California: Cotton Treated For Lygus, Almond Shaking Has Started
The start of the week was hot and dry for most all of the State as a strong high pressure cell centered over the Four Corners region of the Southwestern U.S. was the dominant weather feature for most of the West. As the week progressed, moist monsoonal air from Mexico began to move northward along the western flank of the high pressure cell. By Wednesday, the Four Corners High had shifted east, allowing the monsoonal moisture to stream up into the State from the southeast. This resulted in scattered thunderstorms across the Sierra Nevada and the Northeast Plateau and across the Southern Cascades. By Thursdayand early Friday, light showers had even made their way into portions of the Sacramento Valley, although the amounts from these showers were insignificant. By late Friday, high pressure aloft was again rebuilding over the West. This resulted in a drying and warming trend for the State for the weekend.
Some cotton fields were treated where lygus numbers were building in Kern County. Treatments for white fly started 10 to 12 days ahead of normal in the southern part of the county. In Tulare County, cotton was showing good growth with fields in full bloom. Cotton, corn, and black-eyed peas were irrigated and cultivated for weeds. Silage corn continued to mature and some fields were chopped. Corn was planted as a double crop to wheat. Baling of wheat straw continued. Sudan grass was showing significant growth. Alfalfa fields were treated for beet armyworms. In Fresno County, the cotton crop was holding squares and bolls very well. Armyworm egg masses were noticed in a few alfalfa fields.
Orchards and vineyards were sprayed and irrigated. Table grape harvest in the San Joaquin Valley increased. Wine and raisin type grapes were in veraison. Harvest of apricots, peaches, nectarines, and plums continued. Prunes were beginning to turn; growers were expecting an earlier than normal harvest. Pomegranate and olive fruit developed and increased in size. Apple fruit development was ahead of normal; harvest was expected to begin soon. Valencia orange harvest continued. Ruby Redgrapefruit were harvested for domestic market.
Almond hull split continued; shaking began in a few locations. Almond harvest is expected to start on a larger scale in a week. Pistachio nut fill continued to vary greatly; growers sprayed for Navel Orangeworm. Walnut growers sprayed for husk fly and coddling moth and sprayed trees with whitewash to protect from sunburn.
For More Information: California Crop Weather
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