Cultivation Technology Of New Wheat Varieties And Cluster Analysis Of Midge Resistant Resources

Wheat varieties good law is an important factor supporting the promotionguarantee high yield income. This article is to explore cultivation techniques "Henong58-3" and " Henong825" new two wheat varieties, fully tap the productionpotential of the species, quantity and sowing were three factors such as irrigation andfertilization on wheat quality and yield of the impact test, summed up the " Henong58-3" and " Henong825" high quality and high yield cultivation technology system,the main findings are as follows:1For wheat varieties "Henong825" and "Henong58-3," In the non special dryyears，two spring water is more cost-effective water-saving cultivation methods.Reducing irrigation is beneficial to improve the protein contentand wet glutencontent of wheat.2Sowing date had a significant effect on wheat yield, the two wheat varieties inBaoding area around October6to sow the highest yield, the most suitable sowing.3Seeding density on two wheat production is not significant, the density is toolarge is not conducive to high-yield wheat, wheat yield in favor of low-density,suitable planting density per acre for the200,000-25ten thousand seedlings/acreproduction.4Spring nitrogen fertilizer for wheat fields should be the number of waysdepending on population, low density populations should be applied over the firsttime under the water, a large group of spring wheat field dressing should be appliedtwice. Water Saving Irrigation convenient when dressing can be a secondary dressing,or late Yemianpenfei, thereby protecting the late supply of nutrients. A large amountof pre-dressing, not Tuofei late Catcher, foliar spraying increase was not significant.5For wheat varieties " Henong825"," Henong58-3" reasonable cultivationmeasures proposed:" Henong58-3" Sowing of October5to10days. Spring waterpoured twice. Suitable planting density per acre200,000-25million, or late sowingappropriate to increase the seeding rate. Organic fertilizer, nitrogen and phosphorusfertilizers with base fertilizer, urea is generally7.5to10kg/acre, DAP25kg/acrebase fertilizer, turning green to jointing stage with watering topdressing urea12.5-15kg/mu. Prevention and treatment after sowing wheat aphid control soil pests before Yaojibanzhong and smut, wheat heading." Henong825" the best solution for aboutsowing cultivation of October6, suitable planting density per acre200000-25tenthousand seedlings. Spring is about17.5kg of urea topdressing when first pouredwater, spring water were poured twice. Attention to disease prevention, to preventlodging.Wheat midge is an important pest in northern China wheat area, plantingresistant varieties is to control wheat midge damage the most cost-effective measures,this study selected62parts of wheat varieties (lines) resources based on insect gardenin wheat resistance to wheat midge resistance identification based on the use of150pairs of SSR primers, at the molecular level resistant varieties of different resourcesto detect and cluster analysis to provide the material basis for the insect breeding. Themain findings are as follows:SSR markers analyzed62midge resistant wheat varieties (lines) of the geneticsimilarity coefficient, the average similarity coefficient tested wheat varieties (lines)is0.710, the largest inter-species similarity coefficient of0.940, a minimum of0.571. According to the similarity coefficient, tested wheat varieties (lines) in theEuclidean distance0.712can be grouped into five categories. It can be seen that thecurrent planting wheat midge resistant varieties sources mainly in the South2419and6028Wesfarmers both parents, the genetic diversity of insect-resistant wheatvarieties need to be further widened.