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Extrato da alga Ascophyllum nodosum (L.) Le Jolis na produção de porta-enxertos de Anonna glabra L.

2016; Sociedade de Ciências Agrárias de Portugal; Volume: 39; Issue: 2 Linguagem: Inglês

10.19084/rca15057

2183-041X

Cydianne Cavalcante Silva, Í. G. Arrais, João Paulo Nobre de Almeida, Lydio Luciano de Goís Ribeiro Dantas, Vander Mendonça,

Plant Growth Enhancement Techniques

The use of bio-stimulant-based extract of seaweed is increasingly entering the agricultural scenario, allowing its use in organic agriculture because of the need for fertilizers, pesticides and natural hormones. The aim of this study was to test the efficiency of the use of the commercial product (Acadian®) based seaweed Ascophyllum nodosum (L.) Le Jolis in the production of rootstock Anonna glabra L. The work was conducted in a greenhouse with 50% shade. The experimental design was completely randomized with five doses of the extract (0, 2, 4, 6 and 8 ml L-1) with six replications. At 150 days after sowing characteristics were evaluated: number of leaves (pcs. / plant), length of the aerial, root and total dry matter (cm), diameter (mm), shoot dry weight of the root system and total (g), and the quality index Dickson. The extract of Ascophyllum nodosum seaweed at a dose 2 ml L-1 produced positive results in the agronomic performance of araticum rootstocks (Anonna glabra L.).