- psyllid yellows
-
(used with a sing. or pl. v.) Plant Pathol.a viral disease transmitted by the potato psyllid, causing the young leaves of potatoes, tomatoes, eggplants, and peppers to curl and turn yellow or purplish.
* * *
Universalium. 2010.
* * *
Universalium. 2010.
Psyllid yellows — is a disease of potatoes infested by the potato/tomato psyllid, Bactericera cockerelli. The symptoms are a marked yellowing of the leaves, an upright appearance to the leaves, with severe cases resulting in early death of the plant. Tuber… … Wikipedia
psyllid yellows — noun plural but singular or plural in construction : a virus disease of potatoes characterized by rolling and yellowish discoloration of the leaflets and transmitted by the potato psyllid * * * (used with a sing. or pl. v.) Plant Pathol. a viral… … Useful english dictionary
potato psyllid — noun : a hemipterous insect (Paratrioza cockerelli) that feeds on potato and tomato plants and causes psyllid yellows * * * a tiny homopterous insect, Paratrioza cockerelli, occurring in some areas of the western U.S., western Canada, and Mexico … Useful english dictionary
potato psyllid — a tiny homopterous insect, Paratrioza cockerelli, occurring in some areas of the western U.S., western Canada, and Mexico: a serious pest to potatoes, tomatoes, eggplants, and peppers, the nymphs acting as vectors in the transmission of psyllid… … Universalium
Bactericera cockerelli — is a potato/tomato psyllid native to southern North America. As its name suggests, it is commonly found on potato and tomato crops, where feeding of the nymphs causes a condition called psyllid yellows, presumed to be the result of a toxin.The… … Wikipedia
Zebra chip — Zebra chip, also known as papa manchada and papa rayada, is the term for both an as of yet unidentified pathogen and the disease it causes in potatoes and their derivative products.cite web |author=Kent Atkinson… … Wikipedia
Huanglongbing — on mandarin oranges Huanglongbing (from Chinese 黃龍病 huáng lóng bìng, literally Yellow Dragon Disease), also known as HLB,[1] citrus vein phloem degeneration (CVPD), citrus greening disease, yellow shoot disease, leaf mottle yellows in the… … Wikipedia
homopteran — /heuh mop teuhr euhn, hoh /, adj. 1. homopterous. n. 2. a homopterous insect. [1835 45; see HOMOPTEROUS, AN] * * * ▪ insect order Introduction any of more than 32,000 species of sucking insects, the members of which exhibit considerable… … Universalium
Citrus vein phloem degeneration — (CVPD), also known as Citrus Greening Disease , Yellow Shoot Disease (translated from Chinese huang lunpin , also translated as Yellow Dragon Disease), Huanglongbing , Likubin in Taiwan (translated from Chinese as Immediate Withering Disease),… … Wikipedia