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ASHA 777 [7]
2 years ago
10

Why does the fungus: Phytophthora infestans, attack potato crops?

Biology
2 answers:
Andreyy892 years ago
7 0

Answer:

Phytophthora infestans is an oomycete or water mold, a fungus-like microorganism that causes the serious potato and tomato disease known as late blight or potato blight. Early blight, caused by Alternaria solani, is also often called "potato blight".

Explanation:

harina [27]2 years ago
4 0

Answer:

Explanation:

Late Blight is caused by the fungus Phytophthora infestans. The late blight fungus is especially adapted for growth under conditions where water is present and cool temperatures persist. Temperatures ranging from approximately 50 to mid 90s oF will enable disease progression in the field (Franc et al., 1996).

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Neporo4naja [7]

Answer:

1. Another word for chemical weathering is b. disintegration

Chemical weathering is a process by which the rocks are broken down into parts and sediments by the action of a chemical agent such as alkali or acid. The disintegration can be a natural process by which a solid body is broken down into parts or subparts.

2. d. moving water is not an agent of chemical weathering agent.

The chemical weathering can be caused by the agents like lichens which secretes acid on the rock surface and causes it's disintegration, acid rain and salt water are chemical agents that can cause the disintegration of the rock but moving water will have little influence on the hard rock surface.

3. c. chemical weathering is a process which turns rocks and minerals into new substances. The chemical weathering process brings change in the chemical composition of the rocks due to the action of the weathering agents  hence, on disintegration of rocks new substances are formed.

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Natalka [10]

Answer:

Explanation:

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maybe this well help as well

human activity is causing environmental degradation, which is the deterioration of the environment through depletion of resources such as air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; and pollution.

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