This is a preview. Log in through your library . Abstract Common sunflower (Helianthus annuus L.) interference in onions (Allium cepa L. 'Yellow Granex PRR') was studied at different weed densities ...

This is a preview. Log in through your library . Abstract An in-row competition study was conducted in 1991 and 1992 near Silver Lake, KS to determine the relationship of noncultivated common ...

The common sunflower (Helianthus annuus) with its familiar blooms has been cultivated by Native Americans as far back as 3,000 B.C. They utilized these lofty giants in medicine and as a vital food ...

Researchers at CU are teasing out the modern-day sunflower's genetic history. Humans and sunflowers go way back. American Indians first domesticated the plant — prized for its seeds, oil and beauty — ...

Perhaps one of the greatest achievements of New World, native peoples was their domestication, cultivation and improvement of many native plants they encountered when migrating through and settling ...

My destination was Colonnade Arch, a scenic, buttressed alcove on the rim of the Green River Canyon, west of Canyonlands National Park. I was driving on a 37-mile long dirt road to my campsite, when I ...