International beta genetic resources network a report on the 2nd international beta genetic resources workshop held at the institute for crop science and plant breeding,braunschweig, Germany ,24-28 june 1991 - Rome IBPGR 1992 - lxxix,74p. 30cm - International crop network series 7 .

9290432144


PRODUCTION OF PROPAGATIONAL ORGANISMS AND NEW VARIETIES
CULTIVATION AND HARVESTING
AGRICULTURAL AND SPECIFIC TECHNIQUES
SPECIAL TECHNIQUES
DEVELOPMENT OF NEW VARIETIES

631.523 / INT