rootworm造句
例句與造句
- By 2014 Syngenta Agrisure RW-rootworm strains had been detected in Iowa as well as glyphosate.
- A new corn genetically designed to resist rootworm can go onto the market, the Environmental Protection Agency announced.
- The modification allows the corn to produce its own pesticide against the rootworm pest, reducing reliance on chemical sprays.
- Farmers have had to depend on chemical insecticides and alternating soybean and corn crops every other year to control rootworm.
- Practices that promote strong root systems and a generally vigorous crop make corn more tolerant to rootworm feeding and damage.
- It's difficult to find rootworm in a sentence. 用rootworm造句挺難的
- Western corn rootworm females are more likely to lay some of their eggs below the depth than northern corn rootworm females.
- Western corn rootworm females are more likely to lay some of their eggs below the depth than northern corn rootworm females.
- In the 1980s northern corn rootworm began to be a problem by beating the corn rotation practice with extended diapause eggs.
- In the United States, current estimates show of corn, out of 80 million total are infested with corn rootworm.
- But now, thanks to James Gaggero and a team of researchers, the corn rootworm beetle may have met its match.
- In the spring of 1996, Spencer took a lawn chair and went out into the soybean fields to watch rootworm beetles.
- In both cases the corn contained a bacterial gene, not yet approved for commercial use, designed to kill the rootworm.
- So far this summer, Rothermel has also sprayed to halt corn borer caterpillar and corn rootworm beetle infestations of his seed corn.
- Genetically modified corn seed fights the corn borer, and a new gene being developed will resist corn rootworm, another destructive pest.
- In the United States, current estimates show that of corn ( out of 80 million grown ) are infested with corn rootworm.