Publicação: Foliar and Radicular Absorption of Boron by Beetroot and Tomato Plants
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The isotopic technique was employed to study boron (B) mobility in tomato and beetroot plants under protected cultivation conditions. An experiment was conducted in which both species grew in 10-dm3 vases filled with coconut fiber, under hydroponic conditions. The plants were subjected to four different treatments: (1) no B in the substratum and no foliar fertilization; (2) no B in the substratum, with foliar 10B fertilization; (3) B in the substratum, with foliar 10B fertilization; and (4) 10B in the substratum and no foliar fertilization. The biological growth variables and total B and 10B contents in the plant parts grown after the application of the nutrient were evaluated. For increasing B content in young tissues, the foliar application of this element was not as efficient as application via root system, indicating low mobility of B in the tissues of both beetroot and tomato plants. © 2013 Copyright Taylor & Francis Group, LLC.
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Beta vulgaris L, foliar fertilization, Lycopersicon esculentum Mill, micronutrient, plant nutrition, redistribution, absorption, boron, fruit, hydroponics, isotopic analysis, mobility, plant, trace element
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Inglês
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Communications in Soil Science and Plant Analysis, v. 44, n. 9, p. 1435-1443, 2013.
