What pesticides can I use to grow hemp grain?
A pesticide on hemp grain has to be labeled for hemp. Grain sold as food also has the buyer's spec, which can be tighter than the label on the jug.
What pesticides can I use to grow hemp grain?
Only a product whose label lists hemp. A corn or bean spray does not transfer. Grain that will be food also has to satisfy the buyer, who can refuse a residue the label never mentioned. rechem does not publish a grain spray list. Its grain chemistry is organic, on the seed and in the planting pass, for plants that have to flower and set seed.
Related reading
Related reading
What pesticides can I use to grow hemp fiber?A pesticide on hemp fiber has to be labeled for hemp. A corn or bean spray does not transfer, and a textile lot has a stricter bar than the label alone.
Grain is a seed crop. The pesticide question is still the label, and then it is the person who will take the seed. Heartland says most pesticides and herbicides are not labeled for hemp. Anything that was legal on the corn or beans in that field last year stays legal on corn or beans until the hemp label says otherwise.
The shared chemical note is What chemicals are allowed on hemp?. Fiber has its own page: What pesticides can I use to grow hemp fiber?.
Food is a tighter buyer
A textile standard and a food buyer do not fail a lot for the same reason, but both can fail it. The HFGA textile standard refuses unlabeled crop protection and pre-harvest desiccants, including glyphosate. A grain buyer can write a tighter residue rule than that standard, because the seed is what they mill or sell. Ask for that rule before you spray, not when the truck is loaded.
EPA announced hemp additions to pesticide labels in its 2019 registration note. The list moves. The document that counts is the current label in the Pesticide Product and Label System.
What rechem puts on a grain crop
rechem's grain program is What planting chemistry does hemp grain need?. It is organic chemistry early, so the plants that have to flower and set seed had a fair start. That is the same idea as plant immunotherapy, written for seed rather than stalk. The solution page is Hemp grain.
FAQ
Quick answers about this part of the approach.
Is the grain list the same as the fiber list?
The federal label is the same test: hemp has to be on it. The buyer of seed can be stricter than the buyer of stalks.
Can I desiccate hemp grain before harvest?
Only with a product labeled for that use on hemp. The HFGA textile standard refuses pre-harvest desiccants, including glyphosate, and a food buyer may refuse them too.
Where do I confirm a product?
Read the label on the container, then the current EPA stamped label. Do not trust a printed list from a previous season.
What does rechem apply on grain?
Organic chemistry on the seed and in the planting pass, aimed at plants that will flower and fill, not at a mid-season rescue.
What if spray drifts onto the grain?
Call it contamination. Tell the buyer and the state program. A drifted product can cost a food lot even when the plants still look fine.