Data/hora: 12/06/2024 13:49:03

Provedor de dados: 	Bragantia	
País: 	Brazil	
Título: 	Comparison between diploid and tetraploid citrus rootstocks: morphological characterization and growth evaluation	
Autores: 	Guerra,Divanilde; Wittmann,Maria Teresa Schifino; Schwarz,Sergio Francisco; Souza,Paulo Vitor Dutra de; Gonzatto,Mateus Pereira; Weiler,Roberto Luis.	
Data: 	2014-03-01	
Ano: 	2014	
Palavras-chave: 	Citrus; Morphology; Leaf color; Height; Dwarfing.	
Resumo: 	Tetraploid citrus rootstocks may present different morphological characteristics and growth when compared to diploid ones. This worked aimed at comparing morphological characteristics and height growth of diploid and tetraploid plants from the rootstocks 'Swingle' citrumelo [C. paradise Macf. x Poncirus trifoliate (L.) Raf], citrange 'Troyer' (C. sinensis (L.) Osb. x P. trifoliata) and citranges 'Fepagro C 13' and 'Fepagro C 37' [C. sinensis cv. Pêra x P. trifoliata] during twelve months. Diploid (2n=18) and tetraploid (2n=36) plants originated from the same seed were identified, cultivated and evaluated every 45 days regarding color, height, petiole length, leaf length and central leaflet width. Significant differences were observed for the evaluated characteristics: the average of petiole length was 1.78 cm in the diploid and 0.99 cm in the tetraploid plants; the average of leaf length was 2.32 cm in the diploid and 2.95 cm in the tetraploid plants; the average of central leaflet width was 1.33 cm in the diploid and 1.69 cm in the tetraploid plants. Moreover, tetraploid plants had darker and thicker leaves than the diploid ones. Variation regarding height was observed and the diploid plants presented higher growth than the tetraploid ones. As tetraploid plants are smaller, have a slow height growth and wider and longer leaves.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052014000100001	
Editor: 	Instituto Agronômico de Campinas	
Relação: 	10.1590/brag.2014.007	
Formato: 	text/html	
Fonte: 	Bragantia  v.73 n.1 2014	
Fonte: 	info:eu-repo/semantics/openAccess