With a common name such as "corn smut," it is easy to guess that the most common place to find this crop-devastating fungus is on corn plants. The gall-shaped growths of corn smut (Ustilago maydis) are black in color with hues of grey and white closer to where they attach to the host plant. The corn will develop a scorched appearance, which is actually the smut rot.
Odor:
Mildly mushroomy, faintly fruity hint.
In This Article
Attributes
Similar Species
Tips for Finding
Clean and Preserve
Common Questions
General Info About Corn smut
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Attributes of Corn smut
Stem Cross Sections
Hollow or cottony hollow
Flesh
Soft and velvety texture; blue-grayish with some white
Spore Print Color
Brown
Odor
Mildly mushroomy, faintly fruity hint.
Body Color
Gray
White
Blue
Flesh Bruises
The flesh or milk does not discolor when bruised or cut.
The corn smut appears in cultivated areas, particularly cornfields. This fungus forms its tumor-like fruiting body on all of the above-ground parts of a corn plant.
Uses of Corn smut
Corn smut is a culinary delight, especially popular in Mexican cuisine where it's known as 'huitlacoche'. This edible fungus is highly valued for its earthy and smoky flavor, often used to enhance dishes like soups, quesadillas, and tamales. Its availability peaks during the rainy season when corn crops are most susceptible. Despite being a plant pathogen, corn smut is safe to consume and sought after by chefs and food enthusiasts for its unique taste and gastronomic versatility.
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Tips for Finding Corn smut
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When is the Best Time to Find Corn smut
Search for corn smut during late summer to early autumn, following periods of rain which provide the moisture needed for its growth. Ideal temperatures range between 70-85°F (21-29°C) with high humidity.
What are Some Tips for Finding Corn smut
Inspect corn plants, especially those with apparent disease symptoms, as corn smut is typically found on affected parts.
Look for large, swollen galls on corn ears and stems; these grayish-silver growths indicate the presence of corn smut.
Carefully walk along the rows of cornfields, while being mindful not to damage the crop, to thoroughly check for any signs of corn smut.
Keep an eye on irregular formations on the corn plants, as these abnormalities are often caused by corn smut.
How to Clean and Preserve Corn smut
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How to Clean Corn smut
To clean corn smut, choose firm, grey specimens and inspect for insect holes. Gently remove any debris or insects.
Tips on Freezing Preservation of Corn smut
Freezing Methods
Blanching Before Freezing
Freezing Duration
10 - 12 months
Blanching before freezing: Blanch briefly, cool immediately, pat dry, and freeze on a tray.
Tips on Refrigeration Preservation of Corn smut
Refrigerating Methods
Paper Towel Wrapping, Perforated Plastic Bag Storage, Ventilated Container Storage
Temperature
1 - 4 ℃
Refrigerating Humidity
90 - 95 %
Refrigerating Duration
3 - 5 days
Paper Towel Wrapping: Wrap in damp paper towels to maintain humidity and protect from drying out; replace towels as they dry.
Perforated Plastic Bag Storage: Use bags with small holes for a balance of moisture and airflow, preventing sliminess and decay.
Ventilated Container Storage: Store in containers with built-in ventilation to reduce condensation and maintain appropriate air exchange.
Common Questions People Also Ask
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