2-4D and seed?

wisconsinteacher

5 year old buck +
I know that 2-4-d can stay active in the soil for 7-20 days after spraying. I'm hoping to spray and then seed later with brassica, forage oats, spring peas and red clover. I know that the red clover and spring peas need to wait 14 days after. Do the brassicas and oats need to wait as well or can they be seeded 24 hours after spraying?
 
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