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They are brown with flared, leaf-like expansions near their feet and a pale band across their wings. [5] L. clypealis is commonly found on juniper, but can be a pest to agricultural crops. [5] In the 1980s, Hasan Bolkan discovered that the leaf-footed bug was a cause of lesions on commercially produced pistachio crops. [6]
Fungal diseases. Alternaria leaf blight [ 1] Alternaria triticina. Anthracnose. Glomerella graminicola ( anamorph Colletotrichum graminicola) Ascochyta leaf spot. Ascochyta tritici. Aureobasidium decay. Microdochium bolleyi.
Dollar spot is a fungal disease of turfgrass caused by the four species in the genus Clarireedia, in the family Rutstroemiaceae. [ 1] The pathogen blights leaf tissues but does not affect turf grass roots or crowns. There is evidence that a fungal mycotoxin produced by the pathogen may cause root damage, including necrosis of the apical ...
Symptoms become evident immediately after infection, and consist of a bright yellowing of the tertiary leaf veins. As the disease progresses, the secondary veins and leaf lamina turn yellow, sometimes without affecting the primary veins, which remain green. Affected plants have not been reported to show other symptoms such as dwarfing or weakness.
Bacterial leaf streak is a pathogen known to infect and damage wheat varieties. The pathogen has also been known to infect other small grain all cereal crops such as rice, barley and triticale. The strains of the pathogen are named differently according to the species they infect. It is one of the most destructive diseases in rice. [15]
Diplocarpon rosae. Diplocarpon rosae is a fungus that creates the rose black spot disease. [ 1] Because it was observed by people of various countries around the same time (around 1830), the nomenclature for the fungus varied with about 25 different names. The asexual stage is now known to be Marssonina rosae, while the sexual and most common ...
Beech leaf disease is a newly discovered lethal disease of beech trees believed to be caused by the nematode Litylenchus crenatae mccannii. [ 1] The symptoms of the disease appear as a dark green, interveinal banding pattern on the lower canopy foliage, eventually spreading throughout the tree. The symptoms appear to progress through the buds ...
Fungal diseases; Alternaria rot Alternaria alternata: Angular leaf scorch Pseudopezicula tetraspora Phialophora-type (anamorph) Angular leaf spot Mycosphaerella angulata Cercospora brachypus [anamorph] Anthracnose and bird's-eye rot Elsinoë ampelina Sphaceloma ampelinum [anamorph] Armillaria root rot (shoestring root rot) Armillaria mellea