Scientists are getting closer to finding the genes for maleness in waterhemp and Palmer amaranth, two of the most troublesome agricultural weeds in the U.S.
Plants & Animals
Dec 11, 2020
0
278
After exposing more than 70 million grain amaranth seeds to a soil-based herbicide, researchers were not able to find a single herbicide-resistant mutant. Though preliminary, the findings suggest that the mutation rate in ...
Ecology
May 28, 2019
0
245
Driving across Iowa, Hendrik J. Viljoen, distinguished professor of chemical and biological engineering at the University of Nebraska, noticed that soybean fields were becoming increasingly infested with weeds each season. ...
General Physics
Mar 27, 2019
1
97
Artificial food dyes have been linked to multiple health concerns, including hyperactivity in children, allergies, and certain cancers. The science isn't settled and the Food and Drug Administration says color additives are ...
Plants & Animals
Jan 9, 2023
0
8
Not that long ago, weeds spread at a much slower rate. Seeds would spread to nearby soil and move perhaps a few feet each year or would be transplanted by birds who flew with them several miles away. In today's interconnected ...
Agriculture
Jun 7, 2022
0
8
The world is warming. And fast. By 2050, it's likely the planet will have warmed by about 3.6 degrees Fahrenheit compared to before the Industrial Revolution. That warming brings substantial changes. Storms will be stronger. ...
Plants & Animals
Jan 17, 2022
1
3
Palmer amaranth is a hard-to-control noxious weed that can significantly reduce crop yields. It was first introduced in Minnesota in 2016 through contaminated seed mixes used for conservation plantings.
Ecology
Apr 30, 2021
0
6
For the past 25 years, many farmers across Nebraska have relied on the chemical glyphosate for weed control to have a successful crop harvest.
Plants & Animals
Apr 19, 2021
1
6
Palmer Amaranth is a high-impact agronomic weed species that has cost the United States agriculture industry billions of dollars since its discovery outside of its native range in the southwestern U.S. and northwestern Mexico. ...
Ecology
Apr 5, 2021
0
9
Representing some of the most troublesome agricultural weeds, waterhemp, smooth pigweed, and Palmer amaranth impact crop production systems across the U.S. and elsewhere with ripple effects felt by economies worldwide. In ...
Plants & Animals
Aug 27, 2020
0
9
