Reference for Yevamot 165:9

קידוש דתנן המסכך גפנו על גבי תבואתו של חברו הרי זה קדש וחייב באחריותו דברי רבי מאיר רבי יוסי ורבי שמעון אומרים

R. Judah said: Her [ninth] month is sufficient.<span class="x" onmousemove="('comment',' Should the flow begin prior to the ninth month and continue for three consecutive days she is regarded as a zabah. ');">¹⁷</span> R. Jose and R. Simeon said: Protracted labour cannot extend beyond two weeks.<span class="x" onmousemove="('comment',' Nid. 36b. ');">¹⁸</span> 'Forfeiture'? As we have learned: If one causes his vine to overhang<span class="x" onmousemove="('comment',' Lit., 'to cover'. 'to make a shadow'. ');">¹⁹</span> above the crops of his neighbour, behold he causes thereby their forfeiture,<span class="x" onmousemove="('comment',' Cf. Deut. XXII, 9. ');">²⁰</span> and he is liable to make compensation; so R. Meir. R. Jose and R. Simeon said:

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