Sentences with phrase «by ragweed»

The itching produced by ragweed allergy is the same as that produced by oak pollen allergy.

An international team of researchers, led by physician - scientists at Johns Hopkins, reports that a once - daily tablet containing a high dose of a key ragweed pollen protein effectively blocks the runny noses, sneezes, nasal congestion and itchy eyes experienced by ragweed allergy sufferers.

The animals may be spared the misery of hay fever caused by the ragweed pollen that will inevitably drift into their box on currents of air.

Not exact matches

If you look at the chart above you'll see that the amounts of pollen ragweed produces only went up by 1 gram per plant in almost 20 years.

It can also help to avoid mold and ragweed pollen by monitoring your local pollen counts and staying indoors as much as possible on days when pollen counts are high.

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

A single giant ragweed plant can reduce the yield in an area holding 30 soybean plants by as much as half.

Allergies vary from person to person, so even if you're not bothered by spring's tree pollen, summer's grass pollen or fall's ragweed pollen may affect you.

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.

Barnes was surprised by how much the ragweed stifled the soybean in both years.

And soybean yield was reduced by 95 % in 2015 and 80 % in 2016 when common ragweed plants were grown only three inches apart in the soybean row.

So, the scientists think ragweed mostly hurt soybean by starving it of sunlight.

One ragweed plant every 1.6 feet of soybean row decreased soybean yield by 76 % in 2015, and by 40 % in 2016.

Ziska, L. et al., 2011: Recent warming by latitude associated with increased length of ragweed pollen season in central North America.

(1) In a related study, Centipeda demonstrated effectiveness against ragweed pollen model by regulating the infiltration of eosinophil and mast cell proliferation.

Dogs may be affected by inhaling grass pollen in spring and summer or ragweed pollen in late summer and early autumn.

The current study is an effort by Ziska and colleagues to scale up to the continental level to see if climate change had progressed to where a temperature signal could be seen for ragweed in North America.

Ragweed pollen growth, stimulated by increasing levels of carbon dioxide, may be contributing to the rising incidence of asthma, the scientists say.

Recent warming by latitude associated with increased length of ragweed pollen season in central North America.

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.