917.4—Fruit.
Fruit means the edible product of the following kinds of trees:
(b)
All hybrids grown in the production area exhibiting the characteristics of a peach and subject to cultural practices common to peaches as recommended by the committee and approved by the Secretary; and
(c)
All varieties of pears except Beurre Hardy, Beurre D'Anjou, Bosc, Winter Nelis, Doyenne du Comice, Beurre Easter, and Beurre Clairgeau.