Correlation Analysis on Phenology of Tree Peony and Temperature and Humidity(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Correlation Analysis on Phenology of Tree Peony and Temperature and Humidity

Author(s):: YU Meng1; ZHAO Rui2; WANG Chongzhang1; GUO Taijun2; (1.Changchun City Culture Square Greening Administration，Changchun,Jilin 130061；2.College of Horticulture，Jilin Agricultural University,Changchun，Jilin 130118)

Keywords:: tree peony; effective accumulated temperature; florescence; correlation; the key duration of development

Abstract:: An observation of phenological period,temperature and humidity and an analysis of correlation on the phenology and temperature and humidity on the 18 kinds of tree peony to discuss the biological zero of varieties and the relationship of blooming with temperature and humidity which provided a basis for the introduction and domestication and breeding cold cultivation.The results showed that the biological zero of rock′s peony was 6.277 ℃ and effectived accumulated temperature from germination to anthesis was 286.8 ℃.While the tree peony of Zhongyuan Group was 5.417 ℃ and 311.2 ℃.The results showed by correlation analysis. There was not notable level with tree peony′s blooming and atmosphere accumulated from germination to anthesis ,R2=0.015. There was notable level with tree peony′s blooming and effective accumulated temperature from germination to anthesis,R2=0.869,while there was more notable level with tree peony′s blooming and effective accumulated temperature from leaf stage-flowering to anthesis,R2=0.978.

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Last Update: 2017-03-16