Field view of 2009 Macon Ridge test site illustrating variation in symptoms of the green bean malady.

Field view of 2009 Macon Ridge test site illustrating variation in symptoms of the green bean malady.

Varietal expression of green stems and green leaves. The variety on the right is exhibiting both green stems and excessive green leaf retention in spite of mature, brown pods.

Normal crop maturity (left) and stink bug-induced symptoms of the soybean green plant malady (right).

Normal crop maturity (left) and stink bug-induced symptoms of the soybean green plant malady (right).

Soybeans treated with a fungicide displaying green stems.

Nontreated soybeans with the appearance of normal maturity but with a heavy incidence of pod diseases and poor seed quality.

Effectiveness of a chemical harvest aid, paraquat, in desiccating soybean green leaves (right) compared to nontreated plants (left). (Photos by B. Rogers Leonard)

Soybean green plant malady effects on seed quality.