commiss decis decemb continu year commun compar trial test propag materi ornament plant chamaecypari ligustrum vulgar euphorbia fulgen council direct ec start ec commiss european commun regard treati establish european commun regard council direct ec juli market propag materi ornament plant regard commiss decis ec decemb set arrang commun compar trial test propag materi ornament plant council direct ec articl thereof decis ec set arrang compar trial test becarri direct ec ornament plant chamaecypari ligustrum vulgar euphorbia fulgen test trial carri continu adopt decis sole articl commun compar trial test began propag materi ornament plant chamaecypari ligustrum vulgar euphorbia fulgen continu accord decis ec brussel decemb commiss david byrn member commiss oj direct amend direct ec oj oj