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2016 Mississippi On-Farm Cotton Variety Trial Program

Filed Under:
Publication Number: P3109
View as PDF: P3109.pdf
The cotton variety selection process is often difficult and, in many cases, leaves growers wondering for the remainder of the growing season whether or not they made the right variety selection decisions. Furthermore, the rapid introduction of new varieties and discontinued production of “older” varieties has become commonplace over the past several years. Historically, a premier variety would remain in the marketplace for a long period of time. However, a variety that performs well today typically has a life span of 4 to 6 years. One that does not perform well will likely remain on the market for less than 3 years. In addition, the historical standard for variety testing information was to have 2 to 3 years of data prior to release of any given variety. Today, 1 to 2 years of “broad-scale” variety testing is common prior to a new variety being released. Therefore, greater demand has been placed upon testing a variety in as many environments as possible as a substitute for multiple years of data. In most cases, variety testing prior to release is conducted by private industry through a series of testing methods and through university official variety trial (OVT) programs. OVT data is typically available for 1 year prior to release of a given variety.

Our on-farm testing program is not designed to replace or compete with small-plot OVT testing programs; rather, it is designed to complement the data that is provided by OVT programs. The use of large-plot variety trial data in conjunction with small-plot OVT data provides a tremendous resource with respect to variety performance to the growers of Mississippi.

Download the PDF for more information.

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Portrait of Dr. Darrin Dodds
Professor and Head
Cotton Agronomics