The scientists say virus-resistant transgenic squash are grown throughout the United States and much of Mexico.
VOA: special.2009.10.27
The genetically engineered squash are usually larger and healthier than wild squash.
VOA: special.2009.10.27
This is the species of squash that includes pumpkins and gourds.
VOA: special.2009.10.27
They grew crops of corn, beans and squash.
VOA: special.2010.07.05
应用推荐