Growth inhibition of pollen tubes by blocking the aromatic or branched-chain amino acid pathways of biosynthesis [Nicotiana sylvestris]

anther culture antimetabolites antimetabolitos biosynthese biosynthesis crecimiento croissance cultivo de anteras glifosato glyphosate growth herbicidas herbicide herbicides inhibition isoleucina isoleucine leucina leucine metsulfuron nicotiana pesticidal properties polen pollen propiedades plaguicidas valina valine