• Fumigant regulations keep coming

Fumigant regulations keep coming

  • April 15th, 2011

Soil fumigation, like this broadcast application, now requires that fumigation management plans be developed to include a long list of components.

The soil fumigation landscape has changed ­dramatically in the last few years. Effective postplant nematicides have been lost, use of methyl bromide as a soil fumigant is on the [...]

  • Old pesticides wanted

Old pesticides wanted

  • March 1st, 2011

Bins should not be used for storing pesticides. The Department of Agriculture can bring all the necessary equipment to the farm to dispose safely of old pesticides.

Mike McCormick wants your old pesticides. Cancelled insecticides? Great. Leaking containers? Even better.

Legal pesticides you no longer need? Those are fine, too, says [...]

  • Rainfastness of pesticides varies

Rainfastness of pesticides varies

  • March 1st, 2011

John Wise carries out his rainfastness work on grapes and apples at Michigan State University’s Trevor Nichols Research Complex, where he is coordinator of research.

Folklore says that after a heavy rainfall, you might as well get your sprayer out and reapply your insecticides. For those old twentieth century ­wettable [...]

Buffers would make orchards vulnerable

  • March 1st, 2011

If no-spray buffers proposed by the U.S. Environmental Protection Agency go into effect, orchardists will be unable to use critical pesticides on a large proportion of their acreage, including products that will be necessary to control new, invasive pests.

The agency is proposing a 500-foot buffer alongside all flowing water [...]

  • Use glyphosate  with caution

Use glyphosate with caution

  • September 1st, 2010

This stunted apple tree, which has a large basal canker, is in an orchard where the grower used glyphosate alone three to four times a year to control weeds. Cuts on the margin of the canker show healthy green tissue.

Growers often express concern that a herbicide program using glyphosate [...]

  • Symptoms of glyphosate damage

Symptoms of glyphosate damage

  • September 1st, 2010

Young trees can show injury after glyphosate application the previous year. One symptom of glyphosate damage is small spindly leaves that look like zinc deficiency. Shoot tips die so you get clustered growth.

Micronutrient (and often some macronutrient) deficiency
Low vigor, slow growth, stunting
Leaf chlorosis (yellowing), complete or between [...]

  • Good Stuff

Good Stuff

  • August 1st, 2010

Owners change at Burrows Tractor
John Riel, who joined Burrows Tractor Company in Yakima, Washington, 32 years ago as a general helper, has bought the company.

Riel started work there after graduating from high school. He became a mechanic in the service department, was promoted to service manager, and transitioned [...]

  • Pox-resistant plum registered

Pox-resistant plum registered

  • July 1st, 2010

The HoneySweet plum is sweet and flavorful and highly resistant to the plum pox virus.

The U.S. Environmental Protection Agency has announced its conditional registration of a plum pox virus resistance gene contained in a new plum variety called HoneySweet.

Dr. Ralph Scorza, research horticulturist at the U.S. Department of Agriculture’s [...]

In My View – Chris Schlect

  • July 1st, 2010

The continued availability of agricultural chemicals used to protect crops from ­harmful pests and diseases is jeopardized from many angles. Costs rise as a result of intensive testing and regulatory requirements imposed by government on chemical manufacturers and formulators; environmental activists fly to court to seek bans on usage; [...]

Good Stuff

  • June 1st, 2010

Voliam label expansion
The California Department of Pesticide Regulation has approved a label expansion for Voliam Xpress insectide, which allows its use on pome and stone fruits, and other crops. Voliam, developed by Syngenta Crop Protection, contains two active ingredients with different modes of action: the diamide insecticide chlorantraniliprole [...]

Growers surveyed on pest practices

  • May 1st, 2010

Washington apple growers are adopting new pest ­management strategies and technologies including safer chemistries, in accordance with the U.S. Environmental Protection Agency phaseout of ­azinphos-methyl (AZM-Guthion) in tree fruits. Because the new chemistries require more precise timing and better spray coverage, use of predictive models and improved application delivery [...]

Fumigation rules delayed

  • April 15th, 2010

New regulations on the use of agricultural fumigants, due to go into effect at the beginning of this year, have been delayed, possibly until the fall, says Mike Conway, general manager for Trident Ag Products in Woodland, Washington.       The proposed regulations are designed to reduce the risks of [...]