OAR 603-057-0376: Microencapsulated Methyl Parathion

(1) Microencapsulated methyl parathion shall be subject to the restrictions and conditions on the use thereof as set forth in this rule. (2) In recognition of the possible injurious or adverse effects to bees from their exposure to miroencapsulated methyl parathion, such insecticide: (a) Shall not be applied on any field crop having an average of five or more blooms per square yard for the area to be sprayed; (b) Shall not be applied to any corn crop having ten percent or more of its plants with spike anthers; (c) Shall not be applied on any orchard or vineyard having an average of one or more open blooms per tree or vine (except second bloom of pears); and (d) Shall not be applied on any field crop, orchard, vineyard, fence line, ditch bank or edge of agricultural land, having an average of five or more weed blooms per square yard. (3) The following applications of microencapsulated methyl parathion shall be exempt from the restrictions of section (2) of this rule; if such applications are made in accordance with the label directions for such insecticide, and if such label is a part of the federal and state registrations of such pesticide: (a) Applications on tree fruit in the “Hood River-The Dalles” growing areas made at least 30 days after full bloom of the Red Delicious apples and made not less than 14 days prior to harvest of such tree fruit (the date of Red Delicious apple “full bloom” for any particular area shall be established by the Department, in consultation with the Oregon State University Extension Service Agent for such particular area); (b) Applications on wheat in growing areas east of the Cascade Mountain Range, during the fall and winter seasons of each year; (c) Applications on dry onions when such applications are made by ground equipment; and (d) Applications on white-blooming peas. (4) Microencapsulated methyl parathion is a highly toxic pesticide and therefore is also subject to the restrictions set forth in OAR 603-057-0200.