Induction frequency varies with the different varieties and it is the highest when the excised anthers with the pollen grains at the middle-uninuclear stage are inoculated.
品种之间诱导频率差异很显著。接种花药时，花粉单核中期诱导频率最高。
Induction frequency varies with the different varieties and it is the highest when the excised anthers with the pollen grains at the middle-uninuclear stage are inoculated.
品种之间诱导频率差异很显著。接种花药时，花粉单核中期诱导频率最高。
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