Sentences with phrase «of bt»

Among many reasons, the ministry said it was «necessary to review» the performance of Bt cotton first.
At that time Monsanto said that resistance in the double gene variety of Bt cotton (Bollgard II) had not been observed in India.
Looking at two varieties of Bt cotton in commercial use, containing both single and double genes intended to be toxin to the bollworms, the scientists found that the pests were able to survive.
This led to the government declaring an indefinite moratorium on the commercialisation of Bt brinjal.
Minister for Environment and Forest Jairam Ramesh announced a public consultation to decide the fate of the introduction of Bt brinjal in the country.
«Hopefully this paper will get some attention in Europe and developing countries debating the pros and cons of Bt corn and GM crops in general,» William Hutchison, the lead author of the paper and an entomologist at the University of Minnesota, told me in a phone interview.
Of course there are still other issues to weigh in assessing the merits of the widespread use of Bt corn, including evidence that the toxin expressed by the inserted genes is showing up in streams.
If Adam would have good enough blue - tooth stack, supporting other side of that bt profile,, that might be enough
In March of this year, Brazilian researchers studied the effects of Bt, a microbial control agent used widely on plants with GMO that resist Bt.
A breakthrough came in 1996 with the introduction of Bt cotton, a genetically engineered crop containing a gene transferred from the bacterium, Bacillus thuringensis, endowing the plants with a protein that kills some, but not all insects.
Different strains of Bt produce proteins that target different species of insect.
Organic farmers grow up vats of Bt to spray on their crops.
West African farmers will have to wait much longer to access the benefits of Bt crops.
Figure 3C provides a representative visualization of Bt gene selection for Mouse 2 (plots for other mice are shown in Supplementary Fig S3).
Jairam Ramesh has decided to hold a series of public consultations before finalizing his decision on release of Bt - brinjal, the first food crop to come up for consideration before the government.
Effective positional coverage across the entire Bt genome for each mouse (m1 — m5) begins with essentially even coverage of the Bt genome of ˜6 Mb, but drops rapidly over the experimental time ‐ course, representative of selection at specific loci.
The action would halt ongoing field trials of Bt cotton by the St. Louis - based biotechnology firm Monsanto.
Economic impacts and impact dynamics of Bt (Bacillus thuringiensis) cotton in India.
But the adoption of Bt cotton in that part of India was relatively recent and the positive impacts wouldn't necessarily last.
For about 20 years, growers have made use of Bt crops to limit crop damage from pests.
In many cases they need to apply at least one pesticide spray, which makes planting of Bt varieties less attractive.
In line with other known cases of Bt - resistance, resistance in Busseola fusca was expected to involve modification of the cells in the gut wall, which prevents the toxin from binding.
In fact, in the case of Bt corn, farmers are required to plant a section of their fields with refuge crops.
When insects from such a species carry two copies of a resistance gene, they can survive high doses of Bt.
Binding of Bt toxin to cadherin is an essential step in the intoxication process.
Although the sprayed fields had fewer larvae overall, those survivors were more likely to carry resistance genes, presumably because the double - whammy of Bt crops in neighboring rows and the added Bt spray increased the selection pressure on the insects.
In Asia, the Japanese Ministry of Agriculture, Forestry and Fisheries announced in late June that it was suspending approval of Bt crops for agricutural purposes, pending the establishment of criteria by a special committee on genetically modified organisms.
Surveys of American farmers by the Department of Agriculture show that the use of Bt [pest - resistant] corn aimed at the corn borer, for example, hasn't done much to reduce the application of pesticides to corn, because the vast majority of corn acreage isn't treated with pesticide to control that pest.
The introduction of Bt cotton, however, has resulted in a measurable drop in pesticide use.
But as the use of Bt toxins increases, so does the fear of developing Bt - resistant strains of insects.
In the case of the Bt potato, they succeeded in finding and incorporating the right gene.
From this perspective, it is heartening that the Government of India has recently given approval for the test planting of Bt cotton, which hopefully will reduce dependence on chemical pesticides in years to come.
Kongming Wu, director of the Institute for Plant Protection at the Chinese Academy of Agricultural Sciences in Beijing said, «This review paper will be very helpful for understanding insect resistance in agricultural systems and improving strategies to sustain the effectiveness of Bt crops.»
Their report indicates that in the worst cases, resistance evolved in 2 to 3 years; but in the best cases, effectiveness of Bt crops has been sustained more than 15 years.
While organic farmers have used Bt proteins in sprays successfully for more than half a century, some scientists feared that widespread use of Bt proteins in genetically engineered crops would spur rapid evolution of resistance in pests.
An encouraging development is the recent commercialization of biotech crops producing a novel type of Bt protein called a vegetative insecticidal protein, or Vip.
Because these two groups of Bt proteins are so different, cross-resistance between them is low or nil, according to the authors of the study.
«As expected from evolutionary theory, factors favoring sustained efficacy of Bt crops were recessive inheritance of resistance in pests and abundant refuges,» Carriere said.
They discovered resistance that substantially reduced the efficacy of the Bt crops in the field in 16 cases as of 2016, compared with only three such cases by 2005.
Due to the lower costs of production (lower pesticide use) and higher yields resulting from the planting of Bt cotton, farmers have experienced increased incomes.
The report quotes a former official saying that he felt he was pressured by industry and other officials to approve the release of Bt brinjal.
Former environment minister Jairam Ramesh held a countrywide series of public hearings and in February 2010 imposed an indefinite moratorium on the release of Bt brinjal.
The court ordered the permanent cease of Bt talong field trials and the protection, rehabilitation and restoration of the environment.
The appellate court granted the Writ of Kalikasan and ordered for the permanent stopping of Bt - talong field trials in the country.
Apart from permanently stopping the field testing of Bt talong, it also declared the Department of Agriculture's administrative order No. 8 - 2002 null and void resulting to a halt on the application for field testing, contained use, propagation and importation of genetically modified organisms (GMOs) pending the promulgation of a new administrative order.
«We are overjoyed on the decision of the Supreme Court to stop the field testing of Bt talong.
MASIPAG, a farmer - scientist network, is one of the petitioners that filed a Writ of Kalikasan against the field testing of Bt talong, saying that the said GM crop will affect the people's right to a healthy and balanced ecology.
Yesterday Bt talong proponent Dr Desiree Hautea, in a news article, said that they are now targeting the commercialization of Bt talong production within a year's time.
While the SC said that the Bt talong proponents neither went beyond the field - testing phase nor distributed the product commercially, MASIPAG is firm that the proponents will push for another round of Bt talong field trials and commercialization in the future.
«Pest resistance has increased in the past decades coupled with the increase in cost of Bt cotton production.
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