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《Fujian Agricultural Science and Technology》 2018-04
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Effect of 16 Liquid Treatment Agents on Stimulating Growth of Tissue Culture Plantlets of Dendrobium officinale

QIN Jian-li;YANG Guang-yu;School of Chemical Engineering,Huaqiao University;  
Sixteen liquid treatment agents were formulated with the combination of three bacteria or fungal,Gibberella zeae,Bacillus subtilis and Mycena dendrobii,and salicylic acid,lanthanum nitrate,tryptophan and gibberellin,and treated tissue culture seedling of Dendrobium officinale in greenhouse by root irrigation.The results showed that the treatments of 4 g·L~(-1) Mycena dendrobii,5 mg·L~(-1) gibberellin,4 g·L~(-1) Mycena dendrobii+5 mg·L~(-1) lanthanum nitrate,4 g·L~(-1) Mycena dendrobii+5 mg·L~(-1) gibberellic acid+1 mmol·L~(-1) salicylic acid could significantly increase the plant height of Dendrobium officinale compared to the control(sterile water treatment);The stem diameter of 4 g·L~(-1) Mycena dendrobii,5 mg·L~(-1) gibberellin,1 mmol·L~(-1) salicylic acid,4 g·L~(-1) Mycena dendrobii+5 mg·L~(-1) lanthanum nitrate,4 g·L~(-1) Mycena dendrobii+5 mg·L~(-1) lanthanum nitrate treatments were significantly higher than that of the control group.It was indicated that the treatments of 4 g·L~(-1) Mycena dendrobii,5 mg·L~(-1) gibberellin,4 g·L~(-1) Mycena dendrobii+5 mg·L~(-1) lanthanum nitrate,4 g·L~(-1) Mycena dendrobii+5 mg·L~(-1) gibberellic acid+1 mmol·L~(-1) salicylic acid could increase the plant height and stem diameter effectively,the liquid treatment agents of which had good growth-stimulating effects on tissue culture plantlets of Dendrobium officinale in greenhouse.
【Fund】: 华侨大学研究生科研创新能力培育计划资助项目(1611315020);; 福建省科技计划项目(2015N0028)
【CateGory Index】: S567.239
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