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In vitro pollen quantity, viability and germination tests in quince

机译:木瓜的体外花粉量,活力和发芽试验

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Quince (Cydonia oblonga?Mill.) cvs.?Ekmek, E?me, Limon, Ege 2, Ege 22, Ege 25 and Quince-A rootstock pollens were collected in April from the unopened pink balloon-stage flowers on mature trees. The pollen amount was between 20063 pollen/flower (‘Ege 25’) and 11906 pollen/flower (‘Limon’) with hemacytometer. The lowest and highest pollen?viability were determined from 79.8?(Quince A in day 14) to 97.8% (‘Ege 2’ in day 0)?by IKI. The germination rates in different sucrose and boric acid concentrations in 1% agar changed from?0 (‘Limon’ in 0% sucrose) to 91.7% (‘Ege 2’ in 20% sucrose) and from 32.7 (Quince A in 0 mg/L boric acid) to 94.9% (‘Ege 22’ in 100 mg/L boric acid), respectively.
机译:四月份,从成熟树上未开封的粉红色气球期花朵中收集了木瓜(Cydonia oblonga?Mill。)木瓜,埃克梅克,埃米,利蒙,埃奇2,埃奇22,埃奇25和昆西-A砧木花粉。使用血细胞计数器,花粉量介于20063花粉/花(“ Ege 25”)和11906花粉/花(“ Limon”)之间。最低和最高的花粉生存力由IKI确定,从79.8?(第14天为A)到97.8%(第0天为“ Ege 2”)?在1%琼脂中不同蔗糖和硼酸浓度下的发芽率从0(0%蔗糖中的'Limon')变为91.7%(20%蔗糖中的'Ege 2')和32.7(Quince A在0 mg / L硼酸)至94.9%(在100 mg / L硼酸中为“ Ege 22”)。

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