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24 kwi 2019 · Review insights on soybean aphid damage, life cycle and response to climate and management. Read about spraying considerations, Pioneer’s antibiosis ratings, biocontrol, insecticide timing and ongoing research for aphid management strategies.
Good insecticide coverage and penetration is required for optimal control of soybean aphid, as many aphids feed on the undersides of the leaves and within the canopy. Use high water volume and pressure.
The soybean aphid is an invasive pest that is native to eastern Asia, where soybean was first domesticated. The pest was first detected in the U.S. in 2000 (Tilmon et al., 2011) and in South Dakota in 2001. It quickly spread across 22 states and three Canadian provinces.
9 maj 2022 · Soybean aphids are small insects that use piercing-sucking mouthparts to remove plant sap. Infested fields should be scouted frequently. Foliar insecticides can be used to manage soybean aphids when populations surpass economic thresholds.
5 lip 2021 · The soybean aphid life cycle is complex. Soybean aphids overwinter on small woody shrubs called buckthorn. They lay eggs on buckthorn in the fall from which wingless aphids hatch in spring. These aphids will complete two to three generations on buckthorn.
The seasonal life cycle of the soybean aphid is complex with up to 18 generations a year. It requires two species of host plant to complete its life cycle: common buckthorn and soybean. Common buckthorn is a woody shrub or small tree and is the overwintering host plant of the aphid.
It's Time to Scout for Soybean Aphids for information on aphid biology, life cycle, beneficial predator insects, and scouting methods, including web and mobile tools. Understanding the Difference Between Economic Injury Level and Economic Threshold and how it's relevant to aphid management.
