sentences:  Although the LSD (Fisher's Least Significant Difference) is a very strong test in detecting pairs of means differences, it is applied only when the F test is significant, and it is mostly less preferable since its method fails in protecting low error rate.Bonferroni test is a good choice due to its correction suggested by his method.This correction states that if n independent tests are to be applied then the α in each test should be equal to α /n.