World - weeds
Certain flowers, weeds make tasty salad - San Francisco Gate
25 May 2012, 11:21 pm
Each season, I love discovering new ingredients, or at least finding out that some things I haven't thought of as food are things you can actually eat. Decorative flowers planted to help repel garden pests? Edible. A pesky weed? Delicious.
War on weeds loses ground - Nature.com
22 May 2012, 12:26 pm
With its jumble of leaves and pointy, green, flower spikes, the plant known as pigweed or palmer amaranth (Amaranthus palmeri) isn’t much to look at. But to farmers in the southeastern United States, it is a formidable foe. Having evolved the ability to ...
Battling weeds a busy job - Press Republican
21 May 2012, 4:20 am
In just the past week, my perennial flower garden has transformed into a jungle. The plants and
weeds had been emerging at a relatively normal rate, and I was barely keeping up with them. But then this recent perfect combination of mild temperatures ...
Revenge of the weeds - Scientist
19 May 2012, 6:56 pm
It’s a story suited for a Hollywood horror film, yet it’s also a tenet of evolutionary biology. Introduce a toxin to a system, and you inevitably select for resistant survivors. These few individuals gain a reproductive advantage and ...
Super weeds no easy fix for US agriculture-experts - Reuters
10 May 2012, 5:19 pm
WASHINGTON (Reuters) - A fast-spreading plague of "super
weeds" taking over U.S. farmland will not be stopped easily, and farmers and government officials need to change existing practices if food production is to be protected, industry experts ...