How Brix (≈Sugar) Levels Impact Insect Pressure on Plants | Dr. Thomas Dykstra [56:38 before questions - (1:25:53)]
(www.youtube.com)https://www.youtube.com/watch?v=bnNOvA3diDUBrix is a measure of the dissolved solids in a liquid, and is commonly used to measure dissolved sugar content of an aqueous solution. It is used to measure the potential alcohol content of a wine before it’s made by determining the sugar level in grapes.
Insect resistance begins:
Aphid group | 6-8 Brix
Sucking insects | 7-9 Brix
Chewing insects | 9-11 Brix
Grasshopper group | 10-12+ Brix
