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California Navel Crop Forecast

Len WilcoxCalifornia Corner, Crop Forecast

Navel

The California Department of Food and Agriculture, working with the U.S. Department of Agriculture, has announced that the initial 2021-22 California navel orange forecast is 70 million cartons, down 14% from the previous year. Of the total navel orange forecast, 67 million cartons are estimated to be in the Central Valley. Cara Cara variety navel orange production in the Central Valley is forecast at 6 million cartons. 

These forecasts are based on the results of the 2021-22 Navel Orange Objective Measurement Survey, which was conducted from June 15 to Sept. 1, 2021. Estimated fruit set per tree, fruit diameter, trees per acre, bearing acreage and oranges per box were used in the statistical models estimating production. This forecast includes production of conventional, organic and specialty navel oranges (including Cara Cara and Blood orange varieties).

Survey data indicated a fruit set per tree of 239, down 25% from the previous year and below the five-year average of 344. The average Sept. 1 diameter was 2.145 inches, below the five-year average of 2.208 inches. The Cara Cara orange set was 211 with a diameter of 2.146 inches.

A sample of 785 navel orange groves was randomly selected in proportion to county and variety bearing acreage, and 707 of these were used for the survey. Once a grove was randomly chosen and grower permission was granted, two trees were randomly selected. The navel orange sample included conventional, organic, Cara Cara and blood orange groves.

In the last week of the survey period, fruit diameter measurements were made on the right quadrant of four trees surrounding the two trees of every third grove. These measurements were used to estimate an average fruit diameter per tree. Of the 707 utilized groves, 10 were in Madera County, 119 were in Fresno County, 419 were in Tulare County, and 157 were in Kern County.

A Navel Orange Objective Measurement Survey has been conducted in the Central Valley every year since the 1984-85 season, except for 1991-92. Data from the first two years were used for research purposes in developing crop-estimating models. The Cara Cara forecast was undertaken at the request of the California Citrus Advisory Committee.

See the full report.

Source: California Department of Food and Agriculture

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