Giant ragweed seeds have high nutritional value, consisting of 47% crude protein and 38% crude fat, and may be an important food source for rodent and invertebrate populations in agricultural and ...

Runny nose? Itchy red eyes? Snee . . . snee . . . achoo! Sneezing fits? Consider it the night crawler's revenge. Wiggly worms may be responsible for the wild spread of giant ragweed, the tall and ...

Giant ragweed exhibits a high degree of polymorphism among individual plants in seed size, shape, spininess, and color. These features may play an important role in giant ragweed seed survival and ...

Q: My property has been invaded by giant weeds that can get 10 feet tall. Each of their big leaves are divided into three pointed lobes. I saw some of these last year and they produced seedy, ...

Ambrosia - ah! Just the sound of the word is pleasing. Ragweed - ugh! The sound of that word makes us shudder. Ragweed is ambrosia, botanically speaking. Ambrosia is the name of a genus, or group of ...

WEST LAFAYETTE, Ind. — Giant ragweed soon could cast a giant shadow on the world's most popular herbicide. Researchers at Purdue and Ohio State universities have confirmed glyphosate-resistant giant ...

Kochia and giant ragweed are formidable broadleaf weeds that share a variety of similarities, making them great candidates to scout for and manage in tandem. Learn how chemical and cultural practices ...

Ragweed is a nuisance you don’t need. At least two ragweed species are native to Colorado, giant ragweed (Ambrosia trifida) and common ragweed (Ambrosia artemisiifolia). These plants are likely to be ...

Minnesota farmers are seeing signs of herbicide resistance in waterhemp and ragweed, prompting University of Minnesota researchers to seek out more samples of weed seed. This is especially worrisome ...

I have several things in common with both my father, David Reid, and my paternal grandmother, Florence Lewis Reid. To look at a picture of each of us is to see resemblance in our face and stature (or ...