|Table of Contents|

Study on the Biological Characteristics of New Apple Cultivar ‘Zhongqiuwang’(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年08
Page:
32-35
Research Field:
Publishing date:

Info

Title:
Study on the Biological Characteristics of New Apple Cultivar ‘Zhongqiuwang’
Author(s):
ZHAO Dan1; PAN Ya-fei1; LI Hui1; LI Bao-guo1 2; QI Guo-hui1 2; PENG Yang1
(1.College of Forestry，Agricultural University of Hebei，Baoding，Hebei 071000；2.Research Center for Walnut Engineering and Technology of Hebei，Lincheng，Hebei 054300）
Keywords:
apple; ‘Zhongqiuwang’; new cultivar; biological characteristics
PACS:
S 661.101
DOI:
10.11937/bfyy.201508008
Abstract:
In order to determine the biological characteristics of high quality mid-maturing new apple cultivar ‘Zhongqiuwang’，the growth and fruiting characteristics of this cultivar were studied in Gangdi village，Houjiazhuang township，Neiqiu County，Hebei Province in 2014.The results showed that the average tree height of ‘Zhongqiuwang’was 248.3 cm，average trunk girth was 15.9 cm.Sprouting rate was 47.98%.The amount of short shoots was the largest，accounting for 77.34% of the total amount of shoots，medium and long shoots account for 7.57% and 15.09% respectively.The average leaf areas in long，medium and short shoots were 47.40 cm2，32.38 cm2，23.75 cm2 respectively；the chlorophyll a content were 4.71 mg/cm2，2.81 mg/cm2，2.97 mg/cm2 respectively，the chlorophyll b content were 1.49 mg/cm2，0.83 mg/cm2，1.43 mg/cm2 respectively，total chlorophyll content were 6.20 mg/cm2，3.65 mg/cm2，4.40 mg/cm2.The blooming phenophase of ‘Zhongqiuwang’in 2014 started from late March，and ended in the middle of April.The corolla diameter of ‘Zhongqiuwang’was 4.9 cm，the average number of flowers in each inflorescence was 5.09，the average number of each flowers’anther was 18.90，the average number of pollen grains in each anther was 15 152.‘Zhongqiuwang’inflorescence fruit setting rate was 64.22%，flower fruit setting rate was 25.31%.The fruit ripening date of ‘Zhongqiuwang’was from late August to early September in 2014.The average fruit vertical and horizontal diameters were 8.96 cm and 9.09 cm respectively，the average fruit weight was 196.4 g.The contents of soluble solids，soluble sugar，titratable acid and starch were 14.02％-14.80％，13.26％-13.56％，0.21％-0.25％，0.16％-0.20％ respectively.The hardness of the fruit was 7.20-7.84 kg/cm2.

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Last Update: 2015-07-22