00518nam a2200169Ia 4500 220204s9999 xx 000 0 und d 1566704057 575:631.523 BRU Brush, Stephen B Genes in the field: On-farm conservation of crop diversity Italy International Plant Genetic REsources Institute 2000 Crop genetic resources Genetic diversity Germplasm resources On farm conservation BK 42369 42369 0 0 0 0 MAIN MAIN 2021-12-16 0 575:631.523 BRU 22643 2021-12-16 00:00:00 2022-02-14 BK