This paper relates the high incidence of Protopulvinaria pyriformis Cockerell, 1894 (Hemiptera, Coccidae) on Schefflera arboricola (Hayata) Merr. (Araliaceae) and evaluates the effect of soap solutions for its control. The results evidence that this is a promising control method for the pest.
KEY WORDS:
Protopulvinaria pyriformis; Schefflera arboricola; soap solutions; control.
| Tratamentos | Dose | Avaliação | % de Eficiência | |||
|---|---|---|---|---|---|---|
| (mL ou g/L H2O) | 5DAP | 12DAP | 5DAP | 12DAP | ||
| Testemunha (H2O) | - | 5,92 d | 8,42 b | - | - | |
| Acefato | 1,0 | 18,94 a | 18,52 a | 92,47 | 87,22 | |
| Detergente 2% | 20,0 | 7,45 d | 17,37 a | 10,87 | 77,29 | |
| Detergente 5% | 50,0 | 13,54 bc | 18,55 a | 54,12 | 87,48 | |
| Detergente 10% | 100,0 | 18,99 a | 19,80 a | 92,83 | 98,27 | |
| Sabão em pedra 3% | 30,0 | 18,17 ab | 18,13 a | 91,26 | 83,85 | |
| Óleo emulsionável 1% | 10,0 | 12,52 c | 17,37 a | 46,87 | 77,29 | |
| CV % | 7,845 | 6,698 | ||||
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