Pesticide use California Olive Crop


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Pesticide and Herbicide Use - California Olive Crop

Worldwide figures¹ - Damage to the world olive crop caused by insect pests has been estimated to be 15% or production, or $800 million per annum. Olive growers spend $100 million per year on pests, 1/2 of which is for pesticides.

Herbicides were applied to 38 percent of California's olive acreage, with glyphosate the most commonly used.

Insecticides were used on 31 percent of the acreage. Spinosad was the leading insecticide applied to the crop. It is expected that with the olive fly becoming more endemic, this figure will rise even further.

Fungicides were applied to only 6 percent of the California olive acreage.

These data from National Agricultural Statistics Service, Agricultural Statistics Board, U.S. Department of Agriculture Olives: Pesticide, Total Acreage, Percent of Area Receiving Applications and Total Applied, California, 2001
Area Receiving and Total Applied 1/
Acreage		Herbicide			Insecticide			Fungicide
37,500		Percent 38		1,000 Lbs 20.9	Percent 31	1,000 Lbs 18.1		Percent 6		1,000 Lbs 10.0
1/ Acreage in California includes non-bearing acres. Total applied may include applications of some active ingredients made only to non-bearing acres.
Olives: Agricultural Chemical Applications, California, 2001 1/
Agricultural Chemical	Area Applied		Applications		Rate per Application		Rate per Crop Year		Total Applied
	Percent		Number		Pounds per Acre				1,000 lbs
Herbicides: Diuron Glyphosate Oxyfluorfen Paraquat Simazine Insecticides: Carbaryl Petroleum distillate Spinosad 3/ Fungicides: Copper hydroxide	4 33 5 5 5 2 1 30 5		1.2 2.0 1.6 1.2 1.3 1.1 1.1 4.2 1.1		0.85 0.62 0.14 0.45 0.74 5.49 27.37 3.87		1.05 1.24 0.24 0.55 0.98 6.43 31.91 4.45		1.6 15.2 0.5 1.0 1.8 5.4 12.7 2/ 9.2
1/ Bearing acres in 2001 for California were 37,500 acres. 2/ Total applied is less than 50 lbs. 3/ Rates and total applied are not available because amounts of active ingredient are too small. See National Agricultural Statistics Service (NASS) Agricultural Chemical Use Database

1. http://phero.net/iobc/samos/bulletin/jones.pdf