Sentence examples for weed species from inspiring English sources

More than 70% of Australia's weed species were originally imported by gardeners or agriculturalists.

As chamomile is also a common native weed species, these plants are remarkably fuss free.

Introducing parasites of parasites has also been used to cut populations of invading or "weed" species of plants and animals that are destroying or outcompeting native species.

Nationwide, sheep grazing is gaining popularity as a low-cost, nontoxic tool in the battle to control leafy spurge, knapweed, dalmatian toadflax and other invasive weed species.

But they are also invasive arable weed species that were only brought to our shores when the first farmers decimated native forest and replaced it with wheat fields.

Scores of weed species have become resistant to the herbicide atrazine, for example, even though no crops have been modified to tolerate it.

Ziska, together with Bunce, has been testing the effects of changing CO2 concentrations on a range of crop and weed species.

Major weed species.

Eighteen (18) weed species were prevalent before the experiment.

Trends were comparable for weed species of particular conservation value.

Such studies are usually based on maps of weed species.