silver leaf disease
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Silver leaf — or Chondrostereum purpureum is a fungal disease of trees. It attacks most species of the rose family Rosaceae, particularly the genus Prunus. The disease is progressive and often fatal. The common name is taken from the progressive silvering of… … Wikipedia
silver — n., adj., & v. n. Chem. 1 a greyish white lustrous malleable ductile precious metallic element, occurring naturally as the element and in mineral form, and used chiefly with an admixture of harder metals for coin, plate, and ornaments, as a… … Useful english dictionary
leaf — leafless, adj. leaflike, adj. /leef/, n., pl. leaves /leevz/, v. n. 1. one of the expanded, usually green organs borne by the stem of a plant. 2. any similar or corresponding lateral outgrowth of a stem. 3. a petal: a rose leaf. 4. leaves… … Universalium
Maple Leaf Rag — First edition cover of Maple Leaf Rag . The Maple Leaf Rag (copyright registered 18 September 1899)[1] is an early ragtime musical composition for piano composed by Scott Joplin. It was one of Joplin s early works, and is one of th … Wikipedia
Chondrostereum purpureum — Fruiting bodies of C. purpureum in a garden near Paris, France Scientific classification Kingdom: Fungi … Wikipedia
silverleaf — ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun Etymology: silver (II) + leaf 1. : any of several plants having silvery leaves: as a. : buffalo berry b. : a hydrangea (Hydrangea radiata) with white tomentu … Useful english dictionary
Biological pest control — Biological control of pests in agriculture is a method of controlling pests (including insects, mites, weeds and plant diseases) that relies on predation, parasitism, herbivory, or other natural mechanisms. It can be an important component of… … Wikipedia
agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… … Universalium
Tea production in Sri Lanka — Main articles: Economy of Sri Lanka and Sri Lanka Tea plantation in the Sri Lankan central highlands … Wikipedia
Sri Lanka — Ceylon redirects here. For the time period of 1948 1972, see Dominion of Ceylon. For other uses, see Ceylon (disambiguation). Democratic Socialist Republic of Sri Lanka ශ්රී ලංකා ප්රජාතාන්ත්රික සමාජවාදී ජනරජය (Sinhala) இலங்கை சனநாயக சமத்துவ… … Wikipedia
