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Chemical stress reduces the lateral shoot growth in vernalized garlic Horticultura Brasileira
Gabriel,André; Resende,Juliano TV; Marodin,Josué C; Matos,Rafael de; Zeist,André R; Maciel,Cleber Daniel G.
ABSTRACT Brazil’s low garlic productivity is attributed, mainly to the lateral shoot growth, a physiological anomaly characterized by early lateral shoot growth of cloves in noble group garlic cultivars. Considering the aforementioned information, the aim was to evaluate the occurrence of lateral shoot growth and productivity characteristics in garlic plants, cv. Chonan, subject to herbicide chemical stress. In order to do so, an experiment was conducted in outlining randomized blocks in a 3x5 factorial scheme, constituted by three herbicides (paraquat 500 g ha-1; ammonium gluphosinate 400 g ha-1 and glyphosate 720 g ha-1) and five subdoses (0, 5, 10, 15 and 20% of the minimum recommended dose of each herbicide). The electron transport rates (ETR) were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Allium sativum; Herbicide; Electron transport rate.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362020000100041
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Tomato post-harvest durability and physicochemical quality depending on silicon sources and doses Horticultura Brasileira
Marodin,Josué C; Resende,Juliano TV; Morales,Rafael GF; Faria,Marcos V; Trevisam,Anderson R; Figueiredo,Alex ST; Dias,Diego M.
ABSTRACT This study aimed to investigate the effect of silicon (Si) sources and doses on the physicochemical quality as well as post-harvest conservation of tomato fruits. Treatments were arranged in a 3 x 5 factorial scheme corresponding to sources {calcium silicate, potassium silicate and sodium silicate} and five doses of Si (equivalent to 0, 100, 200, 400 and 800 kg/ha SiO2). Randomized blocks were the experimental design, with four replications. Soluble solids, vitamin C, lycopene, titratable acidity, mature fruit firmness, initial firmness, firmness half-life, time until reaching firmness equivalent to 3.0 x 104 N/m2 and 2.0 x 104 N/m2 and Si content in fruits were evaluated. Soluble solids, vitamin C and lycopene of fruits increased with increasing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum lycopersicum; Post-harvest conservation; Silicates; Bioactive compounds..
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362016000300361
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Tomato yield and soil chemical attributes depending on previous cover crops Horticultura Brasileira
Galvão,Alexandre G; Resende,Juliano Tadeu V de; Morales,Rafael Gustavo F; Lustosa,Sebastião BC; Dias,Diego M; Marodin,Josué C.
The influence of different cover crops was evaluated over the agronomic performance of tomato hybrids for industrial processing, as well as its effect over soil chemical attributes. The experimental design was completely randomized, in a split plot scheme, with four replications. Main treatments (plots) were composed of winter cover crops (oat, hairy vetch, clover and radish) and of a fallow area (spontaneous vegetation). Subplots were composed of four processing tomato hybrids (AP529, AP533, Kátia and Sicílio). We evaluated the total production (TP), marketable production (CP), average mass of marketable fruits (AMCF) and number of marketable fruits (NCF). Chemical analysis of soil was done in two stages: one week preceding implantation of cover crops and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum lycopersicum; Winter cover; Processing tomato.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362013000100011
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Yield of tomato fruits in relation to silicon sources and rates Horticultura Brasileira
Marodin,Josué C; Resende,Juliano TV; Morales,Rafael GF; Silva,Maria LS; Galvão,Alexandre G; Zanin,Daniel S.
There is controversy about the benefits of silicon (Si) on tomato plants. This element has structural and metabolic functions in the physiology of plants, generating benefits that may result in increased productivity of various plant species. Thus, the aim of this study was to evaluate the phytotechnical characteristics and the productivity of tomato plants according to the rates and sources of Si. The design was established in randomized blocks with factorial 3x5, corresponding to three sources of silicate (calcium silicate, potassium silicate and sodium silicate) and five doses of Si (equivalent to 0, 100, 200, 400 and 800 kg ha-1 of SiO2). The fertilization with Si increased the commercial productivity of tomato plants and reduced the occurrence of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum lycopersycum; Cracked fruits; Potassium silicate; Calcium silicate; Silicon fertilization.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362014000200220
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