Search results
Results from the WOW.Com Content Network
The infection of Tar Spot is localized to the chlorotic areas on the leaves and is mostly a cosmetic issue, rather than an economically detrimental disease. [5] The anamorph of tar spot is Melasmia acerina. [5] In late summer, conidiophores are formed in the mass of fungal tissue called the stroma. Stroma is located in the black lesions of the ...
Powdery mildew is one of the easier plant diseases to identify, as the signs of the causal pathogen are quite distinctive. Infected plants display white powdery spots on the leaves and stems. [1] This mycelial layer may quickly spread to cover all of the leaves.
Cristulariella depraedans, commonly known as gray mold spot, sycamore leaf spot or bull's eye spot, is a fungal pathogen that affects maple trees (genus Acer) and certain other woody and herbaceous species. In maples, the foliage becomes affected by small grey lesions which expand and coalesce, the leaves later wilting and falling from the tree ...
Leaf spots can vary in size, shape, and color depending on the age and type of the cause or pathogen. Plants, shrubs and trees are weakened by the spots on the leaves as they reduce available foliar space for photosynthesis. Other forms of leaf spot diseases include leaf rust, downy mildew and blights. [4]
Sycamore leaf spot, caused by the fungus Cristulariella depraedans, results in pale blotches on leaves which later dry up and fall. This disease can cause moderate leaf loss but trees are little affected in the long run. [46] Fungal species Coniothyrium ferrarisianum has also been isolated from leaves of Acer pseudoplatanus in Italy in 1958. [54]
For premium support please call: 800-290-4726 more ways to reach us
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The presence of white spots on your nails can mean a number of things. Experts say the discoloration is most commonly due to injury and is usually not a major cause for concern. However, certain ...