Collecting potato pollen

At this time of year, I pollinate potatoes three days per week. I do the blues block one day, the reds another, and then the yellows, diploids, and smaller phenotype blocks on the third. Each day is about 1000 plants and it takes two hours to collect the pollen and about 90 minutes to then perform the pollinations. This is what two hours of pollen collection looks like:
pollen

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