Question

What are the differences between the spreading phenomenon of downy mildew and powdery mildew?

Answer 1

Answer:

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Explanation:

Both usually affect only the leaves, but downy mildew can be identified from the fungal layer on the underside of leaf, that develops in moist weather and is accompanied by leaf spots on the top of the leaf. Powdery mildew causes white, powdery, fungal growth in the absence of any leaf spotting.

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Answer 2

✬ EXPLANATION.

❍ REQUIRED ANSWER.

• ☯ Both usually affect only the leaves, but downy mildew can be identified from the fungal layer on the underside of leaf, that develops in moist weather and is accompanied by leaf spots on the top of the leaf. Powdery mildew causes white, powdery, fungal growth in the absence of any leaf spotting.

✬ EXPLORE MORE.

❒ DOWN MILDEW.

• ➯ Downy mildew is caused by the fungus Peronospora parasitica. ... The fungus is transmitted by infected seeds and through contaminated soil and also any infected cruciferous weeds. Symptoms of downy mildew disease on cabbage.

❍ How is downy mildew spread?

• ➣ Downy mildew is a disease of the foliage, caused by a fungus-like (Oomycete) organism. It is spread from plant to plant by airborne spores. It is a disease of wet weather as infection is favoured by prolonged leaf wetness.

❒ POWDERY MILDEW

• ➯ Powdery mildew is a fungal disease that affects a wide range of plants. ... Infected plants display white powdery spots on the leaves and stems. The lower leaves are the most affected, but the mildew can appear on any above-ground part of the plant.

❍ How is powdery mildew spread?

• ➣ Powdery mildew spores typically drift into your garden with the wind, but if you've had powdery mildew occur in the past, new outbreaks may also come from dormant spores in old vegetative material or weeds nearby.

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