Germinating seeds can be attacked by a fungus living in the soil that causes damping off. damping off is a major cause of in seedlings.

Damping off is a major cause of reduction in seedlings.

Explanation:

   Damping-off (Rhizoctonia solani) Rhizoctonia solani occurs in a variety of economically important crops, such as potatoes, beans, tobacco, maize and soybeans, causing root rot in early seedling development and causing reduction in seedlings, vigor and seed germination.

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69 is the correct math for the amino acids