From: Life history and assessment of grapevine phylloxera leaf galling incidence on Vitis species in Uruguay
Year
Biofix
Start date 2ndgeneration
Start date 3rdgeneration
(K1 = 303 DD, LTT2 = 6.4°C)
(K = 606 DD, LTT = 6.4°C)
2004
1-Oct
2-Nov
30-Nov
2005
3-Nov
26-Nov
2006
30-Oct
25-Nov