Hayes and Garber - Cucurbit Breeding

172 BREEDING CROP PLANTS
normal varieties but invariably blossomed under field conditions
in practically the same period as ordinary varieties of N. tabacum.
FIG. 39. Front row : in twelve-quart buckets exposed to light from 9 a.m.
to 4 p.m. or 7 hours daily. Rear row in twelve-quart buckets exposed to light
from 6 a.m. to 6 p.m. or 12 hours daily. Note that latter are larger plants but
flowered considerably later than the former. (Courtesy of Garner.)
A total of 1820 F z
habit.
plants was grown and 439 were of the giant