Effect of phosphorus (P) doses on tomato seedlings production in poor nutrients substrates and its importance on fruit yield

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Martins, Bruno Novaes Menezes [UNESP]
Candian, Joara Secchi [UNESP]
de Lima, Priscilla Nátaly [UNESP]
Corrêa, Carla Verônica [UNESP]
Gouveia, Aline Mendes de Sousa [UNESP]
da Silva, Janaína Oliveira [UNESP]
Santana, Falkner Michael de Sousa
Cardoso, Antonio Ismael Inácio [UNESP]

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The effect of P on different plants and several growth stages are well known to scientists, but there is little information on the effect of P after transplanting the seedling until harvesting. The current study aimed to evaluate the effect of P on tomato seedling and fruit production of Paronset hybrid. Therefore, six treatments (0, 15, 30, 45, 60 and 75mg L-1P) were evaluated in a randomized complete block design with four replications. Monoammonium phosphate (MAP) was used as P source, in addition to coconut fiber substrate. A linear increase was obtained for leaf area, seedling height, shoot and root fresh matter at 75mg P L-1. However, yield and fruits characteristics were not affected by increasing P doses on seedlings.



Coconut husk fiber, Fertigation, Phosphate fertilizer, Solanum lycopersicum, Substrate

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Australian Journal of Crop Science, v. 11, n. 5, p. 567-572, 2017.