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Vomitoxin, also known as deoxynivalenol (DON), is a type B trichothecene, an epoxy-sesquiterpenoid.This mycotoxin occurs predominantly in grains such as wheat, barley, oats, rye, and corn, and less often in rice, sorghum, and triticale.
Although an excised corn resembles a barleycorn in shape, the two words 'corn' are unrelated. The word 'corn' for a callus derives from the Latin cornus 'horn', and is related to the Greek keras (whence keratin). The 'corn' of 'barley corn' descends from the Indo-European word for 'grain'. The similarity in form is a historical accident.
Wheat leaf rust (Puccinia triticina) is a fungal disease that affects wheat, barley, rye stems, leaves and grains. In temperate zones it is destructive on winter wheat because the pathogen overwinters. Infections can lead up to 20% yield loss. The pathogen is a Puccinia rust fungus.
Barley-corn, barley-corn, injun-meal shorts, Spunk-water, spunk-water, swaller these warts You then "walk away quick, eleven steps, with your eyes shut, and then turn around three times and walk home without speaking to anybody.
Barley stripe mosaic virus (BSMV), of genus Hordevirus, is an RNA viral plant pathogen whose main hosts are barley and wheat. The common symptoms for BSMV are yellow streaks or spots, mosaic, leaves and stunted growth. It is spread primarily through infected seed and can be spread through mechanical transfer of an infected and uninfected host.
The synonymous late Latin expression is hordeolum, a modulation of the word hordeolus, which is related to hordeum ("barley"), after its resemblance to a barleycorn. In Czech, a sty is called ječné zrno (from ječmen "barley" and zrno "seed or grain"); in German, it is called Gerstenkorn (barleycorn). In Hebrew it is called שעורה Seh-oh ...
Loose smut of barley is caused by Ustilago nuda. [2] It is a disease that can destroy a large proportion of a barley crop. Loose smut replaces grain heads with smut , or masses of spores which infect the open flowers of healthy plants and grow into the seed, without showing any symptoms.
Fusarium ear blight (FEB) (also called Fusarium head blight, FHB, or scab), is a fungal disease of cereals, including wheat, barley, oats, rye and triticale. [1] FEB is caused by a range of Fusarium fungi, which infects the heads of the crop, reducing grain yield.