HERBICIDAL COMPOSITIONS COMPRISING, AND METHODS OF USE OF, HERBICIDALLY ACTIVE PYRANDIONES
申请人:Chung Richard Chi Shing
公开号:US20130137573A1
公开(公告)日:2013-05-30
The resent invention relates to a method of controlling weeds in crops of rice, which comprises applying compound A-13, whose structure is, to the plants or to the locus thereof; a method of controlling
Echinochloa
weeds and/or
Leptochloa
weeds in crops of useful plants, which comprises applying compound A-13 to the plants or to the locus thereof; and a herbicidal composition containing compound A-13. The present invention also relates to a herbicidal composition comprising as active ingredient a mixture of a) a herbicidally effective amount of a compound of formula (I) wherein: R
1
is cyclopropyl, R
2
is optionally substituted phenyl, R
4
, R
5
, R
6
and R
7
, independently of each other, are hydrogen or C
1
-C
4
alkyl, Y is O, and G is hydrogen, an alkali metal, alkaline earth metal, sulfonium, or ammonium, or G is a latentiating group which is C(O)—R
a
or C(0)-0-R
b
; and b) a co-herbicide selected from the group consisting of fenoxasulfone, ipfencarbazone, propyrisulfuron, and Λ/-[2-[(4,6-dimethoxy-1,3,5-triazin-2-yl)carbonyl]-6-fluorophenyl]-1,1-difluoro-Λ/-methylmethanesulfonamide.
本发明涉及一种控制水稻作物中杂草的方法,包括将化合物A-13施加到植物或其生长部位;一种控制有用植物作物中稗草和/或狭穗草的方法,包括将化合物A-13施加到植物或其生长部位;以及含有化合物A-13的除草剂组合物。本发明还涉及一种除草剂组合物,包括以下活性成分的混合物:a)式(I)中的化合物,其中:R1为环丙基,R2为可选取代的苯基,R4、R5、R6和R7各自独立地为氢或C1-C4烷基,Y为氧,G为氢、碱金属、碱土金属、烷基磺酸盐或铵盐,或G为潜隐基,其为C(O)-Ra或C(0)-0-Rb;以及b)从菲诺磺隆、依硫磺隆、普洛吡磺隆和Λ/-[2-[(4,6-二甲氧基-1,3,5-三嗪-2-基)羰基]-6-氟苯基]-1,1-二氟-Λ/-甲基甲烷磺酰胺中选择的共同除草剂。