Cluster Analysis for the Quantity and Germinating Characteristics of the Pollens from 92 Peach Cultivars

ACTA HORTICULTURAE SINICA ›› 2010, Vol. 37 ›› Issue (4): 525-531.

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Cluster Analysis for the Quantity and Germinating Characteristics of the Pollens from 92 Peach Cultivars

YE Zheng-wen1,2 ，DU Ji-hong2，SU Ming-shen2，LI Liu-lin1，and ZHANG Shao-ling 1,*

（1Collage of Horticulture，Nanjing Agricultural University，Nanjing 210095，China；2 Forestry and Pomology Reasearch Institute，Shanghai Academy of Agricultural Sciences，Shanghai Key Laboratory of Protected Horticultural Technology，Shanghai 201106，China）

Received:2010-01-14 Revised:2010-02-23 Online:2010-04-25 Published:2010-04-25
Contact: ZHANG Shao-ling

Abstract

Abstract: Variation analysis for the quantity and germination characteristics of pollens was carried out in vitro on 92 peach genotypes. Significant variations on the quantity of the total pollens and germinated pollens , germination rate and length of the pollen tubes were observed among the different genotypes, which were estimated to be 0–3 500 grains per anther, 0–2 696 grains per anther, 0–89.33% and 0–1.56 mm respectively, and the model of these data did not correspond with Gaussian distribution. Further investigation on the pollination value of different peaches was performed based on cluster analysis on above data. The population of the cultivars with low germinated pollen quantity and shorter pollen tube length is relatively larger, accounting 45.85% of the total tested cultivars. So the pollination cultivars should be arranged for such cultivars above.

Key words: peach, pollen quantity, germination rate, cluster analysis

CLC Number:

S 662.1

YE Zheng-wen;;DU Ji-hong;SU Ming-shen;LI Liu-lin;and ZHANG Shao-ling;. Cluster Analysis for the Quantity and Germinating Characteristics of the Pollens from 92 Peach Cultivars[J]. ACTA HORTICULTURAE SINICA, 2010, 37(4): 525-531.

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Cluster Analysis for the Quantity and Germinating Characteristics of the Pollens from 92 Peach Cultivars

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