The Response of Durum Wheat to the Preceding Crop in a Mediterranean Environment

Table 1

Accumulated growing degree days (GDD) and rainfall during the whole wheat cycle and main growth periods. Growth stages are defined following Zadok’s scale [13].

Period	GDD (°C d)		Rainfall (mm)
	2007-2008	2008-2009	2007-2008	2008-2009
GS00–GS10*	174.6	139.6	85.2	169.2
GS10–GS15	405.8	381.5	191.6	206.4
GS15–GS30	270.5	233.6	38.6	161.2
GS30–GS60	751.4	793.3	103.2	141.6
GS60–GS90	1039.7	1075.6	140.6	69.2
Whole cycle	2641.9	2622.5	559.2	747.6

GS00 seeding, GS10 emergence, GS15 5th leaf unfolded stage, GS30 pseudostem erection, GS60 anthesis, and GS90 physiological maturity.