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| 1 | Molecular cytogenetic characterization of a novel wheat-Thinopyrum intermedium introgression line tolerant to phosphorus deficiency显示文摘Thinopyrum intermedium has been used as a resource for improving resistance to biotic and abiotic stresses and yield potential in common wheat. Wheat line SN304 was derived from a cross between common wheat cultivar Yannong 15 and Th. intermedium. Genomic in situ hybridization(GISH) produced no hybridization signal in SN304 using Th. intermedium genomic DNA as a probe, but fluorescence in situ hybridization(FISH) using oligonucleotides AFA-3, AFA-4, pAs1-1, pAs1-3, pAs1-4, pAs1-6, pSc119.2-1,and(GAA)10 as probes detected hybridization signals on chromosomes 2 A, 7 A, 2 B, 3 B, 6 B, and 7 B in SN304 that differed from Yannong 15. Results of specific markers also indicated that there were Th. intermedium chromatin introgressions on different chromosomes in SN304. In a hydroponic culture experiment, SN304 not only produced more biomass and higher stem and leaf dry weight but also accumulated more phosphorus than Yannong 15 under phosphorus-deficiency stress. Moreover, SN304 produced a lower pH and released more organic acids, especially oxalic acid, than Yannong 15, which suggests that SN304 exudates enabled more absorbance of P than Yannong 15 under comparable conditions.The results indicate that SN304 is a wheat-Th. intermedium introgression line with tolerance to phosphorus-deficiency stress. | Xia Zhang Caihong Cui Yinguang Bao Honggang Wang Xingfeng Li | 2021 | The Crop Journal2021，9，4： | 1 |
| 2 | Breeding new cultivars for sustainable wheat production显示文摘Common wheat(Triticum aestivumL.)is amajor staple food crop that feeds about 40% of the world’s population.Wheat production and utilization accounts for^28% of the global cereal crops(http://gffzz4d9321d972ec49cehuvnqvcfwvvv66cpx.ffgz.tsg.suse.edu.cn/)food-outlookbiannual-report-global-food-markets.Consequently,wheat supplies approximately one-fifth of human calories in a variety of forms,including leavened,flat and steamed breads,biscuits,cakes,different forms of noodles,pasta,couscous,and pies,as well as secondary products such as starch,gluten and nonflour milling fractions.Wheat consumption has been steadily increasing due to population expansion and urbanization.For example,wheat consumed in China increased more than sixfold(from 19 million tons to 123 million tons)in the 50 years from 1962 to 2012[1]. | Hongjie Li Timothy D.Murray Robert A.McIntosh Yang Zhou | 2019 | The Crop Journal2019，7，6： | 1 |
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