Journal of Experimental Biology and Agricultural Sciences VALUING and CONTROLLING
Journal of Experimental Biology and Agricultural Sciences, August - 2020; Volume – 8(4) page 418 – 425 Journal of Experimental Biology and Agricultural Sciences http://www.jebas.org ISSN No. 2320 – 8694 VALUING AND CONTROLLING THE ECONOMIC LOSSES FROM RED PALM WEEVILS (Rhynchophorus ferrugineus) IN RIYADH, SAUDI ARABIA Adel M. Ghanem1, Khalid N. Alrwis1, Othman S. Alnashwan1, Sahar A. Kamara2, SharafAldin B. Ahamed1*, Nageeb M. Aldawdahi1 1Agricultural Economics Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh 11451. 2Agricultural Economics Research Institute, Egypt Received – June 14, 2020; Revision – August 04, 2020; Accepted – August 19, 2020 Available Online – August 25, 2020 DOI: http://dx.doi.org/10.18006/2020.8(4).418.425 KEYWORDS ABSTRACT date palm The current study was carried out to estimate the economic losses caused by red palm weevils in Riyadh, KSA. A well-planned questionnaire and personal interviews from 200 date palm farmers carried out for Red palm weevil primary data collection. Bernoulli or binomial distribution methodology and standard errors at 95% Economic losses confidence level used for estimating the value of removed palm trees. Results of the study revealed that the average incidence of red palm weevils in the sampled farms was 42.5 percent. Due to heavy infestation, 20 Palm value to 167 palm trees were removed from the various studied farms, this ranged, 3.94 percent of the total and 9.28 percent of the total infested palm trees. Due to the rapid spread of red palm weevils and removal of Saudi Arabia severely infested palms, date palm production reduced between 20.0 to 35.1 percent at a confidence level of 95% in the sampled farms.
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