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Pythium disease, also known as "Pythium blight," "cottony blight," or "grease spot," is a highly destructive turfgrass disease caused by several different Pythium species. All naturally cultivated cool-season turfgrasses are susceptible to Pythium and if conditions are favorable to Pythium it can destroy a whole turfgrass stand in a few days or less. [1]
Phytoplasma-infected sugarcane can be recognized by visual symptoms, but there are limitations. [1] Visual symptoms occur only after considerable growth, normally two to three weeks after planting. [1] If not observed keenly, confusion may occur on differences between symptoms of SCGS disease and iron deficiency.
It grows in the ears of the crop and converts the kernels into black, powdery fungal tissues. The smut, called huitlacoche by Mexicans and formerly called cuitlacoche by the Aztecs , is a delicacy in Mexico sold in the markets for use in various dishes including soups, stews, steak sauces, and crepes, while in other parts of the world ...
The ideal temperature to grow grass seed varies depending on the type of grass you want for your lawn. Cool-season grasses prefer when air temperatures are around 70 to 75 degrees Fahrenheit.
Dollar spot is most commonly found on closely mowed turfgrasses. The pathogen infects most cool and warm-season grasses throughout the world, including creeping bentgrass (Agrostis stolonifera), annual bluegrass (Poa annua), Kentucky bluegrass (Poa pratensis), perennial ryegrass (Lolium perenne), hybrid bermudagrasses (Cynodon dactylon x tranvaalensis), seashore paspalum (Paspalum vaginatum ...
Here's a handy guide for diagnosing and treating your lawn's post-summer damage.
Panicum mosaic virus (PMV) is a positive-sense single-stranded RNA viral pathogen that infects plant species in the panicoid tribe of the grass family, Poaceae. [1] The pathogen was first identified in Kansas in 1953 and most commonly causes disease on select cultivars of turf grass, switchgrass, and millet.
There are many ways to try and manage Drechslera leaf spot. The most favorable would be to find a resistant plant variety. Other ways include collecting fallen leaves in order to reduce inoculum from plant debris, as well as pruning to increase air circulation for the grasses (a reduction in moisture is unfavorable to the pathogen). [5]