| 释义 |
Definition of superweed in English: superweednounˈsuːpəwiːd A weed which is extremely resistant to herbicides, especially one created by the transfer of genes from genetically modified crops into wild plants. Example sentencesExamples - Transfer of pesticide-resistant genes to related weeds may produce "super weeds" those immune to commonly used control methods.
- She cited the loss of biodiversity, a decrease in the nutrition of the food supply and the presence of super pests and super weeds as problems.
- In one English Nature showed that in Canada a generation of super weeds is developing.
- It will in fact create more resilient super terrorists just as pesticides, herbicides and genetic engineering have created super pests and super weeds.
- The chemical companies are bringing their spray-resistant super weeds that spread into a GE-free crop.
- Rice genetically modified to be resistant to pollution could potentially cross-breed with other plants to form "super weeds" that no herbicide could kill.
- The hyacinth is an aquatic plant that was introduced from Brazil in the 19th century by misguided holticulturists and has become a devastating superweed.
- Even the term superweed goes back at least to 1949, in a book on hybridizing plant species.
- Studies into the superweed are being carried out at Eden by Camborne School of Mines scientist Dr Loveday Jenkin.
- Suggestions that the testing or using of genetically engineered plants may lead to production of super weeds are similarly unfounded.
- Scientists tackling the thorny problem of a foreign superweed hope a humble insect could halt its rampage across UK gardens.
- Fears over potential super weeds being created are misplaced - since hybrid maize would not be a weed, but merely a GM crop with increased productivity.
- People opposed to genetically modified organisms say we're going to have super weeds taking over the world.
- The first genetically modified superweed has been discovered in Britain - the result of GM oilseed rape cross-breeding with a common weed.
- If a pest- or herbicide-resistant strain were to spread from crops to weeds, a "superweed" could result and be nearly impossible to stop.
- I reject the notion that this is a superweed or that it will confer genetic resistance on other weeds and make them superweeds.
- The super weeds have a greater resistance to widely used herbicides and will be more difficult for farmers to kill.
- Opponents also raise the problem of horizontal gene transfer and the creation of ' super weeds ' and ' super pests '.
- We don't know that these plants won't cross-breed with wild/weed plants to create super weeds.
- A superweed that is the bane of gardeners throughout the UK could be brought under control by introducing a bug from Japan, scientists have suggested.
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