The American Chestnut Foundation was founded in 1983. They s…
The American Chestnut Foundation was founded in 1983. They soon began using __________ to create an American chestnut resistant to the chestnut blight. They first bred the American chestnut with a Chinese chestnut. The offspring were 50% American chestnut and 50% Chinese chestnut. The next step was to backcross the offspring with American chestnut for several generations until the only remnant of the Chinese chestnut in the plant is blight resistance.