Stability and genetic parameters for cassava yield attributes in the tropical humid region of Brazil [0.03%]
巴西热带雨林地区木薯栽培性状的稳定性及遗传参数分析
Juraci Souza Sampaio Filho,Marcos de Souza Campos,Eder Jorge de Oliveira
Juraci Souza Sampaio Filho
The performance differences in cassava genotypes arising from genotype vs. environment interactions (G × E) often lead to responses that are significantly lower than expected for selection. The objective of this study was to evaluate diffe...
Heterotic gains, transgressive segregation and fitness cost of sweetpotato weevil resistance expression in a partial diallel cross of sweetpotato [0.03%]
异配增益、越性遗传和部分 diallel 交配甘薯中甘薯象甲抗性的适应性成本
Immaculate Mugisa,Jeninah Karungi,Paul Musana et al.
Immaculate Mugisa et al.
Heterosis-exploiting breeding schemes are currently under consideration as a means of accelerating genetic gains in sweetpotato (Ipomoea batatas) breeding. This study was aimed at establishing heterotic gains, fitness costs and transgressiv...
Phenotypic diversity and selection in biofortified cassava germplasm for yield and quality root traits [0.03%]
富含微量营养素木薯种质的产量和优质块根状性状的表型多样性及选择
Ravena Rocha Bessa de Carvalho,Massaine Bandeira E Sousa,Luciana Alves de Oliveira et al.
Ravena Rocha Bessa de Carvalho et al.
Increasing carotenoid content and improving other root quality traits has been the focus of cassava biofortification. This study aimed to (i) evaluate the genetic variability for total carotenoid content (TCC), as well as for root yield and...
QTL mapping under salt stress in rice using a Kalarata-Azucena population [0.03%]
利用Kalarata-Azucena群体进行盐胁迫下水稻QTL定位
Marjorie P de Ocampo,Viet The Ho,Michael J Thomson et al.
Marjorie P de Ocampo et al.
Salt stress is a major constraint across large rice production areas in Asia, because of the high sensitivity of modern rice varieties. To identify quantitative trait loci (QTL) associated with salt tolerance in rice, we developed an F2 pop...
Factor analysis applied in genomic selection studies in the breeding of Coffea canephora [0.03%]
应用于 Coffea canephora 驯化中的基因组选择研究的因子分析
Pedro Thiago Medeiros Paixão,Ana Carolina Campana Nascimento,Moysés Nascimento et al.
Pedro Thiago Medeiros Paixão et al.
Brazil stands out worldwide in the production of coffee. The observed increases in its productivity and morpho agronomic traits are the results of the improvement of several methodologies applied in obtaining improved cultivars, among which...
Gareth J Norton,Anthony Travis,Panthita Ruang-Areerate et al.
Gareth J Norton et al.
It has been estimated that up to 90% of human exposure to cadmium is through food, and that cadmium within rice grains can be a major contributor to that dietary source. In this study genome wide association mapping was conducted on the Ben...
Genetic worth of multiple sets of cowpea breeding lines destined for advanced yield testing [0.03%]
多份毛豆育种群体的遗传优劣及其在产量鉴定中的作用
Patrick Obia Ongom,Christian Fatokun,Abou Togola et al.
Patrick Obia Ongom et al.
The objective of this study was to determine genetic potentials in eight sets of cowpea lines for grain yield (GY), hundred seed weight (HSDWT) and days to 50% flowering (DT50FL). A total of 614 F6 genotypes constituting the sets, grouped b...
Identification of in vivo induced maternal haploids in maize using seedling traits [0.03%]
利用苗期性状鉴定玉米体内诱导母本单倍体的方法
Vijay Chaikam,Luis Antonio Lopez,Leocadio Martinez et al.
Vijay Chaikam et al.
In vivo haploid induction in high frequency followed by efficient identification of haploids are important components of deriving completely homozygous doubled haploid (DH) lines in maize. Several genetic marker systems were proposed and/or...
Resistance to insect pests in wheat-rye and Aegilops speltoides Tausch translocation and substitution lines [0.03%]
小麦-黑麦及Aegilops speltoides Tausch易位和代换系抗虫性研究
L A Crespo-Herrera,R P Singh,A Sabraoui et al.
L A Crespo-Herrera et al.
Various insect pests attack wheat (Triticum aestivum L.) that can cause significant grain yield losses to the crop. Farmers usually depend on pesticides, however, smallholder farmers often have limited and ill-timed access to control method...
Genetic analysis of tropical quality protein maize (Zea mays L.) germplasm [0.03%]
热带优质蛋白质玉米(Zea mays L.)种质的遗传分析
Susan G Njeri,Dan Makumbi,Marilyn L Warburton et al.
Susan G Njeri et al.
Maize (Zea mays L.) is an important source of carbohydrates and protein in the diet in sub-Saharan Africa. The objectives of this study were to (i) estimate general (GCA) and specific combining abilities (SCA) of 13 new quality protein maiz...