Conducting Root Digs for Corn Rootworm | News | Grain-Forage | Rupp Seeds

Conducting Root Digs for Corn Rootworm

August 27, 2020 | By Rupp Seeds

Screen shot image of SeedSCOOP publication discussing how to conduct root digs for corn rootworm.

Root digs are an important part of managing corn rootworm (CRW) because they help to evaluate CRW pressure and with comparing the effectiveness of different control measures. Root digs should take place at the optimum time and the Iowa State University 0-3 node-injury scale (NIS) should be used to evaluate damage.

In this issue of SeedScoop you will learn: 

  • How to dig your samples
  • Proper washing technique
  • How to rate root damage
  • Making management decisions from root ratings

Conducting Root Digs for Corn Rootworm