英语词汇“Hessian fly”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Hessian fly

noun

A gall midge whose larvae are a pest of cereal crops, occurring in all wheat-growing areas.

Resistance in wheat to the Hessian fly, a major insect pest of wheat, is based on a gene-for-gene interaction....

Plant breeders are constantly engaged in a vicious cycle, developing wheats that resist the Hessian fly… for a time.
The Hessian fly spread from Long Island in 1777, and a more widespread impact began to be felt in 1778.

Late 18th century: so named because it was supposed (erroneously) to have been carried to America by Hessian troops during the War of Independence.

单词	Hessian fly
释义	Hessian fly noun A gall midge whose larvae are a pest of cereal crops, occurring in all wheat-growing areas. Mayetiola destructor, family Cecidomyiidae. Resistance in wheat to the Hessian fly, a major insect pest of wheat, is based on a gene-for-gene interaction.... Plant breeders are constantly engaged in a vicious cycle, developing wheats that resist the Hessian fly… for a time. The Hessian fly spread from Long Island in 1777, and a more widespread impact began to be felt in 1778. Origin Late 18th century: so named because it was supposed (erroneously) to have been carried to America by Hessian troops during the War of Independence.
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