Search results
Results from the WOW.Com Content Network
Rust fungi grow intracellularly, and make spore-producing fruiting bodies within or, more often, on the surfaces of affected plant parts. [3] Some rust species form perennial systemic infections that may cause plant deformities such as growth retardation, witch's broom, stem canker, galls, or hypertrophy of affected plant parts.
Leeks suffer from insect pests, including the thrips species Thrips tabaci and the leek moth. [11] [12] Leeks are also susceptible to leek rust (Puccinia allii). [8] Damage from thrips is greatest when under water stress in hot, dry weather. In these conditions, insect reproduction occurs quickly while plant growth is slowed.
Rust lesions can cause leaves or stems to become weak and break or fall off, resulting in decreased photosynthetic ability and extreme difficulty during harvest. Symptoms on the alternate host grasses are small ovular red/brown (rust colored) powdery lesions, which release uredospores .
Rust is an iron oxide, a usually reddish-brown oxide formed by the reaction of iron and oxygen in the catalytic presence of water or air moisture.Rust consists of hydrous iron(III) oxides (Fe 2 O 3 ·nH 2 O) and iron(III) oxide-hydroxide (FeO(OH), Fe(OH) 3), and is typically associated with the corrosion of refined iron.
Puccinia monoica is a parasitic rust fungus of the genus Puccinia that inhibits flowering in its host plant (usually a Boechera species) and radically transforms host morphology in order to facilitate its own sexual reproduction.
Common mistakes people make when removing rust include using chemicals that are too harsh, like hydrochloric acid and chlorine bleach, and not thoroughly cleaning and drying the metal surface ...
Cronartium ribicola is a species of rust fungus in the family Cronartiaceae that causes the disease white pine blister rust. Other names include: Rouille vésiculeuse du pin blanc (French), white pine Blasenrost (German), moho ampolla del pino blanco (Spanish).
Puccinia pelargonii-zonalis is a fungal species and plant pathogen that causes rust on Pelargonium geraniums. [2] It was originally found on the leaves of Pelargonium zonale in KwaZulu-Natal, South Africa. [3]