Crescimento inicial de Marcela (Achyrocline satureioides) em ambiente protegido

  • Marques F
  • Barros I
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Abstract

Avaliaram-se o estabelecimento e crescimento inicial de plantas de marcela e a viabilidade da produção de mudas a partir de sementes. O estudo foi conduzido em casa de vegetação. A semeadura foi feita a lanço sobre um substrato 1:1:1 de turfa, casca de arroz carbonizada e composto orgânico, em bandejas de alumínio. O delineamento experimental foi completamente casualizado, com 10 repetições. Determinou-se a massa fresca e seca de 10 plantas por repetição a cada 10 dias, até os 70 dias após a semeadura. A germinação das sementes foi desuniforme e o ganho de massa fresca e seca indicou que o crescimento inicial foi lento; havendo maior incremento a partir dos 50 dias da semeadura. O estabelecimento das plantas foi satisfatório e a obtenção de mudas através de sementes foi viável.The stablishment, initial growth and viability of the seedling production by seeds of marcela plants were evaluated.. The study was driven at greenhouse. The sowing was made on a pot medium with peat; organic compound and carbonized rice hulls (1:1:1), in trays of aluminum. The experimental design was completely randomized, with 10 replications. Fresh and dry mass was determined every 10 days, until the 70 days after sowing, using 10 plants by replication. Germination was not uniform and plant growth analysis showed that the initial growth was slow, the biggest increment of fresh and dry mass started only at 50 days after sowing. Plant establishment was satisfactory and the seedling production by seeds was viable.

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Marques, F. C., & Barros, I. B. I. de. (2001). Crescimento inicial de Marcela (Achyrocline satureioides) em ambiente protegido. Ciência Rural, 31(3), 517–518. https://doi.org/10.1590/s0103-84782001000300026

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