produção de mudas de capim-limão em diferentes recipientes e substratos transplant production of lemon grass in different recipients and substrates

Clicks: 230
ID: 250600
2009
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Abstract
Os efeitos de recipientes e misturas de substratos, diâmetros de perfilho e comprimentos de lâmina foliar mantida no perfilho foram avaliados para produção de mudas de capim-limão (Cymbopogon citratus (D.C.) Stapf.). No primeiro ensaio testaram-se dois recipientes e nove misturas de substratos. Os substratos avaliados foram pó de coco, casca de arroz carbonizada e esterco bovino na proporção 1:1:2; pó de coco, casca de arroz carbonizada, solo e esterco bovino na proporção 1:1:1:3. O recipiente tubete de 110 cm³ foi melhor que a bandeja de poliestireno expandido com 72 células de 121,2 cm³ para a produção de mudas de capim-limão. Todos os substratos testados resultaram na produção de mudas de capim-limão de boa qualidade. No segundo ensaio, foram testados dois diâmetros de perfilho (>1,5 e <1,5 cm) e quatro comprimentos de lâmina foliar mantida no perfilho (0, 3, 6 e 9 cm). Concluiu-se que, no caso de se usar perfilhos de diâmetros maiores que 1,5 cm, recomenda-se manter uma lâmina foliar de 5,5 cm. E quando usar perfilhos de diâmetros menores que 1,5 cm, recomenda-se retirar toda área foliar para induzir maior perfilhamento.
The effect of recipients, substrate mixtures, diameters of tillers and of different leaf lengths kept on the tiller was evaluated for transplant production of lemon grass (Cymbopogon citratus (D.C.) Stapf.). In the first assay, we tested two recipients and nine mixtures of substrates. The tublet recipient of 110 cm3 was better than the expanded polystyrene foam bed with 72 cells of 121.2 cm3 and all the tested substrates (coconut dust, carbonized rice hulls and bovine manure at rates of 1:1:2, and coconut dust, carbonized rice hulls, soil and bovine manure at rates of 1:1:1:3) resulted in good quality of lemon grass transplants. In the second assay, we tested two tiller diameters (>1.5 and <1.5 cm) and the maintenance of four leaf lengths on tiller (0, 3, 6 and 9 cm). It was concluded that if tillers were thicker than 1.5 cm diameter, then 5.5 cm of leaf length should be kept and if the tiller diameter were inferior to 1.5 cm, then the total leaf area should be cut off in order to promote tilling.
Reference Key
blank2009horticulturaproduo Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Arie F Blank;Maria de Fátima Arrigoni-Blank;Maria A Moreira;Verônica F Amancio
Journal research on biomedical engineering
Year 2009
DOI
10.1590/S0102-05362009000400018
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362009000400018
Keywords
cymbopogon citratus manure casca de arroz carbonizada

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