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.
Peas take over three times more water for germination than small grains. Peas should be seeded at least an inch into moisture and never seeded at the interface where moist soil meets dry soil. Optimum seeding depth for peas is 1 to 2 inches.If top soil conditions are dry, peas can be seeded 3 inches deep.eas take over three times more water for germination than small grains. Peas should be seeded at least an inch into moisture and never seeded at the interface where moist soil meets dry soil. Optimum seeding depth for peas is 1 to 2 inches.