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Temperature stress can also make your plant’s tips turn brown. “Leaves can turn brown if you freeze your plant,” says Borisevich. Avoid this by making sure your plant’s foliage isn’t ...
Corn grey leaf spot can be an extremely devastating disease as potential yield losses range from 5 to 40 US bushels per acre (440 to 3,480 L/ha). At higher disease levels, even greater losses can result. When a corn plant's ability to store and produce carbohydrates (glucose) in the grain is diminished, yield losses take place.
If your plant is sporting crispy, dark or brown tips on the leaves, it may mean you need to water more often. Check the soil moisture, and slowly reduce the number of days in between watering.
Southern corn leaf blight (SCLB) is a fungal disease of maize caused by the plant pathogen Bipolaris maydis (also known as Cochliobolus heterostrophus in its teleomorph state). The fungus is an Ascomycete and can use conidia or ascospores to infect. [ 1 ]
As one of the most devastating pathogens of sweet corn, C. carbonum causes Northern leaf spot and ear rot disease [1] while the asexual stage causes Helminthosporium corn leaf spot. [2] Cochliobolus carbonum is pathogenic to all organs of the corn plant including root, stalk, ear, kernel, and sheath. [ 3 ]
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Northern corn leaf blight on corn Sporulation on corn leaf. Northern corn leaf blight (NCLB) or Turcicum leaf blight (TLB) is a foliar disease of corn caused by Exserohilum turcicum, the anamorph of the ascomycete Setosphaeria turcica. With its characteristic cigar-shaped lesions, this disease can cause significant yield loss in susceptible ...
Plants affected later in their reproductive cycle may experience a slowing in ear development (“Maize Dwarf Mosaic Virus,” n.d.), while some plants may even become barren (Lipps & Mills, n.d.). It is not uncommon for plants to have shortened upper internodes or an increase in tiller number (“Maize Dwarf Mosaic Virus,” n.d.).