SEED RESPONSIVENESSTOEXOGENOUSETHYLENE
The influenceofethyleneonseedgerminationiswelldocu-
mented(CorbineauandCôme,1995; KepczynskiandKepczynska,
1997; Matilla,2000; MatillaandMatilla-Vazquez,2008). Ethy-
lene, ethephon(anethylene-releasingcompound),orACC(the
precursorofethylene)stimulateseedgerminationinnumerous