生理落果的早期，果实中的过氧化物酶活性较低，高峰期过氧化物酶活性迅速增大。
The peroxidase (POD) activity in the fruits is lower at the early stage of "physiological drop" and very high at the drop peak stage.
苹果（新红星和金矮生）果实生理落果的早期、后期乙烯释放率较低，其高峰期乙烯释放率较高。
The ethylene evolution rate from apple fruits is lower at the early and late stages of "physiological drop" than that at the drop peak stage.
采用气相色谱法对不同品种自花授粉后到第一次生理落果期梨雌蕊组织或幼果中的IAA、ABA含量变化进行了研究。
We used gas chromatography to study the quantity of IAA and ABA in pear young fruits of different varieties from self-pollination to first physiological fruit-falling period.
采用气相色谱法对不同品种自花授粉后到第一次生理落果期梨雌蕊组织或幼果中的IAA、ABA含量变化进行了研究。
We used gas chromatography to study the quantity of IAA and ABA in pear young fruits of different varieties from self-pollination to first physiological fruit-falling period.
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