|Table of Contents|

Comparative Observation of Prickle Between Blackberry cv. ‘Boysenberry’ and Its Bud Mutation cv. ‘Ningzhi 1’(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年08期
Page:
26-29
Research Field:
Publishing date:

Info

Title:
Comparative Observation of Prickle Between Blackberry cv. ‘Boysenberry’ and Its Bud Mutation cv. ‘Ningzhi 1’
Author(s):
ZHANG Chun-hong; WU Wen-long; WANG Xiao-min; HU Shu-ying; LV Lian-fei; LI Wei-lin
Institute of Botany，Jiangsu Province and the Chinese Academy of Sciences，Nanjing，Jiangsu 210014
Keywords:
blackberry (Rubus spp.); prickle; anatomical structure; ultrastructure
PACS:
S 663.2
DOI:
-
Abstract:
The morphologic feature and structure of stem prickle of blackberry cv.‘Boysenberry’ and its bud mutation cv.‘Ningzhi 1’ were observed and compared.The results showed that the stem prickles of ‘Boysenberry’ were strong and hard，and had the density of 9.63 per cm，and that on ‘Ningzhi 1’ was only 1.42 per cm and the prickles were relatively slender and tender.Scanning electron microscopy revealed that on ‘Boysenberry’ stem surface most prickles had fold from top to base，while on ‘Ningzhi 1’ the fold only occurred in the base portion of almost all prickles.Comparison of anatomical structure showed that prickles on both cultivars were originated from stem epidermis.The cells of ‘Boysenberry’ prickles had large numbers and dense arrangement and they had similar size and shape with stem epidermis cells at the stem epidermis junction，with the elongation of the prickle，the constituent cells became narrow.For ‘Ningzhi 1’ the prickle formation cells had a relatively small number and from base to top had similar size and shape as stem epidermis cells.The comparative observation of two cultivars in prickle distribution and morphologic features provided analysis thought for further revealing the prickle formation mechanism of blackberry and bud mutation mechanism of ‘Ningzhi 1’.

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Last Update: 2014-08-25