1. A change in the chemistry of a gene that is perpetuated in subsequent divisions of the cell in which it occurs; a change in the sequence of base pairs in the chromosomal molecule. 2. De Vries, term for the sudden production of a species, as distinguished from variation. [L. muto, pp.
Sugar or snow peas are grown for their flat, green pods. Peas are a cool-season crop that must mature before the weather gets warm. The ideal growing temperature for peas is 55Â°F to 70Â°F. Sow peas in the garden 6 weeks before the average last frost date in spring or as soon as the soil can be worked.How to plant and spacing.lanting time. Peas are a cool-season crop that must mature before the weather gets warm. The ideal growing temperature for peas is 55Â°F to 70Â°F. Sow peas in the garden 6 weeks before the average last frost date in spring or as soon as the soil can be worked.
Germination. Pea seeds germinate in one to two weeks under ideal conditions. It may take up to a month for the seedlings to emerge if spring temperatures are low. Small pea sprouts resemble blades of grass when emerging from the soil and then develop two leaves before undergoing a growth spurt.are. Keep the seedbed moist and do not allow the soil to dry out, since this stops germination. Gently pull up small invasive weeds as they appear so they do not form large roots and disturb the pea seeds.