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《Journal of Anhui Agricultural Sciences》 2009-04
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Effects of Different Ratio of External 6-BA,GA_3 and CEPA on the Dormancy of Gladiolus hybridus Hort.Bulb

LI Ming et al(Vocational Technical College,Inner Mongolia Agricultural University,Baotou,Inner Mongolia 014109)  
[Objective] The research aimed to study the effects of different ratio of 6-BA,GA3 and CEPA on the dormancy of Gladiolus hybridus Hort.bulb.[Method] Gladiolus hybridus Hort.bulbs were soaked in 10% acetone solution with 4 different ratio of GA3,6-BA and CEPA(6-BA 50 mg/ L +GA3 100 mg/ L+ CEPA 3%,6-BA 100 mg/ L +GA3 100 mg/ L+ CEPA 3%,6-BA 200 mg/ L +GA3 100 mg/ L+ CEPA 3%,6-BA 400 mg/ L +GA3 100 mg/ L+ CEPA 3%),and their germination status were observed.The test was made by taking clear water as CK.[ Result] The 4 treatments were all helpful to break the dormancy of Gladiolus hybridus Hort.bulb,and there were differences between species.The effects of 10% acetone solution with 6-BA 400 mg/ L+ GA3100 mg/ L+CEPA 3% was the best treatment.Under this treatment,the germination rate of the Country Beauty bulb reached 60% after treating for 50 d,and reached 95% after treating for 70 d,being obviously higher than that of CK(55%).The germination rate of Siberia bulb reached 80% after treating for 70 d,being obviously higher than that of CK(55%).[Conclusion] The 10% acetone solution with 6-BA 400 mg/ L+ GA3100 mg/ L+CEPA 3% was most helpful to break the dormancy of Gladiolus hybridus Hort.bulb and increased its germination rate.
【Fund】: 内蒙古农业大学职业技术学院应用技术研究基金资助
【CateGory Index】: S682.24
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