Ca^(2+)对黄瓜花粉萌发和花粉管生长的影响  

The Effects of Ca^(2+) on Pollen Germination and Tube Growth in Cucumber

作　　者：何金环[1] 李巧枝[1] 任敏[1] 

机构地区：[1]郑州牧业工程高等专科学校生物工程系,河南郑州450011

出　　处：《河南农业科学》2006年第1期75-77,共3页Journal of Henan Agricultural Sciences

摘　　要：采用花粉液体培养法研究了Ca2+对黄瓜花粉萌发和花粉管生长的影响。结果表明:花粉放在没有外源Ca2+的培养液中,花粉萌发率稍低,但仍能萌发与生长,说明外源Ca2+并不是花粉萌发必需的。10-4mol/L的游离Ca2+最有利于花粉的萌发,EGTA对花粉萌发和花粉管的生长有抑制作用,但外源的Ca2+可以逆转EGTA的抑制作用。The results of studying the effects of Ca^2＋ on pollen germination and tube growth in cucumber by cultivating pollens in liquid media showed that Ca^2＋ stimulated pollen germination and tube growth when pollen was cultivated in its lower concentration media. The results showed that Ca^2＋ content was not obviously related to germination and tube length of pollen. The free of Ca^2＋ at 10 4mol/L was favored to ix）lien germination. The EGTA at 10^-3 mol/L had the obvious inhibitory effect on pollen germination and pollen tube growth. But this function was reversed by Ca^2＋.

关 键 词：黄瓜 CA^2+ 花粉萌发 花粉管生长 

分 类 号：S642.2[农业科学—蔬菜学]