The epidemiology of the exotic green pit scale insect on Sudan’s main growing Date Palm State had been of
negative impact on dates yield. As cost of the recommended pesticide was high, adoption of the recommendation was
partial. In this study foliar, soil and combined foliar and soil applications of argel were compared for their potency to
control this insect against the recommended pesticide and untreated control. A 100 g argel dose/ palm applied as foliar or
soil dressing gave satisfactory control matching that of the chemical pesticide for around 3 months. Besides, clear yield
gains were obtained upon argel application coupled with optimum cultural practices. Being a safe cheap local herb, argel
can be proposed as an alternative or supplement to the chemical pesticide for the control of the green pit scale insect and
enhanced date palm yield
Awad K. Taha
Khalid O. A. M. Eldoash
Tagelsir I. M. Idris
O. A. A. Sidahmed
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