FU Xiaobin, CHEN Qi, LIU Yuanqiu, et al. Effects of precipitation pattern change on non-structural carbohydrates in different organs of Cunninghamia lanceolata seedlings[J]. Journal of Zhejiang A&F University, 2024, 41(6): 1114-1123. DOI: 10.11833/j.issn.2095-0756.20240253
Citation: ZENG Yan-ling, TAN Xiao-feng, ZHANG Dang-quan, et al. Identification of S-genotypes from five cultivars of Pyrus pyrifolia[J]. Journal of Zhejiang A&F University, 2007, 24(6): 654-660.

Identification of S-genotypes from five cultivars of Pyrus pyrifolia

  • Received Date: 2006-12-07
  • Rev Recd Date: 2007-08-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Identification of S-genotypes from five cultivars of Pyrus pyrifolia

Abstract: With natural pollination, fruit from trees having pistil self-incompatible S-alleles will degrade pollen tube RNA resulting in low yield and poor fruit quality. This research identified S-allele genotypes of pear (Pyrus) that served as an important scientific foundation for determining cultivars for pollination and crossbreeding, as well as for establishing a basis on inheriting desired characteristics and improving pear cultivars. Five kinds of pear genomic DNA material were tested based on primary structural characteristics of S-alleles. After designing and synthesizing specific primers and using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) system along with TA clone technique, results of sequences were analyzed with bioinformatics software (GeneDoc). Two S-alleles of amplified segments, which had similar sizes, were isolated and identified with their S-genotypes identified as cultivars of Pyrus pyrifolia, namely ‘Jingyu’, S4S24; ‘Jinshui’No.2, S3S21; ‘Xinya’, S4S24; ‘Xizilv', S4S13; and ‘Qingkui’, S1S13.

FU Xiaobin, CHEN Qi, LIU Yuanqiu, et al. Effects of precipitation pattern change on non-structural carbohydrates in different organs of Cunninghamia lanceolata seedlings[J]. Journal of Zhejiang A&F University, 2024, 41(6): 1114-1123. DOI: 10.11833/j.issn.2095-0756.20240253
Citation: ZENG Yan-ling, TAN Xiao-feng, ZHANG Dang-quan, et al. Identification of S-genotypes from five cultivars of Pyrus pyrifolia[J]. Journal of Zhejiang A&F University, 2007, 24(6): 654-660.
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