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Onion Thrips Management Guidelines: Using Foliar-Applied Insecticides
Steps for Success STEP 1: Use the highest labeled rate unless specified differently in the Guidelines (Table 1). Read the insecticide label before using the product. STEP 2: Do not apply the same active ingredient or class of chemistry (IRAC group) more than twice during the season. Table 2 lists...
Cover Crops: What to Grow, Why, and When?
Three Categories of Cover Crops "As we discuss cover crops today, it helps to consider three major categories based on the constraints of space and time. In the case of time, we are thinking about seeding date and termination date of the cover crop, which is of course bound by the harvestable crops...
Primary vs. Secondary Stemphylium Leaf Blight Target Spot Lesions
Stemphylium leaf blight (SLB) is a foliar disease of onion that causes tan, black or purple-colored target spots and leaf dieback. When uncontrolled, it results in excessive leaf dieback which causes reduced bulb size/yield and bulb quality. SLB can behave as both a primary and a secondary pathogen...