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汕优63制种穗期用4种激素处理喷施母本．结果表明，花调灵或花信灵与920混合喷施比单喷920花时提早，开花进程加快，柱头外露率和异交结实率提高，增产效果明显，可加快普及应用．88速效灵与920混喷效果尚需进一步试验验证．
Shanyou 63 seedling heading stage with four kinds of hormones spraying female parent. The results showed that the flowering process of flowering or Huaxinling with 920 mixed sprayed earlier than that of single spray 920, the flowering process was accelerated, the stigma exsertion rate and outcrossing solid ratio increased, and the yield increase effect was obvious, which could accelerate the popularization and application. 88 quick spirit and 920 mixed spray effect still need further experimental verification.