Marcy potato

Botanical Features

• Marcy plants are tall and semi-erect with no pigmentation in the stem and very prominent wings.
• The sprouts are red-violet with a spherical shape; the tip has a semi-open habit and is weakly pubescent with no pigment while the base is moderately pubescent with moderate pigmentation.
• The leaves have an open silhouette and have a green color except on midribs and petioles, which are not pigmented.
• The primary leaflets are in four pairs, are large and elliptical with the base cordate and the tip acuminate. There are few secondary and tertiary leaflets. The terminal leaflets are medium-sized and have an ovate shape with the tip acuminate and the base cordate with no wavy margins.
• This plant produces no berries but does produce many white flowers with yellow orange anthers from unpigmented buds.
• The tubers have a relatively large, slightly flattened oval shape with few predominantly apical and shallow eyes, with non-prominent eyebrows.
• The skin is highly netted and buff colored.
• Tubers have medium to high specific gravity.

  Agricultural Features

• Marcy has good resistance to common scab and is moderately resistant to golden nematode.
• Marcy has few external defects but is susceptible to internal heat necrosis and hollow heart.
• Marcy is moderately susceptible to late blight and more susceptible to potato wart, PVY, and PVX.