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[1]LI Zhi-dan,CHEN Ping,GAO Gui-juan,et al.The Influence of Concentrations of Naphthylacetic Acid(NAA) on Cutting Propagation of Water and Soil Conservation Plant-Wedelia Trilobata Hitchc[J].Research of Soil and Water Conservation,2012,19(05):285-288.

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The Influence of Concentrations of Naphthylacetic Acid(NAA) on Cutting Propagation of Water and Soil Conservation Plant-Wedelia Trilobata Hitchc

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 19 Number of periods: 2012 05 Page number: 285-288 Column: Public date: 2012-10-20

Title:: The Influence of Concentrations of Naphthylacetic Acid(NAA) on Cutting Propagation of Water and Soil Conservation Plant-Wedelia Trilobata Hitchc

Author(s):: LI Zhi-dan¹, CHEN Ping², GAO Gui-juan¹, SHI Xiu-lan², JIANG Cong², HAN Rui-hong²; 1. Department of Biology, Guangdong University of Education, Guangzhou 510303, China;
2. College of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China

Keywords:: NAA; Wedelia Trilobata Hitchc; cuttage; propagation

CLC:: Q945.79

DOI:: -

Abstract:: In order to improve the survival rate, the effect of naphthylacetic acid(NAA) on cuttage propagation of Wedelia Trilobata Hitchc was studied based on the basal part of cutting Wedelia Trilobata Hitchc soaked for 1 h with different concentrations of NAA(100 mg/L, 200 mg/L and 300 mg/L). The results showed that the rooting rate treated with 200 mg/L NAA was 100%. At the same time, root diameter, root number, length of the longest root and total volume of root system increased significantly,the aboveground part of Wedelia Trilobata Hitchc showed increasing trend. 100 mg/L NAA improved the aboveground part and underground part of the cuttage. 300 mg/L NAA improved the aboveground part of the cuttage, however, it inhibited the rooting rate and root number of the cuttage. In brief, the facilitation for growth of cuttage seedling treated with 200 mg/L NAA was the best.

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