Abstract
A field experiment was carried out with 118 single selections of faba bean, cv. Cochinera Amarilla under two levels of moisture (0 and 20 % W. H.). The main objective was to study the effect of two levels of soil moisture on these selections during the fall-winter period of 1987-1988 in Chapingo, Mexico. From the surviving plants after a severe frost (-5.6 °C, after 70 days of the emergence), the grain per plant was recorded. These plants were classified in two groups (high and low grain yield). A t test showed a significant difference between the two mean grain yields. The low group was associated with the 20 % W. H. level of moisture. Levels of moisture also had a differential effect upon the numbere of effective pods and grains and rate of survival. Results also indicated that mechanism of recovery of damaged plants is production of shoots. In addition, the highest level of moisture was associated with the highest levels of plant damage.
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