Effect of QuitoMax® bioproduct on papaya cultivation (Carica papaya L.) in the nursery phase
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Abstract
The present work was carried out in the central area of the National Institute of Agricultural Sciences (INCA) under covering conditions, with the objective of studying two forms of application of the QuitoMax® bioproduct, in the growth and development of papaya plants (Carica papaya L .) var. Maradol Roja in nursery conditions. Two factors were considered in the study, Factor A: dose of QuitoMax® applied by imbibition of seeds, with three levels (0, 0.1 and 0.2 g L-1 of the product) and Factor B: dose of QuitoMax® applied with foliar sprayer, with three levels (0, 0.1 and 0.2 g L-1 of the product), for a total of nine treatments. The plants grew in a substrate composed of soil and cow manure in the ratio 1:1 (v:v). The nursery was conducted for 60 days, with manual watering three times a week. Every 10 days the height and the number of leaves emitted were evaluated and at 60 days the aerial and root dry mass was quantified.
The effect of the product was observed from 30 dag, with a stimulation of the height and the number of leaves, regardless of the dose or application time. The plants reached a maximum height between 7.70 and 7.90 cm, 10 leaves and 6.67 g of dry mass of the aerial part and 8.3 g of roots. The application of 0.1 g L-1 of QuitoMax® is recommended by imbibing the seed and foliar spraying at 20 dag.
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