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| 1 | Genetic diversity of pepper(Capsicum spp.) germplasm resources in China reflects selection for cultivar types and spatial distribution显示文摘Pepper(Capsicum spp.) is an important vegetable crop in the world. Now the pepper in China contributes one-third of the world's peppers production. Genetic diversity of the pepper germplasm of China is expected interesting to know. To explore the structure of genetic diversity in Chinese pepper germplasm resources and possible relationship with cultivar types or geographic origin, we sampled and compared 372 Gen Bank pepper accessions(local cultivars and landraces) from 31 provinces, autonomous regions and municipalities of China and 31 additional accessions from other countries. These accessions were genotyped using 28 simple sequence repeat(SSR) markers spanning the entire pepper genome. We then investigated the genetic structure of the sampled collection using model-based analysis in STRUCTURE v2.3.4 and examined genetic relationships by the unweighted pair-group method of mathematical averages(UPGMA) in MEGA. In addition to geographic origin, we evaluated eight plant and fruit traits. In total, 363 alleles were amplified using the 28 SSR primers. Gene diversity, polymorphism information content and heterozygosity of the 28 SSR loci were estimated as 0.09–0.92, 0.08–0.92 and 0.01–0.34, respectively. The UPGMA cluster analysis clearly distinguished Capsicum annuum L. from other cultivated pepper species. Population structure analysis of the 368 C. annuum accessions uncovered three genetic groups which also corresponded to distinct cultivar types with respect to the plant and fruit descriptors. The genetic structure was also related to the geographic origin of the landraces. Overall results indicate that genetic diversity of Chinese pepper landraces were structured by migration of genotypes followed by human selection for cultivar types in agreement with consumption modes and adaptation to the highly diversified agro-climatic conditions. | ZHANG Xiao-min ZHANG Zheng-hai GU Xiao-zhen MAO Sheng-li LI Xi-xiang Joel Chadceuf Al ain Palloix WANG Li-hao ZHANG Bao-xi | 2016 | Journal of Integrative Agriculture2016，15，9： | 6 |
| 2 | Genetics of Fertility Restoration in Cytoplasmic Male Sterile Pepper显示文摘Pepper hybrid seeds production using male sterility could lower cost by reducing time and labour, and increase thegenetic purity of the F1 seeds. To investigate the genetics of fertility restoration of the Peterson cytoplasmic sterility inpepper, a doubled haploid population of 115 pepper lines obtained from anther culture of the F1 hybrid between YoloWonder (sterility maintainer line) and Perennial (fertility restorer line) and the parental lines were test-crossed by 77013A(a strict cytoplasmic-genic male sterile line). The fertility of the test-crossed lines was assessed in greenhouse and openfield with the following three criteria: pollen index (PI, visual estimation of pollen amount per flower), pollen number (PN,pollen counting under microscope), and seed number (SN, the number of seeds per fruit in open pollination). Correlationsbetween the each couple of criteria within, as well as between the cultivation methods ranged from 0.55 to 0.84. Analysisof variance showed that the genotype (DH line) and environment were the significant sources of variation of the fertility.Narrow sense of heritance of fertility restoration ranged from 0.38 to 0.92, depending on the criteria and environment. Thedistribution of the progeny was continuous between the parental genotypes indicating the quantitative inheritance offertility restoration. Inferred from segregation according to Snape et al.(1984), the number of segregating genes wasestimated to be that three to four genetic factors were involved in pollen traits (PI and PN) and five to eight genetic factorsin seed production (SN). The heredity analysis of the CMS will be helpful for understanding of the genetic mechanism ofthe fertility restoration and the exploitation of the CMS in hybrid seed production. | WANG Li-hao ZHANG Bao-xi AM Daubeze HUANG San-wen GUO Jia-zhen MAO Sheng-li A Palloix DU Yong-chen | 2006 | Agricultural Sciences in China2006，5，3： | 3 |
| 3 | The capsanthin-capsorubin synthase gene: a candidate gene for the y locus controlling the red fruit colour in pepper显示文摘 | Véronique Lefebvre Marcel Kuntz Bilal Camara Alain Palloix | 1998 | Plant Molecular Biology1998，，5： | 2 |
| 4 | Both common and specific genetic factors are involved in polygenic resistance of pepper to several potyviruses 显示文摘 | Caranta C Palloix A | 1996 | Theor Appl Genet1996，92，： | 1 |
| 5 | A natural recessive resistance gene against potato virus Y in pepper corresponds to the eukaryotic initiation factor 4E (eif4E)显示文摘 | RUFFEL S DUSSAULT M H PALLOIX A | 2002 | Plant J2002，32，： | 1 |
| 6 | QTLs involved in the restriction of cucumber mosaic virus (CMV) long-distance movement in pepper显示文摘 | C. Caranta S. Pflieger V. Lefebvre A. M. Daubèze A. Thabuis A. Palloix | 2002 | TAG Theoretical and Applied Genetics2002，，4： | 1 |
| 7 | Serologi- cal, molecular, and pathotype diversity of Pepper veinal mottle virus and Chili veinal mottle virus 显示文摘 | MOURY B PALLOIX A CARANTA C | 2005 | Phytopa- thology2005，95，： | 1 |
| 8 | Both epistatic and additive effects of QTL are in-volved in polygenic induced resistance to disease:a case study,the interaction pepper-Phytophthora capsici Leonian显示文摘 | Lefebvre V Palloix A | 1996 | Theor Appl Genet1996，93，： | 1 |
| 9 | Comparative mapping of Phyto-phthora resistance loci in pepper germplasm:evidence for conserved resistance loci across Solanaceae and for a large genetic diversity显示文摘 | Thabuis A Palloix A Pxieger S | 2003 | Theor Appl Genet2003，106，： | 1 |
| 10 | QTLs for resistance to powdery mildew in pepper under natural and artificial infections 显示文摘 | Lefebvre V Daubeze A M van der Voort J B Peleman J Bardin M Palloix A | 2003 | Theoretical and Applied Genetics2003，107，： | 1 |
| 11 | QTL analysis of plant development and fruit traits in pepper and performance of selective phenotyping显示文摘 | Lorenzo Barchi Véronique Lefebvre Anne-Marie Sage-Palloix Sergio Lanteri Alain Palloix | 2009 | Theoretical and Applied Genetics2009，，6： | 1 |
| 12 | Nuclear RFLP between pepper cultivars(Capsicum annuum L)显示文摘 | Lefebvre V Palloix A Max R | 1993 | Euphytica1993，71，： | 1 |
| 13 | Nuclear RFLP between pepper cultivars (Caps/cure annuum) 显示文摘 | Lefebvre V Palloix A Max R | 1993 | Euphytica1993，71，： | 1 |
| 14 | Evaluation of genetic distances between pepper inbred lines for cultivar protection purposes: comparison of AFLP, RAPD and phenotypic data显示文摘 | V. Lefebvre B. Goffinet J. C. Chauvet B. Caromel P. Signoret R. Brand A. Palloix | 2001 | TAG Theoretical and Applied Genetics2001，，5： | 1 |
| 15 | Evaluation of genetic distances between pepper inbred lines for cultivar protection purposes: comparison of AFLP, RAPD and phenotypic data显示文摘 | V. Lefebvre B. Goffinet J. C. Chauvet B. Caromel P. Signoret R. Brand A. Palloix | 2001 | TAG Theoretical and Applied Genetics2001，，5： | 1 |
| 16 | Comparative mapping of Phytophthora resistance loci in pepper germplasm: evidence for conserved resistance loci across Solanceae and for a large genetic diversity显示文摘 | Thabuis A Palloix A Pflieger S | 2003 | Theor Appl Genet2003，106，： | 1 |
| 17 | A natural recessive resistance gene against Potato virus Y in pepper corresponds to the eukaryotic initiation factor 4E (eIF4E)显示文摘 | RUFFEL S DUSSAULT M H PALLOIX A | 2002 | The Plant Journal2002，32，6： | 1 |
| 18 | Hypersensitive resistance to tomato spotted wilt virus in three Capsicum chinense accessions is controlled by a single gene and is overcome by virulent strains显示文摘 | Moury B Palloix A Sellassie-Gebre K | 1997 | Euphytica1997，，： | 1 |
| 19 | QTL analysis of plant development and fruit'raits in pepper and performance of selective phenotyping显示文摘 | Barchi L Lefebvre V Sage-Palloix A M Lanteri S Palloix A | | 0，，： | 1 |
| 20 | Defense response genes co-localize with quantitative disease resistance loci in pepper显示文摘 | Pflieger S Palloix A Caranta C | 2001 | Theor Appl Genet2001，103，： | 1 |
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