2,4-D LV ester
Rate 2 lb ae/A
Time When leaves are fully developed.
Remarks Two to three annual re-treatments may be necessary for complete control.
Caution Avoid drift to sensitive crops.
Site of action Group 4: synthetic auxin
Chemical family Phenoxy acetic acid
2,4-D + triclopyr (Crossbow)
Rate 1.5% spray solution
Time Apply during active growth, after full leaf expansion, and when moisture and temperature are favorable.
Remarks This product also can be used in dormant stem and conventional basal applications. Refer to label for additional instructions. Re-treatment may be necessary.
Site of action (both) Group 4: synthetic auxin
Chemical family (2,4-D) pyridine; (triclopyr) phenoxy acetic acid
glyphosate
Rate 2 cc (ml) per inch of trunk diameter or 5% solution applied to foliage
Time Apply undiluted to frill cuts or apply to foliage after the Russian olive fully leafs out.
Remarks Spray to wet foliage but not to the point of runoff.
Site of action Group 9: inhibits EPSP synthase
Chemical family None generally accepted
imazapyr (Arsenal)
Rate 2 cc (ml) per inch of trunk diameter or 0.75% solution of the 2 lb ai/gal applied to foliage
Time Apply undiluted to frill cuts or apply to foliage after the Russian olive fully leafs out.
Remarks Spray to wet foliage but do not allow spray to run off foliage.
Site of action Group 2: acetolactate synthase (ALS) inhibitor
Chemical family Imidazolinone