The values of
k2 presented no significant dependence on temperature nor on the
cultivar, as shown in Table 3. The average values of k2 were 1.6337
for the conventional cultivar 2B587 and 1.6272 for the transgenic
cultivar 2B587 Hx. However, the values of k2 increased at higher
temperatures such as 60 and 67 C. According to Abu-Ghannam and
McKenna (1997),