JA content in the leaves and the flower buds in male-sterile line was lower than its normal variety, as endogenous pollen bourgeon regulator, JA might restrain the bourgeon of pollen.

• 无论是叶片还是花蕾,JA含量不育系低于可育系,JA可能作为内源的花粉萌发调节剂抑制花粉的萌发,可以认为,JA含量在不育系的降低可能与亚麻雄性不育的发生有某种联系。