Study on Characteristics of Growth and Development of Loquat in Qinba Mountain Area(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on Characteristics of Growth and Development of Loquat in Qinba Mountain Area

Author(s):: ZHANG Zhong-liang¹; CAO Xi-yi²; WEI Ling-yun¹; 1.College of Forestry,Northwest Agricultural and Forestry University,Yangling,Shaanxi 712100;
2.Forest Technology Promotion Center of Ankang City,Ankang,Shaanxi 725000

Abstract:: Loquat fruit,tree growth and shoot growth characteristics from Japan No.2,Japan No.8 were studied compared with local Qinba mountain area ‘Maihuanghou’.The results showed that loquat fruit transverse diameter slowly grew in first ten days of March to the late days of March;The rapid growth phase of fruit transverse diameter was in the first days of April to the late days of April;After the first days of May，the loquat fruit transverse diameter again slowly grew until it stopped.Growth and development of loquat fruit vertical diameter and transverse diameter were similar;Height of loquat branches had two peaks,the first peak was in the first days of April to the late days of June，the second peak was in first days of July to the late days of September;After the mid days of October，branch height was slow until it stopped;Loquat branch diameter slowly grew in the first days of April to the mid days of October,its peak was not obvious,branch diameter growth stopped in mid days of November;Trend of loquat tree height growth showed that slow growth phase was in March to May;June to September were rapid growth period,October to December were slow growth period;Trend of loquat tree diameter displayed that March to April was slow growth period,May to October was fast growth period,November to December was slow growth period.

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Last Update: 2014-08-25