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Study on the Medium Components Affection Pollen Germination and\nPollen Tube Growth of Corylus heterophylla×C.avellana

  • Solid medium was using to study the effect of sugar, boron, calcium on pollen germination and pollen tube growth of Corylus heterophylla Farnch.×C.avellana L.. The results showed that: different concentrations of sucrose and boric acid had significant impact on pollen germination, but different concentrations of calcium had no significant impact on pollen germination. It was most appropriate for tube elongation when sugar 150 g·L-1 and boric acid 100 mg·L-1. Lack of sucrose would lead to the accumulation of callose in top of pollen tube and hold back its growth. The distribution of callose was regular in pollen tube when the medium lacked boric. The appropriate medium for pollen germination of C.heterophylla×C.avellana was sugar 150 g·L-1 + boric acid 100 mg·L-1 + CaCl2100 mg·L-1 + agar 10 g ·L-1.
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Study on the Medium Components Affection Pollen Germination and\nPollen Tube Growth of Corylus heterophylla×C.avellana

Abstract: Solid medium was using to study the effect of sugar, boron, calcium on pollen germination and pollen tube growth of Corylus heterophylla Farnch.×C.avellana L.. The results showed that: different concentrations of sucrose and boric acid had significant impact on pollen germination, but different concentrations of calcium had no significant impact on pollen germination. It was most appropriate for tube elongation when sugar 150 g·L-1 and boric acid 100 mg·L-1. Lack of sucrose would lead to the accumulation of callose in top of pollen tube and hold back its growth. The distribution of callose was regular in pollen tube when the medium lacked boric. The appropriate medium for pollen germination of C.heterophylla×C.avellana was sugar 150 g·L-1 + boric acid 100 mg·L-1 + CaCl2100 mg·L-1 + agar 10 g ·L-1.

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