New pasture plants pose weed risk
نویسندگان
چکیده
منابع مشابه
New pasture plants intensify invasive species risk.
Agricultural intensification is critical to meet global food demand, but intensification threatens native species and degrades ecosystems. Sustainable intensification (SI) is heralded as a new approach for enabling growth in agriculture while minimizing environmental impacts. However, the SI literature has overlooked a major environmental risk. Using data from eight countries on six continents,...
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We tested the accuracy of an invasive aquatic plant risk assessment system in the United States that we modified from a system originally developed by New Zealand's Biosecurity Program. The US system is comprised of 38 questions that address biological, historical, and environmental tolerance traits. Values associated with each response are summed to produce a total score for each species that ...
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Historically, pasture breeders have not considered environmental weed risk in species selection and assessment. Consequently several pasture or former pasture species are now problematic environmental weeds in Australia. The CRC for Plant-Based Management of Dryland Salinity (CRC) has taken a pro-active approach to prevent further introduction or promotion of weedy pasture species by developing...
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Description: An annual herb reproducing by seed only. Distinguished by flowers and pairs of spiny bracts that occur in the leaf axils. Mature plants are erect, branched and may grow to 1.2 m tall (see Figure 1). Stems are angled in cross section, reddish, fleshy and bear many spines. Leaves are alternate, ovate-rhombic to lanceolate sometimes with sparse hairs on the lower surface and most with...
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ژورنال
عنوان ژورنال: Nature
سال: 2014
ISSN: 0028-0836,1476-4687
DOI: 10.1038/516037e