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Genetic Diversity of 30 Cai-xins (Brassica rapa var. parachinensis) Evaluated Based on AFLP Molecular Data

Cai-xin is common Chinese name for Brassica rapa var. parachinensis that is one of very important leafage vegetables in South China. The objectives of this research were to detect genetic diversities of the selected 30 Cai-xins based on AFLP makers as well as to evaluate the feasibilities of AF... (12 Apr., 2011)

Genetic Diversity of the Selected 64 Potato Germplasms Revealed by AFLP Markers

In order to utilize the elite germplasms from the International Potato Center (CIP) for potato breeding program in China, we analyzed the genetic relationship of selected 64 potato cultivars based on the AFLP approach in this study. Twelve polymorphic primer combinations were screened out to be u... (25 Feb., 2011)

Rapid Acquirement of Transgenic Rice Plants Derived from Callus of Mature Embryos Transformed by Agrobacterium Mediation

In this research we transformed calli of two elite germplasms, Taipei 309 and Nipponbare, derived from mature embryos using the construct of pCAMBIA0390 mediated by Agrobacterium tumefaciens strain EHA105. The expression plasmid pCAMBIA0390 was constructed with expressing elements of ubi:bar-G... (05 Jan., 2011)

Genetic Diversity of Involved Varieties and Improvement of Elite Restorer of Indica Rice (Oryza sativa L.) Using Backcross Introgression

To make reference to cross combinations and improvement of parents, the genetic diversity and relationship among 55 rice germplasms were analyzed with a total of 53 SSR markers. In the present study, 267 allelic variations were detected, and the average allelic variation of 53 loci was 5.04, rang... (18 Jan., 2011)

Integrating the hrap Gene from Sweet Pepper into Potato Enhances Resistance to Phytopthora infestans

Phytopthora infestans, also known as potato late blight, is a serious and widespread disease of potato that causes significant yield losses in potato production every year. Controlling this destructive disease has become a great challenge for potato farmers. In order to minimize commercial losses... (01 Mar., 2011)

Ectopic expression of an AGAMOUS homolog NTAG1 from Chinese narcissus accelerated earlier flowering and senescence in Arabidopsis

There are two cultivating varieties of Chinese narcissus, named as Yulinglong ( Narcissus tazetta var. chinensis Roem. Florepleno) and Jinzhanyutai ( Narcissus tazetta var. chinensis M. Roem.) well known in China. Yulinglong plants exhibit double flower resulted from petaloid stamens. However, ... (29 Jan., 2011)

Association mapping of six agronomic traits on chromosome 4A of wheat (Triticum aestivum L.)

Association mapping is a powerful approach to identify associations between traits of interest and genetic markers. In this study, 103 wheat germplasm accessions from China were genotyped using 76 SSR markers and 40 EST-SSR markers. The phenotyping of plant height, spike length, spikelets per spi... (30 Oct., 2010)

TraitMill: a Discovery Engine for Identifying Yield-enhancement Genes in Cereals

Transgenesis is a powerful and effective mode to study plant development. CropDesign has developed the TraitMill platform, a high-throughput technology that enables large-scale transgenesis and plant evaluation. The TraitMill is a highly versatile tool for testing the effect of genes and gene com... (06 Sep., 2010)

Molecular Tagging Wheat Powdery Mildew Resistance Gene Pm21 by EST-SSR and STS Markers

In order to enrich the molecular markers linked to wheat powdery mildew resistance gene Pm21 and facilitate the molecular marker-assisted selection in multi-background breeding procedure, preferred small groups (PSG) analysis was conducted using F 2 segregating population cross between the ... (28 Sep., 2010)

Locus R-D1 Conferring Red-Grain-Color in Synthetic Derivative Wheat Chuanmai 42 Mapped with SSR Markers

Synthetic hexaploid wheat (SHW) ( Triticum durum × Aegilops tauschii ) holds a large number of unfavorable traits, of which, red grain color was important to limit the wheat breeder using SHWs for common wheat improvement. The objectives of this study were to identify and map the red grain ... (28 Sep., 2010)

Development of Bt Rice by Molecular Marker-assisted Selection and Assays for Insect-Resistance

Rice germplasm 9311 and Fuhui 838 are both elite parent lines, particular for two and three-line indica hybrid rice in China, respectively. Two kinds of major lepidopteran pests in rice production, such as stemborers and leaffolders, cause severe yield loss in the most rice-producing countries. B... (27 Sep., 2010)

QTL Analysis of Yield-related Traits using an Advanced Backcross Population Derived from Common Wild Rice (Oryza rufipogon L)

Wild rice ( Oryza rufipogon L) is recognized as an important germplasm that has abundant genetic diversity and specific characters. Many of rice breeders attempt to utilize elite wild rice for rice genetic improvement and breeding program to broaden genetic background of cultivating rice. Althou... (27 Sep., 2010)

QTL Analysis of Yield-related Traits using an Advanced Backcross Population Derived from Common Wild Rice (Oryza rufipogon L)

Wild rice ( Oryza rufipogon L) is recognized as an important germplasm that has abundant genetic diversity and specific characters. Many of rice breeders attempt to utilize elite wild rice for rice genetic improvement and breeding program to broaden genetic background of cultivating rice. Althou... (27 Sep., 2010)

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