The tomato stem grafted onto potato roots will allow growers to harvest both tomatoes and potatoes from the plant.
Washington Post columnist and author calls for skilled horticulturists to rise to the challenge.
A handful of garden centers and farms in the New Jersey county are closing due to decreased business, offers from developers.
After three trialing seasons, The National Plant Trials Database has more than 30,000 plant ratings.
A $3 million grant will be used to study two groups of bacterial pathogens, A. tumefaciens and R. fascians.