Corn Refuge

/Tag: Corn Refuge

Corn Borer & Late Season Pest in Corn

It is that time of year again when it becomes necessary to treat the late season lepidoptera species that can infest your corn crop. The most predominant pests this time of year are normally the two species of corn borer. These worms bore into the ear or the stalk of corn plants causing economic damage. [...]

Applying Insecticides to Refuges

Bt (Bacillus thuringiensis) is a protein inserted into plant genes such as corn, that is toxic to certain insect pests.  Bt corn is used by many farmers and is very beneficial to the management of insect pests.  To avoid insect resistance to Bt genes there must be a nearby refuge.  The refuge is a similar [...]

Rootworm Control Can Be Complicated

The dynamics of managing rootworm larvae and adults has changed tremendously the past 10 to 15 years.  Before the onset of Bt Corn Rootworm (CRW) genetics, before the practice of controlling adults (beetle bombing) for the purpose of controlling next year’s larva population, granular soil insecticides were the norm, and were very effective. These events [...]

Making Sense of Corn Refuges

Managing and complying with corn refuges is always a challenge.  Insect control traits built into the seed has proven to be a great integrated pest management tool for corn growers.  The need for refuges is related to resistance management.  In order for these traits to have a shelf life, we can’t afford to allow resistant [...]

2019-01-15T19:46:02+00:00April 1st, 2014|Categories: Agronomic, Growing Corn (Maize)|Tags: |

Corn Borer Control in a Bt World

Prior to the introduction of the Bt (Bacillus thuringiensis) gene in corn, it was common to treat the vast majority of corn acres in this country for European and/or Southwestern Corn Borer each summer.  In many areas, there are two, possibly three flights of the corn borer moth each year.  The second flight is usually [...]