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Short on Soybean Seed? Consider Conventional Varieties

TAGS: Extension
Short on Soybean Seed? Consider Conventional Varieties
Three new non-Roundup Ready varieties from the North Dakota Agriculture Experiment Station are early, have good lodging resistance and are iron-deficiency chlorosis tolerant.

"The increase in acres and the challenging harvest conditions for soybean seed produced in the region in 2009 may cause a short supply of certain soybean varieties," says Hans Kandel, North Dakota State University Extension agronomist.

While most seed is Roundup Ready, there's a niche for conventional varieties.

The three newest adapted conventional soybean varieties from NDSU are Cavalier, Ashtabula and Sheyenne and are in 0.7, 0.4 and 0.8 soybean maturity groups, respectively, he says.

All have good lodging resistance and show tolerance to soybean iron-deficiency chlorosis where conditions are conducive for iron-deficiency symptoms. In addition, the varieties have good phytophthora root rot resistance.

They are high yielding in their respective regions of adaptation.

Cavalier, the earliest of these varieties, is targeted for areas north of Grand Forks.

Ashtabula, a mid-group zero maturity variety, was developed for the production areas south of Grand Forks and north of Wahpeton.

Sheyenne, a consistently high yielder, is well adapted for the region south of Grandin, such as Cass, Barnes and the southern counties of the Red River Valley and northern counties of South Dakota.

 "With the increased importance of weed management and rotating herbicides, it may be a good option to use conventional soybeans in fields where many consecutive glyphosate herbicide applications have taken place through the years," Kandel says. "Also, producers do not pay a technology fee for conventional soybeans and the seed cost is lower than Roundup Ready soybeans."

Growers may not save for replanting purposes any seeds of varieties protected under a plant patent. However, growers can save their own seed of most conventional soybeans. There also are marketing opportunities to obtain premium payments on some of the conventional, non-GMO (genetically modified organism) soybeans.

Source: NDSU Extension Communications

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