夏威夷的木瓜在1998年引入基因改良的品种之前,由于环斑病毒的影响,产量已经降低了。
The ringspot virus had halved papaya production in Hawaii before a resistant GM strain was introduced in 1998.
夏威夷大学的科学家建议,将塔罗树修改基因来长出一种更强壮的塔罗树,以更少受到病毒攻击的影响。
Scientists from the University of Hawaii are suggesting that the tarot be genetically modified to create a stronger plant less subject to the virus attacking it.
比如,在夏威夷有一种新的抗虫害的番木瓜树。这种树可以抵抗环斑病毒的感染,而正是这种环斑病毒常常会降低当地番木瓜树的数量。
In Hawaii, for example, a new pest-resistant species of papaya tree has been developed in response to ring-spot virus infections that have repeatedly damaged the native papaya-tree population.
耐药病毒株主要在夏威夷、马萨诸塞和德克萨斯州被观测到。
The resistant strain has been observed mostly in Hawaii, Massachusetts and Texas.
耐药病毒株主要在夏威夷、马萨诸塞和德克萨斯州被观测到。
The resistant strain has been observed mostly in Hawaii, Massachusetts and Texas.
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