TY - GEN AU - Qualset, Calvin O. AU - Shands, Henry L. TI - Safeguarding the Future of U. S. Agriculture: The Need to Conserve Thretened Collections of Crop Diversity Worldwide SN - 92-9043-671-9 PY - 2005/// CY - Davis PB - Univ. of California Press KW - Agriculture Pathology KW - GRCP CROP DIVERSITY COLLECTIONS GENEBANKS DISEASES ER -