The Study on the Cutting Propagation System of Lonicera hypoglauca Miq.

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[Objective]this research aims to establish an efficient propagation system of Lonicera hypoglauca Miq. in order to improve reproduction rate of Lonicera hypoglauca Miq. and to meet the market needs of Lonicera hypoglauca Miq. seedling. [Methods]A research on cutting propagation of Lonicera hypoglauca Miq. was carried out in terms of cutting medium,growth hormone and cutting season. [Results]The optimal processing for Lonicera hypoglauca Miq. twiggery was to leave the twiggery soak in 40 mg / L NAA for 4 h and the rhizogenesis rate reached 70. 37%. Optimal hormone groups were IAA 40 mg / L + IBA 40 mg / L,IAA 40 mg / L + NAA 40 mg / L,and NAA 40 mg / L + IBA 40mg / L. Twiggery were left to soak in these growth hormone and the rhizogenesis rate of each group respectively reached 51. 85%,55. 56% and50%. After the processing,the average number of root of the twiggery in each group reached 4 / plant,and the average length of the root was longer than 3 cm. March was the best season for cutting and the rhizogenesis rate was 72. 22%. The best cutting medium were red mud and fine river sand,which were in proportion of 2∶1,and the rhizogenesis rate was 68. 54%. The optimal hormone processing for hard wood cutting of Lonicera hypoglauca Miq. was achieved when cutting slips were left to soak in 300 mg / L IAA for 2 h,the rhizogenesis rate reached59. 13%,the average number of root was 10. 08 / plant,and the average root length was 8. 38 cm. Under this circumstance,the longest root was16. 93 cm and the formation rate of calluses was 33. 37%. After processed with rooting accelerant S2( Guoguang Transplantone),rhizogenesis rate was 52. 67%,the average number of root was 9. 34 / plant,the average root length was 8. 36 cm,the longest root was 15. 5 cm and the formation rate of calluses was 35. 67%. [Conclusions]The survival rate of cutting can be enhanced if the cutting propagation was conducted in appropriate season,with appropriate temperature and humidity,cutting medium and optimal processing of hormone. [Objective] This research aims to establish an efficient propagation system of Lonicera hypoglauca Miq. And to meet the market needs of Lonicera hypoglauca Miq. Seedling. [Methods] A research on cutting propagation of Lonicera hypoglauca Miq. Was carried out in terms of cutting medium, growth hormone and cutting season. [Results] The optimal processing for Lonicera hypoglauca Miq. Twiggery was to leave the twiggery soak in 40 mg / L NAA for 4 h and the rhizogenesis rate reached 70. 37%. Optimal hormone groups were IAA 40 mg / L + IBA 40 mg / L, IAA 40 mg / L + NAA 40 mg / L, and NAA 40 mg / L + IBA 40 mg / L. Twiggery were left to soak in these growth hormone and the rhizogenesis rate of each group respectively reached 85%, 55. 56% and 50%. After the processing, the average number of root of the twiggery in each group reached 4 / plant, and the average length of the root was longer than 3 cm. March was the best season for cutti ng and the rhizogenesis rate was 72. 22%. The best cutting medium were red mud and fine river sand, which were in proportions 2: 1, and the rhizogenesis rate was 68. 54%. The optimal hormone processing for hard wood cutting of Lonicera hypoglauca Miq. was achieved when cutting slips were left to soak in 300 mg / L IAA for 2 h, the rhizogenesis rate reached59. 13%, the average number of root was 10. 08 / plant, and the average root length was was 8. 38 cm. Under this circumstance, the longest root was 16. 93 cm and the formation rate of calluses was 33. 37%. After processed with rooting accelerant S2 (Guoguang Transplantone), rhizogenesis rate was 52. 67%, the average number of root was 9. 9 / plant, the average root length was 8. 36 cm, the longest root was 15. 5 cm and the formation rate of calluses was 35. 67%. [Conclusions] The survival rate of cutting can be enhanced if the cutting propagation was conducted in the appropriate season, with appropriate temperature and humidity, cutting medium and opti mal processing of hormone.
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