FTIR identification between Amomum villosum hybrid offspring and female parent Comparative study of Casparian strips in the roots and needles of Pinus armandi The Function of Pinus bungeana Foliar Endodermis as Apoplastic Barrier under Salt Stress Study on the Tissue Culture of Gentiana rigescens Franch. ex Hemsl. by Fourier Transform Infrared Spectroscopy FTIR identification between Amomum villosum hybrid offspring and female parent