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EFEITO DE DOSES DE SUPERFOSFATO SIMPLES E DE MATÉRIA ORGÂNICA SOBRE O CRESCIMENTO DE MUDAS DE MARACUJAZEIRO 'AMARELO'

2008; Postgraduate Institute of Agriculture; Volume: 38; Issue: 3 Linguagem: Inglês

10.5216/pat.v38i3.3783

1016-1422

Marco David, Vander Mendonça, Luís Léssi dos Reis, Elisângela Aparecida da Silva, Mauro da Silva Tosta, Priscilla de Aquino Freire,

Growth and nutrition in plants

The objective of this research was to evaluate the effect of doses of organic matter and single superphosphate on the production of yellow passion fruit ( Passiflora edulis Sims f. flavicarpa Deg) seedlings. An experiment was carried out in a screen nursery at 50% shading, at the Agricultural Production Sector , Universidade Estadual do Mato Grosso do Sul, Cassilândia (UUC), Brazil. Four doses of single superphosphate (0.0 kg.m-3; 2.5 kg.m-3; 5.0 kg.m-3; and 10.0 kg.m-3 of substratum), and three doses of organic matter (0%; 20%, and 40%) of the total volume of the substratum were tested. The organic matter was applied as poultry litter. A randomized block design with a 4 x 3 factorial scheme was used, with four replications and seven plants per plot. It was observed that the single superphosphate application at 7.7 kg.m-3 and 40% of organic matter per 1.0 m3 of substratum, provided more vigorous yellow passion fruit seedlings. KEY-WORDS: Passiflora edulis f. flavicarpa ; nutrition; propagation.