Undesirable vegetation control method

专利摘要:
Compounds of the formula <CHEM> wherein R<1> is hydrogen or C1-C4 alkyl; R<2> is hydrogen, C1-C4 alkyl or R<a>-O-@- wherein R<a> is C1-C4 alkyl; R<1> and R<2> together are alkylene having 3 to 6 carbon atoms; R<3> is hydrogen or C1-C4 alkyl; R<4> is hydrogen or C1-C4 alkyl, R<5> is hydrogen or C1-C4 alkyl; R<6> is hydrogen or C1-C4 alkyl; and R<7> and R<8> independently are (1) hydrogen; (2) halogen; (3) C1-C4 alkyl; (4) C1-C4 alkoxy; (5) OCF3; (6) cyano; (7) nitro; (8) C1-C4 haloalkyl; (9) R<b>SOn- wherein n is the integer 0, 1 or 2; and R<b> is (a) C1-C4 alkyl; (b) C1-C4 alkyl substituted with halogen or cyano; (c) phenyl; or (d) benzyl; (10) -NR<c>R<d> wherein R<c> and R<d> independently are hydrogen or C1-C4 alkyl; (11) R<e>C(O)-wherein R<e> is C1-C4 alkyl or C1-C4 alkoxy; or (12) SO2NR<c>R<d> wherein R<c> and R<d> are as defined, with the proviso that R<7> is not attached to the 6-position, are effective as herbicides.
公开号:SU1715190A3
申请号:SU853995880
申请日:1985-12-19
公开日:1992-02-23
发明作者:Гарви Картер Чарльз
申请人:Стауффер Кемикал Компани (Фирма)；
IPC主号:

专利说明:

g of target compound having a melting point of 132-135 ° C.
Under the conditions of Example 1, other compounds are obtained, a list of which is listed in Table 1.
PRI mme R 2. Dovskhodov processing.
Seeds of experimental plants are sown in special vessels with prepared soil and a day after that, the soil is treated with a solution of the active substance in a water-acetone mixture containing an emulsifier.
The vessels with plants are kept in greenhouse conditions for two weeks and the herbicidal effect is evaluated on a scale from 0 to 100: O - no effect; 100 is full of plant death.
PRI mme R 2. Post-harvest processing.
Experimental plants grown under greenhouse conditions to a stage of 10–12 days are treated with solutions of active substances by spraying the soil, and two weeks after the treatment, the herbicidal effect is evaluated according to the rating scale presented in Example 2.
In tab. 2 shows the IR spectrometry data for the compounds (oil or waxy product).
Pre-emergence and post-emergence treatment of plants with a dose of active substances are given respectively in Table. 3 and 4 (0.112 kg / ha), tab. 5 and 6 (0.56 kg / ha), tab. 7 and 8 (0.28 kg / ha).
In tab. 3-8 experimental plants are marked with the following letters: A - fire: B bristle; B - chaff; G - hedgehog; D sorghum; E - wild oat; W - ipome: 3 - sesbani;
And - a cable-car: K-Kassi: L - mustard: M almonds; H - Cockerel; Oh - sorrel.
For comparison, the known herbicides (1) and (11) were used.
About C1

权利要求:
Claims (1)
[1]
Claims of Invention A method of controlling undesirable plants by treating them or the soil on which they grow, derivatives of cyclohexanedione, characterized in that, in order to increase the herbicidal effect, the compound
Formula D
where RI-RS is independently from each other hydrogen or methyl;
R6 is hydrogen, chlorine, fluorine, bromine, cyano, methylthio, ethylthio, trifluoromethyl, Ci-C3-alkylsulfonyl, chloromethylsulfonyl. dichloromethylsulfonyl, in the amount of 0.112-0.56 kg / ha.
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760, 730. 660 580, 530, 500
Table 9 Table 2
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Pre-emergence treatment of plants at a dose of active substances 0.28 kg / ha
Table 7
23171519024
Continuation of table.8

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法律状态:

优先权:

---

申请号 | 申请日 | 专利标题

---

US68390084A| true| 1984-12-20|1984-12-20|

---