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Sunday, August 2, 2020 | History

2 edition of Inheritance of the components of yield in a six-row X two-row barley cross found in the catalog.

Inheritance of the components of yield in a six-row X two-row barley cross

Adjei Tetteh

Inheritance of the components of yield in a six-row X two-row barley cross

by Adjei Tetteh

  • 73 Want to read
  • 24 Currently reading

Published .
Written in English

    Subjects:
  • Barley -- Breeding.

  • Edition Notes

    Statementby Adjei Tetteh.
    The Physical Object
    Pagination40 leaves, bound :
    Number of Pages40
    ID Numbers
    Open LibraryOL14302931M

      Plot of the genotypic scores for the first and the third principal components based on stripe rust infection type (IT) and disease severity (DS) by barley type from Pullman, Mt. Vernon and Quito in Symbol is value of entry where 2=hulled two-row barley, 6=hulled six-row barley, h=hulless barley, and x=selected resistant lines. understanding and improving two-row barley. The characteristic morphological difference between two-row and six-row barley is influenced by a single gene, VRS1. Functional Vrs1 confers two-row type, while vrs1 confers sixmutant -row type (Komatsuda et al. ). The row types are often associated with different traits (e.g. two-row barley is.

    Two hundred sixteen barley (Hordeum vulgare L.) cultivars were selected to represent the diversity and history of European spring two‐row barley breeding and to search for alleles controlling agronom.   Consequently, six-row barley has a natural advantage in the population relative to two-row; one would not expect a two-row variety to prevail under normal neutral circumstances. The graph in Fig. 4 demonstrates the output of a model in which a six-row individual is introduced into a population of 10 6 two-row plants with the properties of.

    Agriculture is the main economic industry in central Montana. Seeded forages, cereal grains and oilseed crops are economically important to central Montana and across the Northern Great Plains region. Maintaining and improving crop yield and quality is critical to the economic well being of central Montana and elsewhere. Seeded annual and perennial forages are a source of hay for winter feed. Barley (Hordeum vulgare), a member of the grass family, is a major cereal grain grown in temperate climates globally. It was one of the first cultivated grains, particularly in Eurasia as early as 10, years ago. Barley has been used as animal fodder, as a source of fermentable material for beer and certain distilled beverages, and as a component of various health foods.


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Inheritance of the components of yield in a six-row X two-row barley cross by Adjei Tetteh Download PDF EPUB FB2

Inheritance of the components of yield in a six-row X two-row barley cross Public Deposited. Analytics × Add Author: Adjei Tetteh. The reciprocal hybrids six-row x two-row and two-row x six-row were likewise very similar, and the data have been combined, as have the data from normal seed and de-awned seed of the parents.

Table 1 Yield components of hybrids and parents in glasshouse microtrial. Thompson, R.J., Barley as a cross-pollinated crop. Barley Genetics. Inheritance of the components of yield in a six-row X two-row barley cross.

Abstract. Graduation date: Year: OAI identifier: oai: Provided by: [email protected] Suggested articles. To submit an update or takedown. Barley (Hordeum vulgare), a member of the grass family, is a major cereal grain grown in temperate climates globally.

It was one of the first cultivated grains, particularly in Eurasia as early as 10, years ago. Barley has been used as animal fodder, as a source of fermentable material for beer and certain distilled beverages, and as a component of various health : Tracheophytes.

On average, defoliation caused a greater reduction in grain yield and protein content of the six-row genotypes (% and %, respectively) than the two-row genotypes (% and %. 2 thi8 problem. Harlan et al.

(16, p) contended that the average yield of the two-row and six-row sogregates from such interspecific crosses were lower than serogates from two-row x two-row end six-row x cix-row crosses, Lwibert and Liani (23, p) on the other hand, concluded fron studies of the charac- teristics of six-row segregates from two interspecIfic.

Results indicated significant differences between Six row and two row genotypes for grain yield components yield components Subject Category: Miscellaneous see more details (number of fertile tillers, -1 and grain weight), days to heading and spike length.

Correlation, stepwise regression and path analyses studies indicated that. PDF | A range of cultivar types, including two-row and six-row types as well as line and hybrid types, are used for winter barley production in Ireland. | Find, read and cite all the research. Elia et al.

() carried out a study of cross-breeding European two-row barley with American six-row barley and found that the high protein allele was carried by the two-row parent. Averaged for both years and types, PCs were lower in treatment D than in treatment C (12% and %, respectively).

Associations between phenotypic plasticity of grain yield and plasticity of growth duration, single grain weight and grain number per square meter for six-row barley (P-valuesand two-row spring barley cultivars (, and.

Growth habit is differentiated by sowing date in the autumn (winter) or spring (spring), whereas row type distinguishes between lateral floret sterility (two‐row) and fertility (six‐row). Six‐row barley has the potential to produce more seeds and a higher yield.

However, two‐row types tend to produce larger, more uniform seeds, which. Barley (Hordeum vulgare) breeding programmes recognize eastern and western Canada as separate target regions, but the extent of local adaptation to regions and subregions within them has not been studied.

Genotype × region and subregion interactions were estimated in lines from the two-row barley cross Harrington/TR in 22 trials in   At harvest, after the crop completely senesced, yield and yield components were determined. For this purpose, two 50 cm long sections taken at random from inner rows (the same as above) were sampled and the yield components (number of spikes per unit land area, number of grains per spike and individual grain weight) were measured.

Quantitative trait loci for grain yield and yield components in a cross between a six-rowed and a two-rowed barley. Quantitative trait locus (QTL) mapping using different testers and independent population samples in maize reveals low power of QTL detection and large bias.

Combining ability for grain yield and its components in barley was studied in a set of four females (Testers 6 rowed), six males (lines 2 rowed) and their resultant F1’s with standard check k Twenty two crosses, excluding BCU x K and BCU x Karan, showed significant positive economic Heterosis for grain yield per plant.

Two two-row, spring, feed barley varieties with superior yield, disease resistance, protein and agronomic characteristics were released inincreased inand will be available in limited quantities in 09WA topped all entries for yield in the WSU VT nurseries in Dayton, Reardon and Walla Walla, all intermediate.

In barley (Hordeum vulgare L.), lateral branches called tillers contribute to grain yield and define shoot architecture, but genetic control of tiller number and developmental rate are not well characterized.

The primary objectives of this work were to examine relationships between tiller number and other agronomic and morphological traits and identify natural genetic variation associated.

environment on yield and yield components in two row winter barley varieties. Bulg. Agric. Sci., – The aim of this paper is to analyze the environmental influence over the yield and yield components in two row winter barley varieties. The experiment work was conducted during the period of on the research fields of the.

Kjaer, B. and Jensen, J. () Quantitative trait loci for grain yield and yield components in a cross between a six-rowed and a two-rowed barley. Euphyt 39 – Lev-Yadun, S. () Aposematic (warning) coloration associated with thorns in higher plants.

Selection for six-row spike morphology in the BC 2 F 2 led to a significant decrease in wild barley allele frequency surrounding the six-rowed spike morphology locus (vrs1) on chromosome 2H. Additional genomic regions of segregation distortion were found on chromosomes 1H and 6H, where wild barley introgression was more frequent than expected.

Malting quality is an important determinant of the value of barley grain used in malting and brewing. With recent sequencing and assembling of the barley genome, an increasing number of quantitative trait loci (QTLs) and genes related to malting quality have been identified and cloned, which lays a good molecular genetic basis for barley quality improvement.

In the ancestral two-row barley, each central fertile spikelet is accompanied by two lateral aborted spikelets, whereas in six-row barley, the two lateral spikelets are fertile.Starch content of barley genotypes with high protein content was less variable trait, and there were no significant differences among investigated accessions.

With increased yield, the content of crude protein decreased, coefficient of correlation for hulled two-row barley r = (r = ), for six-row r = (r =