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Bulletin of Botanical Research ›› 2011, Vol. 31 ›› Issue (2): 169-174.doi: 10.7525/j.issn.1673-5102.2011.02.008

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Anther Development and Pollen Germination of Jackfruit

WU Tian;YE Chun-Hai;FENG Feng;XIA Chun-Hua   

  1. Agricultural College,Guangdong Ocean University,Zhanjiang 524088
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-03-20 Published:2011-03-20
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Abstract: Studies on the anther development and pollen germination conditions are the essential elements for a good harvest and high quality of jackfruit. Using paraffin sections and in vitro culture method, the anther development and pollen germination of jackfruit were observed. The results showed that there are four pollen sacs in the jackfruit anther, and there are two types of cytokinesis in the meiotic, namely the continuous type and the simultaneous type, which formed tetrads arranged to be equally bifacial or tetrahedral. Moreover, a great many of tannin was observed to be accumulated in the mature anther epidermal cells. The mixed solution of 160 g·L-1 sucrose and 0.25 g·L-1 boric acid had an obvious catalytic effect on the jackfruit’s pollen germination, while CaCl2 exerted almost no effect.

Key words: jackfruit, anther, anatomical structure, pollen germination

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