Table 2. The type and number of various mutants produced in M2 and M3 generations of the five soybean varieties using gamma rays.

Mutant type	Varieties										Total
	Giza21		Giza22		Giza82		Giza83		Line117
	M2	M3	M2	M3	M2	M3	M2	M3	M2	M3	M2	M3
Dwarf	5	3	2	1	3	2	3	2	4	1	17	9
Semi-dwarf	1	1	1	1	–	–	–	–	4	1	6	3
High number of pods	4	4	1	1	5	4	2	1	2	1	14	11
High number of seeds	3	2	3	3	2	2	6	5	3	3	17	15
Heavy seeds	4	2	3	1	3	2	1	–	1	2	12	7
Height of the first pod	1	1	2	–	1	1	2	1	1	–	7	3
Long stem	–	–	1	1	1	1	–	–	2	–	4	2
Small seeds	–	–	5	5	2	2	–	–	–	–	7	7
Medium seeds	–	–	–	–	–	–	–	–	4	2	4	2
Seed shape	–	–	–	–	–	–	1	1	–	–	1	1
Total	18	13	18	13	17	14	15	10	21	10	89	60