VanVleet, Stephen

Do you currently use metalaxyl to fight off Pythium in your legume or chickpea crops? In some notable cases recently, Pythium species in Palouse soils are developing resistance to this previously reli ...

The common barberry (Berberis vulgaris)is a woody shrub that is the alternate host for the stem rust fungus (Puccinia graminis)that afflicts wheat and barley. This WSU publication provides information ...

In 2007, an herbicidal control study was initiated on rangeland infested with ventenata (Ventenata dubia (Leers) Coss & Durieu) near Anatone, Washington. Two rates of imazapic were applied in the e ...

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The control of any weed begins with early detection. The objective of this guide is to aid in the identification and control of invasive weeds found in eastern Washington.

With so many spring wheat varieties, how do you choose? If you’re a grower, small grain seed dealer, or agriculture industry fieldman, this annual spring wheat variety portfolio can be a valuable reso ...

Rush skeletonweed is an exotic herbaceous biennial or creeping perennial plant that has become troublesome in many western states. Rush skeletonweed aggressively infests rangeland, cropland, and dist ...