Drought is one of the major limiting factors in wheat production in Pakistan. Five commercial wheat varieties; Chakwal-97, Inqilab-91, Margalla-99, NR-234 and Wafaq2001 were grown in pots in glasshouse. Plants were subjected to three consecutive drought cycles at tillering, pre-anthesis and milky growth stages by withholding water till leaf rolling started. Measurements of physiological respons...

A collection of 100 wheat varieties representing more than 100 years of wheat-breeding history in Scandinavia was established in order to identify marker-trait associations for plant height (PH), grain yield (GY), and biomass potential for bioethanol production. The field-grown material showed variations in PH from 54 to 122 cm and in GY from 2 to 6.61 t ha(-1). The release of monomeric sugars ...

Stem rust caused by Puccinia graminis f.sp tritici Erik. & E. Henn. is a highly destructive disease of wheat (Triticum aestivum L.). The effects of fungicide application on stem rust (Puccinia graminis tritici) epidemics and yield of three bread wheat varieties varying in reaction to the disease were studied in two major wheat growing and stem rust prone districts (Agarfa and Sinana) of Bale, E...

There is little information in the literature regarding North American varieties of spring wheat which are responsive to vernalization treatment. The same variety has been reported by different investigators to react positively or negatively to treatmenit. For example, VAN HOEK (3) obtained acceleration of maturity when springof wheat was vernalized, but treatmelnt of the same variety by GMELIN...

seed–storage proteins are important reservoirs of food and energy which are also involved in the determination of bread making quality. solubility properties of these proteins are traditionally classified into four classes: albumin, globulin, prolamin and glutelin. gliadin and glutenin have also been studied extensively and the genetics and biochemistry are relatively well known. grain proteins...

The biology and genetics of developmentally regulated resistance to rusts and powdery mildews is being examined through a study of wheat mutants that express enhanced resistance to one or more of these pathogens. Mutants, isolated from the wheat varieties Hobbit ‘sib’ and Guardian, are being mapped to determine the number, location, and effect of each mutation contributing to each pathogen resi...

Poaceae (formerly known as Gramineae) is often considered to be the most important of all plant families to human economies. From evolutionary point of view, wheat is a young polyploid and its genetic configuration is a classical example of cereals phylogenic relationship. The genetic diversity of the elite germplasm have been used by plant breeders for numerous reasons such as germplasm manage...

The aims of this study were to investigate genotypic variations in root traits at phytomer level of wheat varieties and for recommending a few root traits as selection parameters in future breeding programs. Two separate experiments were conducted to measure their root traits for hydroponically grown wheat plants. In Experiment 1, main axis length, root hair density and diameter differed from p...

The glossy varieties (A14 and Jing 2001) and glaucous varieties (Fanmai 5 and Shanken 99) of wheat (Triticum aestivum L.) were selected for evaluation of developmental changes in the composition and morphology of cuticular waxes on leaves and spikes. The results provide us with two different wax development patterns between leaf and spike. The general accumulation trend of the total wax load on...

Wheat (Triticum aestivum L.) ranks first among cereal crops cultivated in Russia and Russia is one of the major wheat producers in the world. Though there is a great demand for Russian wheat varieties with resistance to diseases and other environmental stress, there is a limitation at transferring resistance to crop plants by the complexity of stress tolerance traits, as most of these are quant...