Almond and stone fruit growers reduce OP, increase pyrethroid use in dormant spray
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چکیده
منابع مشابه
Changes in pest management practice in almond orchards during the rainy season in California, USA
In California, regulatory agencies are concerned about organophosphate (OP) contamination of surface water. OPs originate in part from applications on dormant almond and stone fruit orchards that are washed off during winter rainstorms. Programs conducted by the University of California Statewide Integrated Pest Management Project, University of California Cooperative Extension, and the Biologi...
متن کاملAlmond organophosphate and pyrethroid use in the San Joaquin Valley and their associated environmental risk
Purpose The purpose of the present study are to analyze the temporal and spatial trends of the pesticide use on almond crops and assess their associated risk to soil, surface water, and air, and to investigate the impacts of pesticide risk on biodiversity. Materials and methods California Pesticide Use Report database was used to determine the organophosphate (OP) and pyrethroid use trends in t...
متن کاملManagement of insecticide resistance in Oriental fruit moth (Grapholita molesta; Lepidoptera: Tortricidae) populations from Ontario.
The development of resistance in the Oriental fruit moth, Grapholita molesta (Busck) to organophosphorus (OP) insecticides (azinphos-methyl and phosmet) is a serious threat to the tender fruit industry in Ontario (50% crop losses in 1994). Resistance to carbamate insecticides and increased survival of field-collected moths at diagnostic concentrations of pyrethroids were widespread. As a result...
متن کاملPatterns of pesticide use in California and the implications for strategies for reduction of pesticides.
We used the California Pesticide Use Reports to study use of fungicides, bactericides, fumigants, and selected insecticides, primarily for vegetable, fruit, and nut production in California from 1993 to 2000. There were no obvious trends in decreased use of most compounds used to treat plant disease. However, growers have rapidly adopted recently introduced "conventional" compounds. There is ve...
متن کاملDetection and characterization of stone fruit virus diseases in Tunisia
The total area used for fruit cultivation in Tunisia is approximately 470,000 ha, producing mainly citrus, grapevine, stone and pome fruits. Stone fruits are cultivated on some 380,000 ha. Among the stone fruits traditionally grown in Tunisia, almond is the most important and widespread crop (310,000 ha). Peach ranks second with about 22,000 ha, while apricot and plum rank third and fourth, bei...
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تاریخ انتشار 2001