IN YOUR ORCHARD
honey bee health. This study has shown how US honey bee pesticide exposure has changed over the last decade. It is encouraging that the vast majority of samples analyzed (~ 95%) fell into the “low risk” category, and of the remaining “high risk” samples (HQ score over 1,000), only 5 were classified as “extremely high risk” (HQ scores over 10,000). However, 11 insecticides stood out for having the greatest influence on sample risk scores (Figure 2). Fungicides were often frequently detected at high concentrations, and often multiple fungicides co-occurred in a single sample, particularly in California samples. Fungicide exposure has also been correlated with a number of other colony health issues, and given that the number, frequency and concentration of fungicides found in pollen is on the increase warrants greater attention be given to better understanding their effects on honey bees .
Figure 2: Pesticide Composition for high risk samples (HQ score > 1,000). Each vertical bar represents one sample pesticide profile. Bars are filled to reflect the percentage of the HQ Score contributed by each pesticide found in the sample. Reproduced from Traynor et al. (2021).
TGS IS IN THE ZONE Make Amends Using The Schmeiser Orchard Max Aerator
Jeri Parrent, Bee Informed Partnership Grant Coordinator
Post-Harvest means it’s time to add soil amendments. Patented Smart-Till Tines fracture and open the soil 8” deep with little soil disturbance. Excel at incorporating amendments such as fertilizer or gypsum directly to the soil for Max results. • Incorporate soil ammendments • Reduces soil compaction • Fast at 6-8 mph reducing cost/acre
References: Traynor, K.S., Tosi, S., Rennich, K., Steinhauer, N., Forsgren, E., Rose, R., Kunkel, G., Madella, S., Lopez, D., Eversole, H., Fahey, R., Pet tis, J., Evans, J.D., Dennis vanEngelsdorp, Pesticides in Honey Bee Colonies: establishing a baseline for real world exposure over seven years in the USA, Environmental Pollution, ht tps://doi.org/10.1016/j. envpol.2021.116566.
Call your dealer for a demo or see the video in action at www.TGSchmeiser.com Better Root Zone Management from
1-800-288-8128 • www.tgschmeiser.com
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