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Sencor 480 F, Sencor 75 DF, Conquest A*: metribuzin

Author: OMAFRA Staff
Creation Date: 25 November 2003
Last Reviewed: 21 January 2008
Pub 75: Guide to Weed Control > Notes on Herbicides > Sencor, Conquest A*: metribuzin
Excerpt from Chapter 4, Publication 75, Guide to Weed Control, Order this publication
Trade Names Sencor 480 F, Sencor 75 DF, Sencor Solupak, *Conquest A (available only in Conquest co-pack)
Formulation Su, WG, WG
Guaranteed active concentration 500 g/L, 75%, 75%
Groups  5
Ontario Schedule 2
Winter Storage C
Chemical Family S-triazine
Crop and/or Non-Crop Registrations Established asparagus, faba beans, potatoes, soybeans, transplant tomatoes, apples, apricots, peaches, cherries, corn and triazine-tolerant canola with trifluralin or with terbacil or with metolachlor on apples, apricots, cherries, plums, peaches and pears.
Sensitive Weeds Lamb's-quarters, wild mustard, redroot pigweed, common ragweed, shepherd's-purse, lady's-thumb, velvetleaf, jimsonweed, prostrate pigweed, Russian thistle, yellow wood-sorrel, prickly mallow, chickweed, cocklebur, carpetweed, dandelion seedlings, barnyard grass, crab grass, foxtail, fall panicum, witch grass, Johnson grass seedlings and cheat grass.
Uptake and Translocation Some uptake through the foliage but the major route is via the roots. Translocation upwards in the xylem.
Basis of Selectivity  Degradation by tolerant species.
Application Methods Preplant incorporated (potatoes, soybeans, apples, apricots, peaches, cherries, corn, tomatoes and triazine-tolerant canola); preemergence (asparagus, potatoes, soybeans and triazine-tolerant canola); postemergence (potatoes, tomatoes, corn and triazine-tolerant canola).
Residual Activity Varies with the climate. At normal-use rates the half-life is 1-2 months.
Unique Characteristics Heavy rainfall following application may cause crop damage. Some varieties of potato, soybean and tomato are less tolerant than others. Triazine-resistant weeds are not controlled. Do not use on muck soils.
Manufacturer / Registrant Bayer CropScience

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