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- Title
Absorption and translocation of glyphosate with conventional and organosilicone adjuvants.
- Authors
SINGH, DEVESH; SINGH, MEGH
- Abstract
This study was conducted to determine the effects of three organosilicone-based and six conventional organic adjuvants on the absorption and translocation of 14C-glyphosate in guineagrass and redroot pigweed. The organosilicone adjuvants produced rapid absorption of the 14C-glyphosate into the redroot pigweed leaves, reaching maximum absorption within 0.5–1.0 h after application. The conventional adjuvants produced slower absorption of the 14C-glyphosate, as the maximum absorption was not achieved until at least 24 h after application in redroot pigweed, remaining similar until 72 h. In guineagrass, the maximum absorption of the glyphosate was earlier than 24 h with the organosilicone-based adjuvants, compared with longer times for the conventional adjuvants. The organosilicone-based adjuvants also increased the glyphosate translocation in redroot pigweed, but not in guineagrass. Organosilicone adjuvants have the potential to provide greater rainfastness to glyphosate on redroot pigweed and, to a lesser extent, on guineagrass.
- Subjects
ABSORPTION; PLANT translocation; GLYPHOSATE; ORGANOSILICON compounds; ADJUVANTS of agricultural chemicals; CONTACT angle; GUINEA grass; SANGUINARIA (Genus)
- Publication
Weed Biology & Management, 2008, Vol 8, Issue 2, p104
- ISSN
1444-6162
- Publication type
Article
- DOI
10.1111/j.1445-6664.2008.00282.x