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Local Varieties (local + variety)
Selected AbstractsCassava root yields and culinary qualities as affected by harvest age and test environmentJOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE, Issue 4 2003Jacob M Ngeve Abstract Five cassava genotypes were grown at five contrasting sites in Cameroon, and their roots were harvested 6, 8, 10, 12, 14 and 16 months after planting, to determine the effects of growing environment and harvest age on storage root yields and culinary qualities. The highest root yields were obtained at Ekona (26.3,t,ha,1), whereas the highest root counts were recorded at Bertoua (33 roots per 10,m2). Root yields were lowest (2.9,t,ha,1) when roots were harvested at 6 months, but continued to bulk up to 18.5,t,ha,1 at 16 months. The greatest root increase (9.3,t,ha,1) was observed between 8 and 12 months. Improved and local varieties had comparable dry matter contents (39%). All clones cooked when harvested at 6 and 8 months; thereafter, improved clones did not cook, and cooking duration continued to increase even for the local variety, accounting for the difficulty seen in disseminating these newly developed clones to growers. Cooking durations of roots were longer at Nkolbisson, Bertoua and Ebolowa than at Ekona and Yoke. Soil carbon content was negatively correlated (r,=,,0.999***) with mealiness but not with cooking duration. Cooking quality appears to be under genetic and environmental control. Further studies to elucidate the role of the environment on cookability should concentrate on duration of the rainy and dry seasons, soil physical and chemical properties, and starch chemistry of the genotypes. Suggestions for further research are discussed. © 2003 Society of Chemical Industry [source] Development of microsatellite markers in polyploid persimmon (Diospyros kaki Lf) from an enriched genomic libraryMOLECULAR ECOLOGY RESOURCES, Issue 2 2006J. M. SORIANO Abstract The oriental persimmon (Diospyros kaki Lf) is believed to have originated in China with subsequent introduction into Japan and Korea in ancient times. The species was then brought to Europe, Brazil and the USA from Japan in the 19th century. Recent studies highlighted the poor state of identification of cultivars in these countries due to incorrect labelling and presence of synonyms among local varieties. Thus, molecular marker characterization of germplasm resources is of great value for genetic resource preservation and plant breeding of persimmon. Therefore, to identify accessions for further plant breeding and germplasm management, 37 microsatellite loci were developed from a CT/AG-enriched persimmon genomic library. [source] Gender and agrobiodiversity: a case study from BangladeshTHE GEOGRAPHICAL JOURNAL, Issue 3 2005EMILY OAKLEY Local geography and gender are two major factors determining which crop varieties are cultivated in a case study of two rural villages in Bangladesh. This paper explores the interrelationships between gender, agrobiodiversity, and the use of, and preferences for, improved and local crop varieties. These are examined in relation to rice, minor field crops, and home garden fruits and vegetables. Reasons for both the displacement and the persistence of local varieties (LVs) are analysed in comparison to improved variety (IV) diffusion. The research evaluates agrobiodiversity through the number, types, and varieties of crops grown in fields and home gardens. The desired agroecological, economic, and cultural characteristics of crops grown document how respondents rank their variety preferences. Variety preferences and the perceived importance of LV preservation are compared with what is actually grown. The study indicates that there was little variation between villages in their approach towards the use of IV and LV rice; IVs were cultivated for their high yields and LV rice for taste and culinary uses. However, there were significant differences in relative agricultural dependence between the two villages which led to unique variety preferences. In both villages, women's preferences for IVs or LVs play a major role in crop choices, particularly as they manifest themselves in gendered domains of authority. [source] Changing linguistic attitudes in Valencia: The effects of language planning measures1JOURNAL OF SOCIOLINGUISTICS, Issue 4 2010Raquel Casesnoves Ferrer Linguistic policy measures have an undeniable effect on the linguistic attitudes of a population and, consequently, on the use of the languages concerned. In Valencia, the process of Catalan revitalization, which started in the early 80s, has had some very positive effects, of which education , especially of the youngest members of the population , in Catalan, has been the most important. A 1998 study assessed how the three language varieties that coexist in Valencia are perceived. Ten years later, this study has been replicated in order to analyze the effects of the great demographic and political changes during those years. The attenuation of the ideological conflict between Catalan and Castilian can be attributed to language policy. It seems difficult, however, to explain the disappearance of Valencian (the local variety of Catalan) as the language of group identity. The institutionalization of the conflict between Valencian and Catalan has led to ,linguistic peace', but it has also weakened attachment to Valencian, representing a major setback to its revitalization. [source] Cassava root yields and culinary qualities as affected by harvest age and test environmentJOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE, Issue 4 2003Jacob M Ngeve Abstract Five cassava genotypes were grown at five contrasting sites in Cameroon, and their roots were harvested 6, 8, 10, 12, 14 and 16 months after planting, to determine the effects of growing environment and harvest age on storage root yields and culinary qualities. The highest root yields were obtained at Ekona (26.3,t,ha,1), whereas the highest root counts were recorded at Bertoua (33 roots per 10,m2). Root yields were lowest (2.9,t,ha,1) when roots were harvested at 6 months, but continued to bulk up to 18.5,t,ha,1 at 16 months. The greatest root increase (9.3,t,ha,1) was observed between 8 and 12 months. Improved and local varieties had comparable dry matter contents (39%). All clones cooked when harvested at 6 and 8 months; thereafter, improved clones did not cook, and cooking duration continued to increase even for the local variety, accounting for the difficulty seen in disseminating these newly developed clones to growers. Cooking durations of roots were longer at Nkolbisson, Bertoua and Ebolowa than at Ekona and Yoke. Soil carbon content was negatively correlated (r,=,,0.999***) with mealiness but not with cooking duration. Cooking quality appears to be under genetic and environmental control. Further studies to elucidate the role of the environment on cookability should concentrate on duration of the rainy and dry seasons, soil physical and chemical properties, and starch chemistry of the genotypes. Suggestions for further research are discussed. © 2003 Society of Chemical Industry [source] | ||||||||||