Study on Correlation Between Leaf Character and Fruit Character of ‘Fragrant Pear’ and ‘Early Crisp Pear’ Hybrid(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2014年13期

Page:

11-14

Research Field:

Publishing date:

Info

Title:

Study on Correlation Between Leaf Character and Fruit Character of ‘Fragrant Pear’ and ‘Early Crisp Pear’ Hybrid

Author(s):

JIANG Yuan¹; WEI Jie¹; ZHANG Qi¹; 2

1.College of Plant Science，Tarim University，Alar，Xinjiang 843300；

2.Key Laboratory of Biological Resources Protection and Utilization in Tarim Basin，Xinjiang Production and Construction Corps，Alar，Xinjiang 843300

Keywords:

‘Fragrant pear’; ‘Early crisp pear’; hybrid offspring; phyllotaxis blade; correlation

PACS:

S 661.2

DOI:

-

Abstract:

Taking 20 plants of ‘Fragrant pear’ and ‘Early crisp pear’ hybrid as materials，fruit characteristics and different phyllotaxis blade in foliage branch were investigated，the dissociation and correlations between fruits of hybrid pear and phyllotaxis leaf traits were studied.The results showed that the leaf and fruit characteristics were separated widely，and had high variation.The leaf width，leaf length，leaf area of the first phyllotaxis leaf to the sixth phyllotaxis leaf increased，and then the leaves got shorter，narrower and smaller as phyllotaxis increased progressively，but leaf index increased as its phyllotaxis increased progressively.Besides，the variation from the forth phyllotaxis leaf to the sixth phyllotaxis leaf were the smallest.Single fruit weight was significantly positively correlative with fruit vertical diameter and fruit horizontal diameter；leaf character of the forth phyllotaxis leaf to the sixth phyllotaxis leaf in foliage branch was significantly positively correlative with single fruit weight，fruit vertical diameter and fruit horizontal diameter，indicated these leaves may be used as standard leaves to set up the regression equation for predicting fruit size.

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