Modern herbicides make major contributions to global food production by easily removing
weeds and substituting for destructive soil cultivation. However, persistent herbicide …

Imidazolinone herbicides, which include imazapyr, imazapic, imazethapyr, imazamox,
imazamethabenz and imazaquin, control weeds by inhibiting the enzyme acetohydroxyacid …

With no major new site-of-action herbicide introduced into the marketplace in the last 20
years, the stagnation or decline in available herbicides in the past decade in a number of …

In input-intensive crop** systems around the world, farmers rarely proactively manage
weeds to prevent or delay the selection for herbicide resistance. Farmers usually increase …

Red rice has long been a troublesome, conspecific weed of cultivated rice. Rice varieties
carrying certain herbicide-resistant traits acquired through genetic modification (herbicide …

Failure of glyphosate to control Palmer amaranth was first reported in Arkansas in
Mississippi County in June, 2005. The objectives of this research were to (a) confirm …

Auxinic herbicides are widely used for control of broadleaf weeds in cereal crops and
turfgrass. These herbicides are structurally similar to the natural plant hormone auxin, and …

The classification of herbicides by site of action, published in 1997, has been revised. The
classification system uses a numbering system for a herbicide's site of action, chemical …

Sunflower (Helianthus annuus L.) is one of the main oil crops in the world. Sunflower is a
native crop in North America. It was first domesticated by the Indians who used it as food and …

Broomrape, caused by Orobanche cumana, has affected sunflowers since the early 20th
century in Eastern Europe. Currently, it limits sunflower oil production in Southern and …