Reference for Rosh Hashanah 30:10

ולימא ליה קאמינא לך נהגו ואת אמרת לי איסורא דא"ל במקום איסורא כי נהגו שבקינן (ליה)

Resh Lakish sought to confute R'Johanan from the following: 'As regards wild fig-trees, their seventh year is the second year [of the Septennate] because [after blossoming] their fruit takes three years to grow'.<span class="x" onmousemove="('comment',' Sheb. V, 1 . Which would show that the blossoming is the determining factor in all trees, even those which are all plucked at one time.');">⁷</span>

Jastrow

Jastrow

Jastrow