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|metadata.artigo.dc.title:||Spent mushroom compost as a substrate for the production of lettuce seedlings|
|metadata.artigo.dc.creator:||Marques, Edson Luiz Silva|
Martos, E. T.
Souza, Rovilson Jose de
Zied, Diego Cunha
Dias, Eustáquio Souza
|metadata.artigo.dc.subject:||Spent Agaricus subrufescens substrate|
Lettuce seedling production
|metadata.artigo.dc.publisher:||Canadian Center of Science and Education (CCSE)|
|metadata.artigo.dc.identifier.citation:||MARQUES, E. L. S. et al. Spent mushroom compost as a substrate for the production of lettuce seedlings. Journal of Agricultural Science, [S.l.], v. 6, n. 7, 2014.|
|metadata.artigo.dc.description.abstract:||The successful production of marketable lettuce heads with full exploitation of the genetic potential of a particular cultivar depends on the availability of seedlings of the highest quality. The aims of the present study were (i) to evaluate the effects of substrates containing different proportions of spent mushroom compost on the growth of lettuce seedlings, and (ii) to determine the enduring effects of substrates containing spent mushroom substrate on the vigor of mature lettuce plants derived from such seedlings. The substrates employed in the germination and development of lettuce seedlings were obtained by mixing spent compost from the cultivation of Agaricus subrufescens and commercial vegetable substrate in different proportions. Seedlings were evaluated with respect to the number of leaves and the height, fresh mass and dry mass of the aerial parts, while mature plants were appraised according to stem height and circumference, fresh mass and dry mass of the lettuce head. Substrate containing between 42 to 48% spent mushroom substrate provided the most adequate conditions for the growth and development of crisphead lettuce seedlings and, consequently, of vigorous marketable plants. Under such conditions, the fresh mass of the aerial parts of seedlings attained a level of 0.89 g plant-1, while the fresh mass of the marketable heads achieved a maximum of 233.45 g plant-1. The data presented herein verify that top quality lettuce seedlings yield high quality marketable heads, and that quality improvement can be brought about by the addition of spent mushroom substrate.|
|Appears in Collections:||DAG - Artigos publicados em periódicos|
DBI - Artigos publicados em periódicos
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