转基因大豆的花粉影响墨西哥蜂蜜质量
文章来源:未知 文章作者:enread 发布时间:2014-02-10 07:01 字体: [ ]  进入论坛
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Mexico is the fourth largest honey producer and fifth largest honey exporter in the world. A Smithsonian researcher and colleagues helped rural farmers in Mexico to quantify the genetically2 modified organism (GMO) soybean pollen3 in honey samples rejected for sale in Germany. Their results will appear Feb. 7 in the online journal, Scientific Reports. David Roubik, senior staff scientist at the Smithsonian Tropical Research Institute, and colleagues developed the ability to identify pollen grains in honey in Panama and in Mexico during the 1980s and 1990s when they studied the effects of the arrival of Africanized bees on native bees. "Nobody else can do this kind of work in the 'big field' environment and be confident that what they are seeing are soybean pollen grains," said Roubik. They found that six honey samples from nine hives in the Campeche region contained soy pollen in addition to pollen from many wild plant species. The pollen came from crops near the bee colonies in several small apiaries4(蜂房).
 
Due to strict European regulations, rural farmers in the Mexican Yucatan face significant price cuts or outright5 rejection6 of their honey crop when their product contains pollen from GMO crops that are not for human consumption. The regional agricultural authorities, furthermore, seemed unaware7 that bees visited flowering soybeans to collect nectar and pollen.
 
"As far as we could determine, every kind of GMO soybean grown in Campeche is approved for human consumption," said Roubik. "But honey importers sometimes do no further analysis to match GMO pollen grains with their source."
 
To test the honey for GMO pollen, researchers from the Smithsonian, El Colegio de la Frontera Sur la Universidad Autonoma de Yucatan and el Instituto Nacional de Investigaciones Forestales, Agropecuarias y Pecuarias sent the nine samples to Intertek laboratory in Bremen, Germany, for genetic1 analysis. Two samples tested positive for GMO pollen.
 
"We cautiously interpret these results as significant for elsewhere in Mexico where some five times the GMO soy grown in Campeche is found and beekeeping is alive and well, not to mention the rest of the world," said Roubik. "Bee colonies act as extremely sensitive environmental indicators8. Bees from a single colony may gather nectar and pollen resources from flowers in a 200-square-kilometer area. With an economy based on subsistence agriculture associated with honey production, the social implications of this shift in the status of honey are likely to be contentious9(有异议的) and have profound implications for beekeeping in general."


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1 genetic PgIxp     
adj.遗传的,遗传学的
参考例句:
  • It's very difficult to treat genetic diseases.遗传性疾病治疗起来很困难。
  • Each daughter cell can receive a full complement of the genetic information.每个子细胞可以收到遗传信息的一个完全补偿物。
2 genetically Lgixo     
adv.遗传上
参考例句:
  • All the bees in the colony are genetically related. 同一群体的蜜蜂都有亲缘关系。
  • Genetically modified foods have already arrived on American dinner tables. 经基因改造加工过的食物已端上了美国人的餐桌。 来自英汉非文学 - 生命科学 - 基因与食物
3 pollen h1Uzz     
n.[植]花粉
参考例句:
  • Hummingbirds have discovered that nectar and pollen are very nutritious.蜂鸟发现花蜜和花粉是很有营养的。
  • He developed an allergy to pollen.他对花粉过敏。
4 apiaries 62fa9121800a210a30fe0659379262d2     
n.养蜂场,蜂房( apiary的名词复数 )
参考例句:
5 outright Qj7yY     
adv.坦率地;彻底地;立即;adj.无疑的;彻底的
参考例句:
  • If you have a complaint you should tell me outright.如果你有不满意的事,你应该直率地对我说。
  • You should persuade her to marry you outright.你应该彻底劝服她嫁给你。
6 rejection FVpxp     
n.拒绝,被拒,抛弃,被弃
参考例句:
  • He decided not to approach her for fear of rejection.他因怕遭拒绝决定不再去找她。
  • The rejection plunged her into the dark depths of despair.遭到拒绝使她陷入了绝望的深渊。
7 unaware Pl6w0     
a.不知道的,未意识到的
参考例句:
  • They were unaware that war was near. 他们不知道战争即将爆发。
  • I was unaware of the man's presence. 我没有察觉到那人在场。
8 indicators f46872fc1b5f08e9d32bd107be1df829     
(仪器上显示温度、压力、耗油量等的)指针( indicator的名词复数 ); 指示物; (车辆上的)转弯指示灯; 指示信号
参考例句:
  • The economic indicators are better than expected. 经济指标比预期的好。
  • It is still difficult to develop indicators for many concepts used in social science. 为社会科学领域的许多概念确立一个指标仍然很难。
9 contentious fa9yk     
adj.好辩的,善争吵的
参考例句:
  • She was really not of the contentious fighting sort.她委实不是好吵好闹的人。
  • Since then they have tended to steer clear of contentious issues.从那时起,他们总想方设法避开有争议的问题。
TAG标签: honey Mexico soybean
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