Pollen grains were germinated by placing on pollen germination media consisting of sucrose (100 g L−1), agar (5 g L−1), and H3BO3 (0.02 g L−1), and then incubated at room temperature for 5 h at 20 ◦C.
Pollen grains weregerminated by placing on pollen germination media consisting ofsucrose (100 g L−1), agar (5 g L−1), and H3BO3 (0.02 g L−1), and thenincubated at room temperature for 5 h at 20 ◦C.