Effect of Exogenous Calcium on Calcium Content of Different Tissues and Fruit Quality in Peach(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Exogenous Calcium on Calcium Content of Different Tissues and Fruit Quality in Peach

Author(s):: LI Jing¹; CHEN Xiao-lan²; SUN Shu-xia¹; CHEN Dong¹; TU Mei-yan¹; JIANG Guo-liang¹; XIE Hong-jiang¹; 1.Horticulture Research Institute,Sichuan Academy of Agricultural Sciences,Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Southwest Region),Ministry of Agriculture,Chengdu,Sichuan 610066；
2.Chengdu Longquanyi Quarantine Station,Longquanyi,Sichuan 610100

Keywords:: peach; exogenous calcium; calcium content; fruit quality; split pit rate

Abstract:: Taking 18-year-old Piqiu peach as material,the effect of calcium application（CaCl₂,Ca(NO₃)₂） on calcium content of leaf,stem,pulp and fruit quality of peach were discussed.The results showed that the change of calcium content in leaf was relatively smooth in different periods.The contents of calcium in the pulp and the fruit stone were increased gradually during the stage from fruit hardcore to fruit expanding,gradually decreased when reaching a certain amount,and maintained a basic balance level at one month before harvesting.The calcium content in stems was the minimum when its content in the pulp and the fruit stone were the largest,and was the highest when its content in the pulp and fruit stone were the lowest.The length diameter,cheek diameter and suture diameter of peach fruit showed the same growth trends,and their growth curve presented as ‘fast-slow-fast’.The single fruit weight dealed with Ca(NO₃)₂ was the heaviest 219.19 g,the soluble solids and soluble sugar content dealed with CaCl₂ were the highest (12.1%,9.24%).

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Last Update: 2014-09-25