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

Canada thistle

noun North American

The European creeping or field thistle, which has become naturalized as a serious weed in North America.

Cirsium arvense, family Compositae.

Occasionally, broadleaf weeds, such as Canada thistle or ragweed, become established in winter wheat fields and interfere with grain harvest or with the following soybean crop....

Fields with quackgrass, Canada thistle, and other cool-season perennial weeds will almost always require the use of glyphosate around the time of planting.
As agriculture expanded onto the prairies, wild oats and sow thistle, leafy spurge and Canada thistle migrated westward.

单词	Canada thistle
释义	Canada thistle noun North American The European creeping or field thistle, which has become naturalized as a serious weed in North America. Cirsium arvense, family Compositae. Occasionally, broadleaf weeds, such as Canada thistle or ragweed, become established in winter wheat fields and interfere with grain harvest or with the following soybean crop.... Fields with quackgrass, Canada thistle, and other cool-season perennial weeds will almost always require the use of glyphosate around the time of planting. As agriculture expanded onto the prairies, wild oats and sow thistle, leafy spurge and Canada thistle migrated westward.
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