Research on the Division Propagation of Iris germanica L.

doi:10.11924/j.issn.1000-6850.2014-0369

Chinese Agricultural Science Bulletin ›› 2015, Vol. 31 ›› Issue (10): 133-137.doi: 10.11924/j.issn.1000-6850.2014-0369

Research on the Division Propagation of Iris germanica L.

Dong Yanfang^1,2,3, Zhou Yuan^1,3, Guo Caixia^1,2,3, Tong Jun^1,3, Ji Xiaomei^1,3, Chen Fazhi^1,3, Tan Qing^1,3, Xu Dongyun^1,3, Liu Guofeng²

(¹Wuhan Science Research Institute of Forestry＆Fruit-tree, Wuhan 430075;²School of Horticulture＆Forestry, Huazhong Agricultural University, Wuhan 430070;³Hubei Engineering and Technical Research Center of Landscape Plants, Wuhan 430075)Abstract: In order to study the division propagation of Iris germanica, I. germanica ‘Black Knight’ was used as material, the effects of two plant hormones(6-BA, GA₃), different spraying concentrations (250, 500, 1000, 1500, 2000, 3000 mg/L) and different division seasons (spring, autumn) on survival ratio of division propagation, germination rate and blooming were investigated. Results showed that both two hormones’ application could raise the germination rate of division propagation, 6-BA about 1000 mg/L, GA₃ about 1500 mg/L made the highest germination rate; both two plant hormones’ application made the blossom of Iris germanica earlier, Iris with GA₃ application of 3000 mg/L bloomed 16 days earlier than control.

Received:2014-02-18 Revised:2015-03-23 Accepted:2015-02-26 Online:2015-05-05 Published:2015-05-05

Abstract

Abstract: In order to study the division propagation of Iris germanica, I. germanica ‘Black Knight’ was used as material, the effects of two plant hormones(6-BA, GA3), different spraying concentrations (250, 500, 1000, 1500, 2000, 3000 mg/L) and different division seasons (spring, autumn) on survival ratio of division propagation, germination rate and blooming. Results showed that both two hormones application could raise the germination rate of division propagation, 6-BA about 1000 mg/L, GA3 about 1500 mg/L made the highest germination rate; both two plant hormones application made the blossom of Iris germanica earlier, Iris with GA3 application of 3000 mg/L bloomed 16 days earlier than control.

Dong Yanfang,Zhou Yuan,Guo Caixia,Tong Jun,Ji Xiaomei,Chen Fazhi,Tan Qing,Xu Dongyun and Liu Guofeng. Research on the Division Propagation of Iris germanica L.[J]. Chinese Agricultural Science Bulletin, 2015, 31(10): 133-137.

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