Title:	Yield and quality of seeds of lettuce genotypes produced under organic management.
Authors:	SOUZA, J. T. A. COSTA, C. A. da BRANDÃO JUNIOR, D. da S. MENEZES, J. B. de C. NASCIMENTO, W. M. CARDOSO, W. J.
Affiliation:	Josiany Thamara Alves Souza, Universidade Federal de Minas Gerais. Instituto de Ciências Agrárias.; Cândido Alves da Costa, Universidade Federal de Minas Gerais. Instituto de Ciências Agrárias.; Delacyr da Silva Brandão Junior, Universidade Federal de Minas Gerais. Instituto de Ciências Agrárias.; João Batista de Campos Menezes, Universidade Federal de Minas Gerais. Instituto de Ciências Agrárias.; WARLEY MARCOS NASCIMENTO, CNPH; Wesley José Cardoso, Universidade Federal de Minas Gerais. Instituto de Ciências Agrárias.
Date Issued:	2019
Citation:	Journal of Seed Science, v.41, n. 3, p. 352-358, 2019.
Description:	Lettuce is one of the main vegetable species used in organic production. However, studies and research in the organic area are scarce. This study aimed to evaluate the yield and quality of seeds of lettuce genotypes produced in two consecutive years under an organic management system. Two plantations were installed under open field conditions corresponding to autumn/winter in 2016 and 2017. Ten lettuce genotypes were evaluated in four replications using a biofertilizer made from swine manure in the management and manual harvesting of seeds. Evaluations consisted of seed yield (in kg.ha−1), physical test (1000-seed weight), and germination and vigor test (first germination count, germination rate index, and seedling dry matter). The genotype Cubana and two Grand Rapids had higher yields under the tested conditions. Higher seed weights were recorded in 2017. Both genotypes Grand Rapids reached the minimum germination standard established for commercialization (80%). Vanda and AC 5058 showed a better performance for germination rate index and first germination count, while Cinderela had a better seedling dry matter. These varieties were promising for organic cultivation.
Thesagro:	Alface Agricultura Orgânica Produção Orgânica Semente Teste de Sementes Biofertilizante Genótipo Banco de Germoplasma
NAL Thesaurus:	Lettuce Organic foods Biofertilizers Seeds Organic production Gene banks
Keywords:	Grand Rapids (genótipo comercial de alface) Mônica (genótipo comercial de alface) Cinderela (genótipo comercial de alface) Grand Rapids (genótipo de alface da Embrapa) Cubana (genótipo de alface da Embrapa) Vanda (genótipo de alface da Embrapa) AC 5058 (genótipo de alface da Embrapa) AC 5053 (genótipo de alface da Embrapa) AC 5056 (genótipos de alface da Embrapa)
ISSN:	2317-1545
Type of Material:	Artigo de periódico
Access:	openAccess
Appears in Collections:	Artigo em periódico indexado (CNPH)