Scientists in 45 countries throughout the world now participate directly in CIMMYT's international maize progeny, experimental variety and elite experimental variety trials. And, in 1975, CIMMYT staff visited over 40 of ...

CIMMYT's maize program--which in 1974 included 154 separate progeny trials in 22 countries, and 84 experimental variety trials in 35 countries--was begun as a cooperative venture of the Government of Mexico and the Rockefeller ...

In 1976 and 1977, our maize scientists worked alongside national program scientists in 45 countries. We had firsthand looks at international trials and at production problems in farmers' fields. We also contacted former ...

Throughout the developing world during the past decade, maize and wheat production has advanced as never before. In Mexico, for example, average yields of wheat progressed from about 2,200 kg/ha in 1960 to 3,200 in 1969-70. ...