热带农业科学
熱帶農業科學
열대농업과학
CHINESE JOURNAL OF TROPICAL AGRICULTURE
2012年
4期
5-9
,共5页
谢添伟%莫饶%唐燕琼%黄明忠%冷青云%杨松
謝添偉%莫饒%唐燕瓊%黃明忠%冷青雲%楊鬆
사첨위%막요%당연경%황명충%랭청운%양송
金钱树%四倍体%嵌合体%秋水仙素%流式细胞技术
金錢樹%四倍體%嵌閤體%鞦水仙素%流式細胞技術
금전수%사배체%감합체%추수선소%류식세포기술
Zamioculcas zamiifolia%tetraploid%mixoploid%colchicine%flow cytometry
以金钱树块茎为材料,采用秋水仙素溶液处理不定芽生长点,研究秋水仙素浓度和处理时间的诱变效果。结果表明:0.1%的秋水仙素溶液浸泡处理块茎的不定芽48h效果最好,其诱导率为30%。通过流式细胞仪对金钱树植株DNA相对含量的测定。鉴别出四倍体和嵌合体。四倍体植株与二倍体植株在叶厚、保卫细胞大小、气孔密度等方面存在明显差异.其中气孔的形态及密度可作为鉴别四倍体、嵌合体和二倍体的重要性状。
以金錢樹塊莖為材料,採用鞦水仙素溶液處理不定芽生長點,研究鞦水仙素濃度和處理時間的誘變效果。結果錶明:0.1%的鞦水仙素溶液浸泡處理塊莖的不定芽48h效果最好,其誘導率為30%。通過流式細胞儀對金錢樹植株DNA相對含量的測定。鑒彆齣四倍體和嵌閤體。四倍體植株與二倍體植株在葉厚、保衛細胞大小、氣孔密度等方麵存在明顯差異.其中氣孔的形態及密度可作為鑒彆四倍體、嵌閤體和二倍體的重要性狀。
이금전수괴경위재료,채용추수선소용액처리불정아생장점,연구추수선소농도화처리시간적유변효과。결과표명:0.1%적추수선소용액침포처리괴경적불정아48h효과최호,기유도솔위30%。통과류식세포의대금전수식주DNA상대함량적측정。감별출사배체화감합체。사배체식주여이배체식주재협후、보위세포대소、기공밀도등방면존재명현차이.기중기공적형태급밀도가작위감별사배체、감합체화이배체적중요성상。
Rhizome of Zamioculcas zamiifolia treated with different concentrations of colchicine solution at different stages in order to figure out the best inducing method and obtain tetraploid. The results showed that the polyploids could be most effectively induced by immersing buds in 0.1% colchicines solution for 48 hours, the inductive frequency was 30%. Ploidy level changes were confirmed via flow cytometry, some belonged to tetraploid plants and others were different mixoploid. Comparing the characteristics of leaves and stomata of tetraploids and diploids, the results showed that these characteristics including thickness of leaf, length and width of guard cell, density of stoma were distinctly different from diploid. The morpha and density of stoma could be used to distinguish diploids, mixoploid and tetraploids.