Helena Agronomy

Soybean Cyst Nematode with Dr. Greg Tylka 10/3/19

Informações:

Sinopsis

The soybean cyst nematode (SCN) is the single most damaging pest affecting soybean in the United States, where annual yield losses due to SCN have been estimated at about $1.5 billion.  Dr. Greg Tylka joined Iowa State University in February 1990.  He currently is a professor in the Department of Plant Pathology and Microbiology and serves as director of the Iowa Soybean Research Center at Iowa State University.Dr. Tylka discussed 1. Nematode biology: Nematodes hatch from eggs, they go through multiple molts on their way to adulthood.  Similar to just about everything else, their lifecycle is dependent on heat – Soybean Cyst nematode can go through a generation in a little less than a month under the right conditions.  They were introduced from asia in the early 1900’s, They are incredibly small, Greg says a female the size of a period on a printed page have hundreds of eggs.  They move locally through blow through wind, water run off, with equipment.  In the 90’s there was