EFFECT OF ADJUVANT ON FOLIAR ABSORPTION AND ACTIVITY OF CLETHODIM AND POLAR DEGRADATION PRODUCTS OF CLETHODIM

被引:5
作者
BRIDGES, DC
SMITH, AE
FALB, LN
机构
关键词
CLETHODIM; (E; E)-(-/+)-2-[1-[[(3-CHLORO-2-PROPENYL)OXY]IMINO]PROPYL]-5-[2-(ETHYLTHIO)PROPYL]-3-HYDROXY-2-CYCLOHEXEN-1-ONE; GRAIN SORGHUM; SORGHUM-BICOLOR L PIONEER-8333; UPTAKE; PENETRATION; SURFACTANT; CROP OIL; PHOTODEGRADATION; GRAMINICIDE; SORGHUM-BICOLOR;
D O I
10.1017/S0043174500088342
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Research was conducted to determine foliar absorption of C-14-clethodim and its polar degradation products with rive adjuvants and to compare the relative herbicidal activity of clethodim and its polar degradation products. Differential C-14-clethodim and C-14-polar degradation products absorption occurred among the five adjuvants. Adjuvants that mediated rapid foliar absorption of clethodim did not always mediate rapid foliar uptake of polar degradation products. Herbicidal activity of clethodim exceeded activity of polar degradation products regardless of time of day of application or whether adjuvant was used. Inclusion of adjuvant was required for herbicidal activity of polar degradation products. Clethodim activity declined when applied at 0800 h EDT compared to applications at 2000 h EDT. To maximize herbicidal activity of clethodim, adjuvants should be selected that mediate rapid foliar absorption of both clethodim and the polar degradation products of clethodim and that minimize photodegradation of clethodim.
引用
收藏
页码:543 / 547
页数:5
相关论文
共 15 条
[2]   ABIOTIC TRANSFORMATIONS OF SETHOXYDIM [J].
CAMPBELL, JR ;
PENNER, D .
WEED SCIENCE, 1985, 33 (04) :435-439
[3]   EFFECTS OF PH AND ADJUVANTS ON CLETHODIM PHOTODEGRADATION [J].
FALB, LN ;
BRIDGES, DC ;
SMITH, AE .
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 1990, 38 (03) :875-878
[4]  
FALB LN, 1991, IN PRESS J OFF ANAL
[5]  
FOCKE M, 1987, Z NATURFORSCH C, V42, P1361
[6]   ABSORPTION AND TRANSLOCATION OF CGA-82725 WITH ADDITIVES [J].
GILLESPIE, GR ;
SKRZYPCZAK, GA ;
NALEWAJA, JD .
WEED SCIENCE, 1988, 36 (03) :282-285
[7]   INFLUENCE OF ADJUVANTS AND APPLICATION VARIABLES ON POSTEMERGENCE WEED-CONTROL WITH BENTAZON AND SETHOXYDIM [J].
HARRISON, SK ;
WAX, LM ;
BODE, LE .
WEED SCIENCE, 1986, 34 (03) :462-466
[8]   EFFICACY OF 3 POSTEMERGENCE GRASS HERBICIDES FOR SOYBEANS [J].
HARTZLER, RG ;
FOY, CL .
WEED SCIENCE, 1983, 31 (04) :557-561
[10]   EFFECT OF ADJUVANT AND SPRAY VOLUME ON QUACKGRASS (AGROPYRON-REPENS) CONTROL WITH SELECTIVE POSTEMERGENCE HERBICIDES [J].
KELLS, JJ ;
WANAMARTA, G .
WEED TECHNOLOGY, 1987, 1 (02) :129-132