Plump seeds were selected and
sterilized with 10% sodium hypochlorite for 25 min,
then washed 3 times with distilled water. The seeds
were soaked with 0 (distilled water), 5, 15, 30, and
45 mmol • L-1 proline for two days at (30±1)℃. Then,
100 seeds from each proline-soaking treatment were
placed on Petri dishes with 12 cm diameter on two
layers of filter paper containing 25 mL 100 mmol • L-1
sodium chloride solution, compared with 25 mL
distilled water control. To avoid artificial influence on
seed germination and maintain the salt concentration
Plump seeds were selected andsterilized with 10% sodium hypochlorite for 25 min,then washed 3 times with distilled water. The seedswere soaked with 0 (distilled water), 5, 15, 30, and45 mmol • L-1 proline for two days at (30±1)℃. Then,100 seeds from each proline-soaking treatment wereplaced on Petri dishes with 12 cm diameter on twolayers of filter paper containing 25 mL 100 mmol • L-1sodium chloride solution, compared with 25 mLdistilled water control. To avoid artificial influence onseed germination and maintain the salt concentration
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