- perennial weed
- 多年生杂草
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
perennial weed
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Weed control — is the botanical component of pest control, stopping weeds from reaching a mature stage of growth when they could be harmful to domesticated plants and livestock by physical and chemical methods. In order to reduce weed growth, many weed control… … Wikipedia
Weed — /weed/, n. Thurlow /therr loh/, 1797 1882, U.S. journalist and politician. * * * Any plant growing where it is not wanted. On land under cultivation, weeds compete with crops for water, light, and nutrients. On rangelands and in pastures, weeds… … Universalium
Weed — This article is about plants specifically called weeds. For other uses, see Weed (disambiguation). See also: Invasive species and Volunteer (botany) Contents … Wikipedia
weed — weed1 weedless, adj. weedlike, adj. /weed/, n. 1. a valueless plant growing wild, esp. one that grows on cultivated ground to the exclusion or injury of the desired crop. 2. any undesirable or troublesome plant, esp. one that grows profusely… … Universalium
weed — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ annual, perennial ▪ aquatic, water ▪ noxious (esp. AmE) VERB + WEED ▪ … Collocations dictionary
weed — Synonyms and related words: Canada thistle, DET, DMT, LSD, Mary Jane, STP, THC, abate, abrade, abstract, acid, amphibian, angiosperm, annual, antidepressant, aquatic plant, ataractic, backset, bate, biennial, black sheep, blemish, bones, boo,… … Moby Thesaurus
perennial — adj. Perennial is used with these nouns: ↑fascination, ↑favourite, ↑loser, ↑plant, ↑problem, ↑weed … Collocations dictionary
perennial european sow thistle — noun Usage: usually capitalized E : a perennial sow thistle (Sonchus arvensis) that is native to Europe but widely naturalized as a weed, spreads by creeping underground rhizomes, and has clasping spiny leaves and heads of yellow flowers on long… … Useful english dictionary
perennial — Synonyms and related words: abiding, age long, aged, amphibian, ancient, angiosperm, annual, antique, aquatic plant, articulated, biennial, catenated, ceaseless, chattering, chronic, concatenated, connected, constant, continual, continued,… … Moby Thesaurus
perennial peppercress — noun : a European peppergrass (Lepidium latifolium) introduced into No. America and especially troublesome as a weed in the southwestern United States having extensive rhizomes and leaves distinctly tapered to the base … Useful english dictionary
pascalia weed — /pæsˈkeɪliə wid/ (say pas kayleeuh weed) noun a troublesome perennial weed, Wedelia glauca, family Compositae, widely naturalised in temperate regions …
