canada goose norge CIMMYT and wheat breeding

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CIMMYT wheat breeding and

, But also identify the central base of wheat yield potential. Toluca is mainly in the highlands and low latitudes, rust-resistant under the conditions of hemorrhoids, leaf blight, scab, agronomic traits and yield screening of bases located in semi-arid areas El Bataan, mainly for semi-filtering drought wheat grown under case material. All materials must be of high generation sites in the three cross-screening. 1974 and 1977, Blaug turn the shuttle breeding crossbow 52 [991, No. 2 extended to South America, Brazil ?????, Pasu profusion and Kasi Wo. CIMMYT shuttle breeding and later extended to the United States, Asia, Africa, Asia and other places. 2. Improved group selection method (Modifledbulk) improved group selection method is commonly used in the CIMMYT wheat breeding methods cIMMYT per year 1OOOO ~ 12OOO a hybrid group of units, each group made seven sets of hybrid ear (to facilitate mechanical planting Fa offspring) F ~ F. To press different combinations of planting, to the F or Fe generation I was selected plant, then pedigree breeding method. Shuttle breeding are among the F-generation super-cross. This choice has the advantage of not only increasing the selection pressure, but easily lost with a wide range of adaptability, yield,moncler paris, disease resistance genetic material. 3. As mentioned earlier, a little anti-breeding, CIMMYT wheat rust, leaf blight and other disease research very seriously, and has made great achievements. M C1MMYT the past 10 years has done a lot of resistance to scab in the study. From 1982 Ultra, CIMMYT wheat breeding will be officially included in scab research. CIMMYT,ugg boots uk, experts on China's Yangtze River, the lower reaches of wheat scab resistance of the material very seriously. I garden in Obregón base identification number found in Chinese wheat varieties performed well, by CIMMYT experts. 5, such as Shanghai, Wuhan No. 2, forward (transliteration), etc., especially the Shanghai No. 5,: but the anti-scab, and short grain-filling stage, in Mexico only 38 days, while other varieties need 45 to 60 days. They believe that the main source of wheat scab resistance from the Yangtze River. But from this general area of ??wheat rust resistance, high yield and quality aspects as CIMMYT materials. CIMMYT, experts have started using the two hybrid materials, in order to select high-yield, high-quality, anti-mildew and other diseases of the red lines. According to the wheat group of ????? La Boshi (Dr.GirmaBekele) introduced, arrest, and other approved anti-scab disease and yield high quality material has been entered on behalf of, in recent years is expected to be filtered from Ethiopia identified. (B) the environmental breeding Mega (Mega-environ-mentsEreed {nK) cIMMYT In addition to extensive static adaptive education, but also pay attention to rhyme for the regional representative on the world environment for breeding. Past two years, they will catch species breeding environment for breeding summarized as Mega. Origin of wheat is about to impact on the world wheat production is divided into five main environmental Inso / Bu Jun side: 1. Rainfall; 2. Temperature; 3. Disease, pests; 4. Soil conditions} 5. Environment thousands, humidity and so on. Then follow each of the five factors representative areas of different levels of comprehensive sets of environmental conditions, seed selection. Bred varieties such regions is very strong. They have identified a number of drought-resistant, resistant 'varieties. (C) the choice of plant type wheat offspring, bread wheat group leader who pulled a Ram alcohol (Dr.SanjayaRaJaram) the invitation, I went to the field with members of group selection and saying wheat Fs, F,canada goose norge, F on behalf of two days . I from personal practice, however, the choice of bread wheat hybrids by the moderator decided to pull a Ram personally selected Rumsfeld's criteria are: 1. Wei cooked the same, moderate, rounded mature too early or too late Qian toxic materials; 2. Medium height, about 85 to 90 cm, rounding too high or too low lodging material J3. Field is not susceptible, show off Huangdui Qing material. The height from the choice of wheat hybrids can be seen, CIMMYT now than 70 years selected to increase the height of 10 centimeters. This may be related to plant height is too low will affect the stability of the wheat production. According to the Task Force members Dr. Thomas Ping (Dr.ThomasS.Payne), currently still is the use of CIMMYT Rht, Rht: a combination of these two genes and the dwarf gene. China's Tibet thumb dwarf with Rht, genes, with strong dwarfing effect,moncler jakker, but with CIMMYT and j is not yet Rht3 base clap Nevertheless, the author's research group at the CIMMYT experimental plots of wheat, almost all can see China's Tibet big thumb short growing areas. They cherish this valuable resource, and continue to explore its value in use.

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