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Growth and Visual Symptoms of Nutrients Deficiency in Mangosteens(Garcinia mangostana L.)

American Journal of Plant Sciences 2018年第5期9卷 1014-1028页

作者： Ismael de Jesus Matos Viégas Ricardo Augusto Martins Cordeiro Gabriela Mourao de Almeida Diocléa Almeida Seabra Silva Bianca Cavalcante da Silva Ricardo Shigueru Okumura Mário Lopes da Silva Júnior Sávia Poliana da Silva Joze Melisa Nunes de Freitas Universidade Federal Rural da Amazonia Capanema CampusCapanemaBrazil Institute Federal do Pará Castanhal CampusCastanhalBrazil Universidade Federal Rural da Amazonia Capitao Poco CampusCapitao PocoBrazil Universidade Federal Rural da Amazonia Belém CampusBelémBrazil

The aims of study were to evaluate growth and characterize the visual symptoms of macronutrient and micronutrient deficiencies in mangosteens. The seedlings were cultivated in nutritive solution containing all required macronutrient and micronutrients and in solutions with omission of N, P, K, Ca, Mg, S, B, Cu, Fe, Mn, and Zn, using the missing element technique. The experimental design was completely randomized with five replicates and twelve treatments. Symptoms of nutrient deficiency were accompanied by photographic records and described from beginning until complete definition, in which the plants were collected. Growth was evaluated through of dry mass production and nutrient contents. Nutrients omissions resulted in morphological alterations, characteristic symptoms of nutritional deficiency, promoted the reduction in dry mass production in plant, in which the Fe was most limiting, followed by N, and S. Macronutrients and micronutrients contents, without deficiencies (complete treatment) and deficient in mangosteen leaves were respectively: N (16.4 and 12.5 g kg-1);P (1.1 and 0.2 g kg-1);K (10.2 and 8.1 g kg-1);Ca (6.7 and 1.9 g kg-1);Mg (1.1 and 0.1 g kg-1);S (3.0 and 2.2 g kg-1);B (20 and 16 mg kg-1);Cu (7 and 3 mg kg-1);Fe (266 and 86 mg kg-1);Mn (58 and 17 mg kg-1). The decreasing order in appearance of visual symptoms of deficiency was N > S > K > B > Ca > P > Mg > Mn > Cu > Zn.

关键词： Mineral Nutrition Tropical Fruit Nutritional Deficiency missing element

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