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PHOTOSYNTHETIC EFFICIENCY OF TOMATO PLANTS SUBMITTED TO CALCIUM SILICATE APPLICATION 196
Coutinho, Pablo Wenderson Ribeiro; Echer, Márcia de Moraes; Guimarães, Vandeir Francisco; Lana, Maria do Carmo; Inagaki, Adriano Mitio; Brito, Tauane Santos; Alves, Thatiane Nepomuceno.
The objective was to evaluate the effect of calcium silicate on the chlorophyll content and gas exchange of two tomato hybrids. The design used was in randomized blocks in a 2x5 factorial scheme, with four replications. The first factor was composed of two tomato hybrids: Ivety and Natália, and the second factor was composed of five doses of calcium silicate (0, 150, 300, 450, and 600 kg ha-1), applied to the substrate before planting the seedlings. Gas exchange: net CO2 assimilation rate (A), leaf transpiration rate (E), stomatal conductance (gs), internal CO2 concentration (Ci), water-use efficiency (WUE), intrinsic efficiency water use (iWUE), and instant carboxylation efficiency (ACi); SPAD index and the levels of chlorophylls a, b, and total were...
Tipo: Info:eu-repo/semantics/article
Ano: 2020 URL: http://periodicosonline.uems.br/index.php/agrineo/article/view/4495
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QUALITY OF CAMBUCI PEPPER SEEDLINGS IN RESPONSE TO THE APPLICATION OF NUTRIENT SOLUTIONS 196
Nordi, Nicholas Taborda; Aires, Eduardo Santana; Alves, Thatiane Nepomuceno; Perisato, Samara Moreira; Cardoso, Antonio Ismael Inácio.
One of the main stages in the production system of a crop is the production of quality seedlings since it influences the plants' final performance in the field and their production. The study aimed to evaluate different nutrient solutions in the production of Cambuci pepper seedlings. The design used was a complete randomized design, with six treatments corresponding to the nutrient solutions proposed for the pepper crop by Castellane and Araújo, Claudio Roberto, Hoagland, and Arnon, besides the commercial products Plenan® and Biobokashi®, and a control treatment without fertilization, with six replications. The final evaluation was carried out 45 days after sowing. The following variables were analyzed: stem diameter, plant height, leaf dry matter, shoot...
Tipo: Info:eu-repo/semantics/article
Ano: 2020 URL: http://periodicosonline.uems.br/index.php/agrineo/article/view/4880
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