inhibitory or beneficial effect, direct or indirect, of one plant to another. Thus, it was conducted in the laboratory and under completely randomized design, a bioassay with the aim of evaluating the effect of aqueous extracts, obtained by infusion of dried leaves of oat (Avena sativa cv. IPR 126), pigeon pea (Cajanus cajan cv. Mandarin), ryegrass (Lolium multiflorum) and braquiaria (Brachiaria brizantha cv. Marandu), on the germination, content of cellular protein and peroxidase activity of lettuce (Lactuca sativa). The extracts of pigeon pea and oats reduced germination, which oats had higher allelopathic effect, delaying and reducing the emergence of lettuce seedings. To these treatments also was observed the lower...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alelopatia; Aveia; Azevém; Braquiária; Feijão Guandu.
Ano: 2015 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/8385
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Growth and production of Malaysia cabbage under the nitrogen fertilization Sci. Agrar.Paran. / SAP
Dartora, Janaína; Echer, Márcia de Moraes; Guimarães, Vandeir Francisco; Marini, Deniele; Pauletti, Daiana Raquel.
The aim of this work was to evaluate, through the growth analysis, the effects of nitrogen doses on the development of Brassica campestris var. chinensis (Pak Choi). The experiment was carried out in a greenhouse, from October to November, 2007, in Marechal Cândido Rondon, Paraná. The experimental design was the randomized block, with five treatments (0, 60, 105, 150 and 195 kg ha-1 of N) and four replications. The hybrid used was Chouyou. The nitrogen was equally applied in three times, when in transplantation, and at seven and 14 days after the transplantation. The dry mass production, and the foliage area were weekly evaluated reaching the following indices of growth: relative and absolute growth rate, net assimilation rate, leaf area ratio, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brassica campestris var. chinensis L.; Análise de crescimento; Taxa de crescimento relativo.
Ano: 2014 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/6176
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INDUCED RESISTANCE AND Azospirillum brasilense AT THE CONTROL OF Bipolaris sorokiniana IN WHEAT AND INTERFERENCE ON DIAZOTROPHIC ENDOPHYTES Sci. Agrar.Paran. / SAP
Iurkiv, Luciana; Dildey, Omari Dangelo Forlin; Coltro-Roncato, Sidiane; Gonçalves-Trevisoli, Edilaine Della Valentina; Rissato, Bruna Broti; Guimarães, Vandeir Francisco; Stangarlin, José Renato.
The induced resistance eficiency in the control of phytopathogens is recognized, however little is known about its interference on non-target microrganisms. The present study aims to verify the induction of peroxidase activity by the use of acibenzolar-S-methyl (ASM), mannanoligosaccharide (MOS) and Bacillus cereus inductor in the control of spot blotch wheat disease and its interference on the non-target microrganism A. brasilense. The experiment was conduced under green house growing. The experimental design was made in randomized block design in a factorial schema 4 x 2 x 2, with 4 replications. The first factor "Resistance Inductors" was constituted by ASM, MOS, B. cereus inductors and water (control). The second factor "Pathogen" was constituted by...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acibenzolar-S-metil; Bacillus cereus; Indução de resistência; Mananoligossacarídeo fosforilado; Mancha marrom..
Ano: 2017 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/14817
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Influence of seed treatment on the initial development of maize and wheat seedlings inoculated with Azospirillum brasilense Sci. Agrar.Paran. / SAP
Dartora, Janaína; Guimarães, Vandeir Francisco; Marini, Deniele; Pinto Júnior, Artur Soares; Magalhães Cuz, Leonardo; Mensch, Reginaldo.
The aim of this study was to evaluate the interaction between the seed treatment with fungicides and insecticides and inoculation with Azospirillum brasilense and their effect on seed germination and early development of seedlings of maize and wheat. Two experiments were conducted with corn seeds and the other with wheat. The experimental design used in both trials was completely randomized design with four replications and treatments arranged in a 2x6 factorial, with the absence and presence of seed treatment and seed inoculated with different strains of A. brasilense: no inoculation, Ab-V5, Ab-V6, Hm53, SFO and IC26. In addition to the standard germination test (germination percentage int the first count and percentage of germination) were evaluated root...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fungicidas; Rizobactérias; Massa seca de raízes.
Ano: 2013 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/5809
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Physiological quality of corn seeds reinoculated with diazotrophic bacteria Sci. Agrar.Paran. / SAP
Sousa, Ricardo Felipe Braga; Guimarães, Vandeir Francisco; Pinto Jr., Artur Soares; Costa, Andréia Cristina Peres Rodrigues; Offemann, Luiz Claudio; Fuchs, Felipe; Coelho, Gustavo Ferreira.
This work aimed to evaluate physiological characteristics of corn seeds provenient from cultivation associated with Azospirillum brasilense and Herbaspirillum seropedicae and reinoculated with Azospirillum brasilense. The seeds were coming from cultivation in field conditions, and the treatments were: T1 - control; T2 - 60 kg hectare-1 N, T3 - inoculation (Azospirillum brasilense - AbV5); T4 - inoculation (Azospirillum brasilense) + 60 kg hectare-1 N; T5 - inoculation (Herbaspirillum seropedicae - SMR1) and T6 - inoculation (Herbaspirillum seropedicae) + 60 kg hectare-1 N. The treatments were divided in two separate blocks, being one reinoculated with A. brasilense (AbV5). The experimental design was completely randomized, in factorial scheme (6x2), being...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Azospirillum brasilense; Herbaspirillum seropedicae; Seeds physiology; Reinoculation; Zea mays.
Ano: 2015 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/8753
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Piraroxa productive characteristics of lettuce fertilized with organic fertilizer and mineral Sci. Agrar.Paran. / SAP
Steiner, Fábio; Echer, Márcia de Moraes; Guimarães, Vandeir Francisco.
Lettuce (Lactuca sativa L.) is one of the few fresh vegetables consumed exclusively, by possessing it, high added value when produced with organic inputs. This study aimed to evaluate the effect of nitrogen fertilization with different sources on the yield characteristics of purple lettuce, conditions Marechal Cândido Rondon - PR. The experimental design was randomized blocks in factorial 3 x 4 with four replications. The treatments were the combinations of three N sources (swine manure, poultry manure and urea) and four N rates (0, 120, 240 and 360 kg ha-1). The crop was harvested 38 days after transplanting. The results showed quadratic polynomial response to the number of leaves per plant and yield of fresh and dry top of lettuce. The cultivar...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lactuca sativa L; Esterco animal; Adubação orgânica; Nitrogênio.
Ano: 2012 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/4748
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Productive characteristics of lettuce, cultivars mimosa, conducted under different shade levels in winter Sci. Agrar.Paran. / SAP
Dalastra, Graciela Maiara; Hachmann, Tiago Luan; Echer, Márcia Morais; Guimarães, Vandeir Francisco; Fiametti, Mayara Sue.
This study aimed to evaluate the performance of mimosa lettuce, grown in a greenhouse with different levels of shading, under weather conditions of winter, in the region of Paraná State, Brazil. The experiment was conducted at the Experimental Station of UNIOESTE, Campus Mal. Cândido Rondon in the period July to September 2010, in a randomized block design in a factorial 4x3, with four replications. The treatments consisted of four cultivars of lettuce (leaf green pixie Oak, Oak leaf red pixie, Salad Bowl and Roxane) and three shading levels 0, 30% and 50% shade). The lettuce cultivars were evaluated for plant height and diameter, head fresh weight, number of leaves per plant and also estimated the productivity. Growing lettuce mimosa under withouth shade...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lactuca sativa L.; Produtividade; Telas de sombreamento..
Ano: 2016 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/10360
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Water status maintenance induced by Trinexapac-Ethyl in soybean plants Sci. Agrar.Paran. / SAP
Fioreze, Samuel Luiz; Guimarães, Vandeir Francisco.
Improving abiotic stress tolerance in plants by crop management is one of biggest goals of actual research, thus, plant growth regulators have a great potential in the physiological manure of crops. The objective of this work was to evaluate the effects of Trinexapac-Ethyl on soybean plants affected by drought stress during the reproductive stage. Four Trinexapac-Ethyl doses were evaluated (0, 50, 100, and 200 g ha-1 a.i.) and the induction or not of drought stress. The experimental design was completely randomized blocks in factorial design (4x2) with four replications. Relative water content was measured during drought stress and rehydration period. Protoplasmic tolerance and biometric parameters were determined after recovery period. Yield and yield...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Controle estomático; Déficit hídrico; Glycine max L. Merril; Inibidores de giberelina; Tolerância protoplasmática.
Ano: 2015 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/9224
Registros recuperados: 8
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