Method for combatting blackgrass in cereal crops and composition

Details Method for combatting blackgrass in cereal crops and composition Method for combatting blackgrass in cereal crops and composition

1983-07-06

1987-02-03

Mills, Catherine L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71121, A01N 4370

Patent

active

046407057

ABSTRACT:
A method for obtaining satisfactory weed control including control of blackgrass in cereal crops comprising preemergent application of a mixture of terbutryne and trifluralin having a ratio of 1:2 to 2.5:1 and compositions for same, particularly liquid concentrate compositions which do not give crystalline precipitation within 24 hours of emulsification, comprising (a) 7.5 to 18% terbutryne, (b) 15 to 25% trifluralin, (c) 28 to 42% non phytoxic alicyclic ketone, (d) 5 to 15% emulsifier, and (e) stabilizing cosolvent selected from (1) 1 to 3% mesityl oxide, or (2) 8 to 15% lower alkyl esters of C-18 unsaturated fatty acids, or (3) a combination of 10 to 20% isophorone and 1 to 3% di-lower alkyl formamide.

REFERENCES:
Amir et al., Chem. Abst., vol. 85, (1976), 10525HW.
Sarpe et al., Chem. Abst., vol. 93, (1980), 2269p.

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