SPUR 3L (clopyralid)

Crop   Weed Problem   Pounds Active Ingredient (AI)/Acre   Amount of Commercial Product/Acre   Remarks and Limitations

ASPARAGUS (Established one year or more)   Postemergence broadleaves   0.19-0.25   8-10.7 fl oz   Apply before or during harvest. Maximum of 0.67 pt/acre/year. May cause some crooking of spears. Controls Canada thistle, marestail, mayweed, nightshade, plantain, smartweeds. Avoid application 2 years in succession. 2-day PHI.

CHINESE VEGETABLES   Postemergence broadleaves   0.94-0.188   0.25-0.5 pt   CHINESE CABBAGE (NAPA), CHINESE BROCCOLI (GAI LAN), CHINESE MUSTARD (GAI CHOY). Controls composites (thistles, dandelion, ragweed, etc.), smartweeds, nightshade. 30-day PHI.

HOPS   Postemergence   0.125-0.25   0.33-0.67 pt   For control of Canada thistle and other composite weeds. Apply to weeds before bud stage. May cause minor leaf cupping of hops. Max. 2 applications and 0.67 pt/ac/yr. 21 days between applications. 30 day PHI.