Sentences with phrase «more ragweed»

If weather is getting warmer, you're likely to have more ragweed in that area and potentially greater effects on crop production.»

Not exact matches

This gets even worse the closer plants are to sources of carbon dioxide — ragweed growing next to highways produces more potent pollen than ragweed growing away from large roads.
For the more than 40 to 50 million American adult and children who suffer from the misery and discomfort of allergies, protecting themselves and their families from exposure to the usual suspects - ragweed and pollen - means locking them selves indoors.
Ragweed pollen is the bane of many lives in the US, and climate change could help the plant become much more common in Europe by 2050
Itchy eyes and runny noses are rarely fatal, but the risk of allergen exposure is increasing as insects migrate north to newly hospitable land while oak, birch and ragweed disperse pollen more intensely and for longer stretches of the year.
But in plots at the warm end of the tunnel that were also exposed to more CO2, ragweed (Ambrosia artemisiifolia), normally a cool - season plant, took over.
These results are similar to our other studies performed in other highly allergenic taxa such as ragweed but with more extreme outcomes and wider impacts.»
17 One more reason to hate climate change: Researchers report that ragweed pollen season in North America has lengthened since 1995 — by 16 days in Minneapolis, for instance.
«Ragweed casts shade on soy production: Weed more than nuisance for soybean.»
Rising temperatures mean longer and more intense seasons for ragweed and tree pollen, leading to more runny noses and watery eyes.
Ragweed, specifically, grew faster, flowered earlier, and produced significantly more pollen in these urban conditions.
As someone who is also concerned about the impact of ragweed on crops, Ziska states, «If you have more pollen, you have more seed production, and it's likely you will have even more seed the following year.»
The study demonstrated that the number of frost - free days, and a delay in the first autumn frost, has occurred since 1995 as a function of latitude, extending the ragweed pollen season into the fall, particularly for the more northern locations.
What they found was that the ragweed season had indeed extended - for the more northerly study sites particularly - by as much as a month when compared to 1995.
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