lettuce downy mildew
1lettuce mildew — noun : a destructive disease of lettuce caused by a downy mildew (Bremia lactucae) …
2Disease resistance in fruit and vegetables — There are a number of lines of defence against pests (that is, those animals that cause damage to the plants we grow) and diseases in the organic garden, principal among these being the practice of good husbandry, creating healthy soil and… …
3Peronosporaceae — Taxobox name = Peronosporaceae image width = image caption = domain = Eukaryota regnum = Chromalveolata phylum = Heterokontophyta classis = Oomycetes ordo = Peronosporales familia = Peronosporaceae subdivision ranks = Genera subdivision =… …
4List of chickpea diseases — This is a list of diseases of chickpeas (Cicer arietinum). Contents 1 Bacterial diseases 2 Fungal diseases 3 Nematodes, parasitic 4 Viral diseases …
5List of spinach diseases — This article is a list of diseases of spinach (Spinacia oleracea). Contents 1 Bacterial diseases 2 Fungal diseases 3 Nematodes, parasitic 4 Viral diseases …
6weed — 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… …
7Weed — /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… …
8bremia — ˈbrēmēə, rām noun Usage: capitalized Etymology: New Latin, from J.Bremi Wolf died 1857 Swiss naturalist + New Latin ia : a genus of downy mildew fungi (family Peronosporaceae) including a fungus (B. lactucae) that attacks lettuce and related… …
9ЛОЖНАЯ МУЧНИСТАЯ РОСА САЛАТА; ПЕРОНОСПОРОЗ САЛАТА — англ.downy mildew of lettuce нем.falscher Mehltau, Salat франц.mildiou de la laitue возбудитель:Bremia lactucae Regel f. sonchi (Schw.) Dzhanuz. см …
10plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …
