|Table of Contents|

Effects of Different Concentrations of TiO2 Photosynthetic Accelerator on Growth and Quality of Oriental Lily ‘Siberia’ Cut Flower

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年15
Page:
66-73
Research Field:
Publishing date:

Info

Title:
Effects of Different Concentrations of TiO2 Photosynthetic Accelerator on Growth and Quality of Oriental Lily ‘Siberia’ Cut Flower
Author(s):
TANG Xuwei1; HUANG Chengzhe2; WANG Xucheng1; YAO Jin′ao1; QUAN Chengfu3; CUI Yongyi1
(1.College of Agriculture and Food Science,Zhejiang Agriculture and Forestry University,Hangzhou,Zhejiang 311300；2.College of Chemistry and Materials Engineering,Wenzhou University,Wenzhou,Zhejiang 325035；3.Institute of New Materials and Industrial Technology,Wenzhou University,Wenzhou,Zhejiang 325035)
Keywords:
lily; TiO2; photosynthetic characteristics; biomass; quality of cut flower
PACS:
-
DOI:
10.11937/bfyy.20193562
Abstract:
Lily varity of ‘Siberian’ was used as experimental material,by field test method,the effects of different concentrations (0,0.5,1.0,2.0 g?L-1) of TiO2 photosynthetic accelerator on photosynthetic characteristics,biomass accumulation and quality of cut flower were studied.The purpose of this study was to provide a reference for the application of foliar spraying technique of TiO2 photosynthetic accelerator in lily culture.The results showed that the diurnal variation trend of net photosynthetic rate of oriental lily ‘Siberia’ was a single peak curve,and reached the maximum at 12:00.Different concentrations of TiO2 photosynthetic accelerator could increase chlorophyll content and promote photosynthesis in lily leaves；TiO2 photosynthetic accelerator treatment could increase the accumulation of biomass of lily,promote the distribution of photosynthetic products to stem,leaf,bud and root organs,and reduce the dry matter distribution coefficient of bulb.The treatment of suitable concentration of TiO2 photosynthetic accelerator significantly improved the quality of cut flowers in ‘Siberia’.The effects of 1.0 g?L-1 TiO2 photosynthetic accelerator on peak value of net photosynthetic rate,total dry weight,commercial rate,stem hardness,bud number and flowering duration of cut lily were the most obvious.Compared with CK,it increased by 37.7%,35.7%,7.8%,43.3%,24.7% and 14.7%,respectively.In summary,spraying 1.0 g?L-1 TiO2 photosynthetic accelerator during the cultivation of lily ‘Siberian’ could promote its photosynthesis,which was beneficial to the accumulation of biomass and the improvement of cut flower quality.

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Last Update: 2020-10-28