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| 1 | Mapping of Fertility Restoring Gene for Aegilops kotschyi Cytoplasmic Male Sterility in Wheat Using SSR Markers显示文摘LK783 was found to be a good fertility restorer for K-type male sterility of wheat. Microsatellite markers were employed to map the major restoring gene in LK783. Maintainer and restorer DNA pools were established using the extreme sterile and fertile plants among (KJ5418A//911289/LK783)F1 population,respectively. Seventy-nine sets of SSR primers were screened for polymorphism between the two pools, 6 of which were found polymorphic. Linkage analysis showed that Xgwm11, Xgwm18 , Xgwm264a and Xgwm273were linked to the restoring gene in LK783, while Xgwm11, Xgwm18 and Xgwm273 were co-segregated. The distance between the Rf gene in LK783 and the three co-segregated markers was 6.54±4.37 cM, the distance between Rf gene and Xgwm264a was 5.71±4.10 cM. The four SSR markers were located on chromosome 1BS by amplifying the DNA of nulli-tetrasomics and ditelosomics of CS with the 4 sets of primers, indicating that the major restoring gene in LK783 was located on 1BS, but the relative location of the gene was different from Rfv1, allelism of the two genes should be further investigated. The breeding for new fertility restorer lines of K-type cytoplasmic male sterility in wheat would be facilitated by using the four polymorphic markers. | LIU Bao-shen, SUN Qi-xin, GAO Qing-rong, SUN Lan-zhen, XIE Chao-jie, LI Chuan-you, NI Zhong-fu and DOU Bing-de( Agronomy Department, Shandong Agricultural University, Taian 271018, P.R.China Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100094 , P. R . China ) | 2002 | Agricultural Sciences in China2002，1，8： | 13 |
| 2 | Breeding Technology of eui-hybrids of Rice显示文摘Induced mutants of elongated uppermost internode (eui) were directly obtained after irradiation on maintainer (B) and restorer (R) lines of hybrid rice. CMS lines(A) with eui (referred to as eA), restorer lines with eui (referred to as eR) as well as hybrid rice with eui gene (referred to as e-hybrids)were developed. The results showed that the eui mutation frequency averaged 0.10‰ at a range of 0.02‰ - 0.47‰,varying with applied dosage and mutated materials. Genetic diversities of eui stock, and a new eui gene, temporarily designated as eui2(t), was identified. eA lines have a significantly elongated uppermost internode causing better panicle exsertion and possessing higher outcrossing potential. e-hybrids increased plant height by 3 - 10 cm and headed 2 - 3 days earlier, as well as showed greater grain weight resulting in higher yield potential than that of corresponding original hybrids. The technology systems without GA3, a few of using GA3 in hybrid rice seed production, and the establishment of e-hybrid rice breeding system were also discussed in this paper. | YANG Ren-cui, ZHANG Shu-biao, HUANG Rong-hua, YANG Shu-Ian and ZHANG Qing-qi(Institute of Genetics and Crop Breeding , Fujian Agricultural and Forestry University, Fuzhou 350002 , P. R . China ) | 2002 | Agricultural Sciences in China2002，1，4： | 11 |
| 3 | The Machine Recognition for Population Feature of Wheat Images Based on BP Neural Network显示文摘Recognition and analysis of dynamic information about population images during wheat growth periods can be taken for the base of quantitative diagnosis for wheat growth. A recognition system based on self-learning BP neural network for feature data of wheat population images, such as total green areas and leaves areas was designed in this paper. In addition, some techniques to create favorable conditions for image recognition was discussed, which were as follows: (1) The method of collecting images by a digital camera and assistant equipment under natural conditions in fields. (2) An algorithm of pixei labeling was used to segment image and extract feature. (3)A high pass filter based on Laplacian was used to strengthen image information. The results showed that the ANN system was availability for image recognition of wheat population feature. | LI Shao-kun, SUO Xing-mei, BAI Zhong-ying, QI Zhi-li, Liu Xiao-hong, GAO Shi-ju and ZHAO Shuang-ning( Institute of Crop Breeding and Cultivation /Key Laboratory of Crop Genetic & Breeding, Ministry of Agriculture, ChineseAcademy of Agricultural Sciences, Beijing 100081 , P . R . China Department of Computer Science and Technology, CentralUniversity for Nationalities, Beijing 100081 , P. R . China School of Computer Science and Technology, Beijing Universityof Posts and Telecommunications, Beijing 100876, P. R . China Research Center of Xinjiang Crop High-yield,Shihezi University, Shihezi 832003, P.R. China) | 2002 | Agricultural Sciences in China2002，1，8： | 4 |
| 4 | Polycyanurates from 2-alkoxy-4,6-dichlorocs-triazines and 2,2-bis(p-hydrooxyphenol)propane 显示文摘 | Elliott R L | 1969 | J Polym Sci: Part A-11969，7，9： | 1 |
| 5 | Aircraft identification by moment invariants 显示文摘 | S A Dudani K J Breeding R B McGhee | 1977 | IEEE Trans on Computers1977，26，： | 1 |
| 6 | Functionalization of polymer microspheres using click chemistry显示文摘 | Breed D R Thibault R Xie F | 2009 | Langmuir2009，25，8： | 1 |
| 7 | Compensatory changes in the cytoplasmic tail of gp41 confer resistance to Tetherin/BST-2 in a pathogenic Nef-deleted SIV显示文摘 | Serra-Moreno R Jia B Breed M Alvarez X Evans DT | 2011 | Cell Host Microbe2011，9，1： | 1 |
| 8 | Colloids with valence and specific directional bonding 显示文摘 | Wang Y Wang Y Breed D R Manoharan V N Feng L Hollingsworth A D Weck M Pine D J | 2012 | Nature2012，491，： | 1 |
| 9 | Aircraft Identification by Moment Invariants显示文摘 | S A Dudani K J Breeding R B McGhee | 1977 | IEEE Trans Computers1977，3946，： | 1 |
| 10 | Arylene- modified siloxanes 显示文摘 | BREED L W ELLIOTT R L WHITEHEAD M E | 1967 | Journal of Polymer Science Part A : Polymer Chemistry1967，5，11： | 1 |
| 11 | Aircraft identification bymoment in variants显示文摘 | Dudan S A Breeding K J Ghee R B M | 1977 | IEEE Transaction on Computer1977，，1： | 1 |
| 12 | Relation of spinal deformity and pelvic obliquity on sitting distribution and decubitus ulceration显示文摘 | Drummond D Breed AL Narechania R | | 0，，04： | 1 |
| 13 | Official and tentative methods of analysis显示文摘 | BREED R S | 1937 | American journal of public health and the nations health1937，27，8： | 1 |
| 14 | Process layout and forming results from deep drawing using pressurized membranes显示文摘 | Vollertsen F Breede R Beckman M | 2001 | Proceedings of the Institution of Mechanical Engineers Part B:Journal of Engineering Manufacture2001，215，7： | 1 |
| 15 | Enterochelin(enterobactin):virulence factor for Salmonella typhimurium显示文摘 | Yancey R J Breeding S A Lankford C E | 1979 | Infect Immun1979，24，： | 1 |
| 16 | Aircraft identification by moment invariants 显示文摘 | Dudani S A Breeding K J McGhee R | 1977 | IEEE Transactions on Computers1977，26，1： | 1 |
| 17 | Colloids with valence and specific directional bonding显示文摘 | Wang Y F Wang Y Breed D R | | 0，，： | 1 |
| 18 | Aircraft identification by moment invariants显示文摘 | Dudani S A Breeding K J McGhee R B | 1983 | IEEE Trans on Computer1983，26，： | 1 |
| 19 | Aircraft identification by moment invariants显示文摘 | Dudani S A Breeding K J and Meghee R B | 1977 | IEEE Trans on Computers1977，1，26： | 1 |
| 20 | Repeated respiratory Mycoplasma pneumoniae infections in mice: effect of host genetic background显示文摘 | Chu HW Breed R Rino J G | 2006 | Microbes Infect2006，8，： | 1 |
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