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This study investigates the effect of boric acid and sucrose on the germination and growth of Areca catechu L (areca palm). Using areca pollen from Hainan, China, this study determines the influence of culture media with different concentrations of boric acid and sucrose on the germination and growth of areca pollen. Results show that the germination and growth of the pollen tube growth are highest under a boric acid concentration of <st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="True" sourcevalue=".4" unitname="g" w:st="on">0.4 g</st1:chmetcnv>/L to <st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="True" sourcevalue=".6" unitname="g" w:st="on">0.6 g</st1:chmetcnv>/L. The germination rate of areca pollen is highest in solid medium with a sucrose concentration of <st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="True" sourcevalue="40" unitname="g" w:st="on">40 g</st1:chmetcnv>/L. The optimum culture medium for developing areca pollen comprises <st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="True" sourcevalue="5" unitname="g" w:st="on">5 g</st1:chmetcnv>/L agar, <st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="True" sourcevalue=".4" unitname="g" w:st="on">0.4 g</st1:chmetcnv>/L to <st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="True" sourcevalue=".6" unitname="g" w:st="on">0.6 g</st1:chmetcnv>/L boric acid, <st1:chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="True" sourcevalue="40" unitname="g" w:st="on">40 g</st1:chmetcnv>/L sucrose, and water. Furthermore, areca pollen grows most rapidly approximately 1.5 h after in vitro cultivation at normal temperature, and growth stabilizes at approximately 3 h. The principle that governs the development of areca pollen is also discussed.<o:p></o:p> </p

Influence of Boric Acid and Sucrose on the Germination and Growth of Areca Pollen