[1] Sun Q Z, Wang Y Q, Hou X Y. Alfalfa winter survival research summary. Pratacultural Science, 2004, 21(3): 21-25. [2] Safaa A, Glenn W T. Carbohydrate reserves in alfalfa roots during fall, winter and spring. Oklahoma Academy of Science Proceedings, 1989, 69: 11-14. [3] Pederson G A, Hill R R, Kendall W A. Genetic variability for root characters in alfalfa populations differing in winter hardiness. Crop Science, 1984, 24(3): 465-468. [4] Cunningham S M, Gana J A, Volenec J J. Winter hardiness, root physiology, and gene expression in successive fall dormancy selections from 'Mesilla' and 'CUF101' alfalfa. Crop Science, 2001, 41(4): 1091-1098. [5] Haagenson D M, Cunningham S M, Volenec J J. Root physiology of less fall dormant, winter hardy alfalfa selections. Crop Science, 2003, 43(4): 1441-1447. [6] Castonguay Y, Laberge S, Brummer E C, et al . Alfalfa winter hardiness: a research retrospective and integrated perspective. Advances in Agronomy, 2006, 90: 203-265. [7] Catherine D, Castonguay Y, Avice J. VSP accumulation and cold-inducible gene expression during autumn hardening and overwintering of alfalfa. Journal of Experimental Botany, 2006, 57(10): 2325-2337. [8] Liu Z Y, Li X L, Qi X, et al . Alfalfa science research by Chinese scholars since 1950: history and main topics. Acta Prataculturae Sinica, 2015, 24(10): 58-69. [9] Schwab P M, Barnes D K. Factor affecting a laboratory evaluation of alfalfa cold tolerance. Crop Science, 1996, 36(2): 318-324. [10] Schwab P M, Barnes D K, Sheaffer C C. The relationship between field winter injury and fall growth score for 251 alfalfa cultivars. Crop Science, 1996, 36(2): 418-426. [11] Sun Q Z, Gui R, Han J G. Research on winter injury and prevent technique of alfalfa ( Medicago sativa cv. 'Aohan') in Chifeng region. Acta Agrestia Sinica, 2001, 9(1): 50-57. [12] Ge X X, Fang K F, Hao Q, et al . The mesophyll cell ultrastructural variations of four species in Euonymus with evergreen broad-leaf planted in northern China in winter. Journal of Chinese Electron Microscopy Society, 2010, 29(2): 167-172. [13] Niki T. Studies on chilling injury in plant cellsⅠ. Ultrastructural changes associated with chilling injury in callus tissues of Cornus stolonifera . Plant and Cell Physiology, 1978, 19(1): 139-148. [14] Zheng L M, Si L T, Han G C. Effects of low temperature treatment on the ultrastructure of seedling leaf of different cold resistance cucumber. Acta Agriculturae Boreali-Occidentalis Sinica, 2009, 18(4): 276-279. [15] Jian L C, Jing Y X, Zhang B T. Cytological studies on the cold resistance of plants ultrastructural changes of the wheat cells in the winter period. Journal of Integrative Plant Biology, 1973, 15(1): 22-37. [16] Lee S H, Singh A P, Chung G C, et al . Chilling root temperature causes rapid ultrastructural changes in cortical cells of cucumber ( Cucumis sativus L.) root tips. Journal of Experimental Botany, 2002, 53: 2225-2237. [17] Ishikawa H A. Ultrastructural features of chilling injury: injured cells and the early events during chilling of suspension-cultured mung bean cells. American Journal of Botany, 1996, 83(7): 825-835 [18] Murphy C, Wilson J M. Ultrastructural features of chilling injury in Episcia-reptans. Plant Cell and Environment, 1981, 4(3): 261-265. [19] Li R F, Wang L X. Effect of chilling stress on ultrastructure of root and leaf cells in grape. Acta Agriculturae Boreali-Sinica, 1996, 11(4): 111-115. [20] Zhou Y W. Adapted changes in mesophyll cell ultrastructure of Primula sieboldii during cold-acclimation and cold stress. Plant Physiology Communications, 2007, 43(2): 255-258. [21] Li L, Deng J M, Guo L R. Ultrastructure of the plasmalemma invaginations in callus of Hibiscus rosa-sinensis cuttings. Acta Botanica Yunnanica, 1998, 20(3): 312-314. [22] Jian L C, Wang H. Plant Stress Cell Biology[M]. Beijing: Science Press, 2009: 140-143. [23] Stefanowska M, Kuras M, Kacperska A. Low temperature-induced modifications in cell ultrastructure and localization of phenolics in winter oilseed rape ( Brassica napus L. var. oleifera L.) leaves. Annals of Botany, 2002, 90(5): 637-645. [24] Jian L C, Wu S X. Cytological studies on the cold resistance of plants-morphological changes of the intracellular structures of wheat in the overwintering period. Journal of Integrative Plant Biology, 1965, 13(1): 1-16. [25] Jian L C, Li J H, Li P H. Seasonal alteration in amount of Ca 2+ in apical bud cells of mulberry ( Morus bombciz ): an electron microscopy-cytochemical study. Tree Physiology, 2000, 20(9): 623-628. [26] Jian L C, Sun D L, Deng G M, et al . Alterations of intracellular Ca 2+ concentration and ultrastructure in spruce apical bud cells during seasonal transition. Forest Science and Practice, 2004, 6(1): 1-9. [27] Rajashekar C B, Lafta A. Cell-wall changes and cell tension in response to cold acclimation and exogenous abscisic acid in leaves and cell cultures. Plant Physiology, 1996, 111(2): 605-612. [28] Akashi T, Kawasaki S, Shibaoka H. Stabilization of cortical microtubules by the cell-wall in cultured tobacco cells - effects of extensin on the cold-stability of cortical microtubules. Planta, 1990, 182(3): 363-369. [29] Dong L, Jia G X, Su X H. Change of the leaf tissue structure of evergreen broad-leaf plants during overwintering. Acta Horticulturae Sinica, 2003, 30(1): 59-64. [30] Yang F X, Dong J M, Yang X X. Variations of the ultrastructure of the leaf cell of cotton under low temperature. Journal of Shanxi Agricultural University (Nature Science edition), 2001, 21(2): 116-117. [31] Sangwan R S, Mathivet V, Vasseur G. Ultrastructural localization of acid phosphatase during male meiosis and sporogenesis in Datura: Evidence for digestion of cytoplasmic structures in the vacuoles. Protoplasma, 1989, 149(1): 38-46. [32] Han S H, Wang S, Li Q, et al . Ultrastructural studies on menbranous inclusions in the vacuoles of Ammopitanthus mongolicus in winter. Journal of Chinese Electron Microscopy Society, 1994, 13(4): 241-247. [33] Ritali Z, Ashworth E N. Response of xylem ray parenchyma cells of supercooling wood tissues to freezing stress: microscopic study. International Journal of Plant Sciences, 1995, 156(6): 784-792. [34] Jian L C, Deng J M, Li P H. Seasonal alteration of the cytosolic and nuclear Ca 2+ concentration in over-wintering woody and herbaceous perennials in relation to the development of dormancy and cold hardiness. Journal of the American Society for Horticultural Science, 2003, 128(1): 29-35. [35] Wang K R, Xue S B, Liu H T. Cell Biology (second edition)[M].Beijing: Beijing Normal University Press, 2002: 685-689. [36] Shi G X, Xu X S, Wang W, et al . On the observation of amoeboid plastids of cotyledonary cells of Nelumbo nucifera. Chinese Bulletin of Botany, 1993, 10(4): 47-49. [37] Yang T, Chen D H, Wu L P. Tissue culture of Anthurium andareanum and observation of the development of cells and chloroplasts by electron microscope. Subtropical Plant Research Communications, 1998, 27(1): 1-7. [38] Wu X D, Yang S J. The irregular shaped plastids and mitochondria in suspensor cells of capsella. Journal of Chinese Electron Microscopy Society, 1998, 17(1): 7-10. [39] Endress A G, Sjolund R D. Ultrastructural cytology of callus cultures of Streptanthus tortuosus as affected by temperature. American Journal of Botany, 1976, 63(9): 1213-1224. [40] Smith M M, Hodson M J, Öpik H, et al . Salt-induced ultrastructural damage to mitochondria in root tips of a salt-sensitive ecotype of Agrostis stolonifera . Journal of Experimental Botany, 1982, 33(5): 886-895. [41] Han Q F, Wu X W, Jia Z K, et al . Analysis on dynamic variety of crown characteristics of different fall dormancy Medicago sativa cultivars. Acta Prataculturae Sinica, 2008, 17(4): 85-91. [42] Grandfield C O. Food reserves and their translocation to the crown buds as related to cold and drought resistance in alfalfa. Journal of Agricultural Research, 1943, 67: 33-47. [43] Pernbleton K G, Volenec J J, Rawnsley R P, et al . Partitioning of taproot constituents and crown bud development are affected by water deficit in regrowing alfalfa ( Medicago sativa ). Crop Science, 2010, 50(3): 989-999. [44] 孙启忠, 王育青, 侯向阳. 紫花苜蓿越冬性研究概述. 草业科学, 2004, 21(3): 21-25. [45] 刘志英, 李西良, 齐晓, 等. 1950年以来中国学者对苜蓿属的研究:历史脉络与启示. 草业学报, 2015, 24(10): 58-69. [46] 孙启忠, 桂荣, 韩建国. 赤峰地区敖汉苜蓿冻害及其防御技术. 草地学报, 2001, 9(1): 50-57. [47] 葛秀秀, 房克凤, 郝强, 等. 北方四种卫矛属常绿阔叶植物叶肉细胞超微结构在冬季的适应性变化. 电子显微学报, 2010, 29(2): 167-172. [48] 郑丽梅, 司龙亭, 韩贵超. 低温处理对不同耐寒性黄瓜幼苗叶片超微结构的影响. 西北农业学报, 2009, 18(4): 276-279. [49] 简令成, 荆玉祥, 张宝田. 植物抗寒性的细胞学研究 小麦进入寒冬时期细胞亚显微结构的变化. 植物学报, 1973, 15(1): 22-37. [50] 李荣富, 王丽雪. 低温胁迫对葡萄叶片及根系细胞亚显微结构的影响. 华北农学报, 1996, 11(4): 111-115. [51] 周蕴薇. 低温锻炼和低温胁迫期间翠南报春叶肉细胞超微结构的适应变化. 植物生理学通讯, 2007, 43(2): 255-258. [52] 李玲, 邓江明, 郭丽荣. 扶桑插条愈伤组织质膜内陷的超微结构研究. 云南植物研究, 1998, 20(3): 312-314. [53] 简令成, 王红. 逆境植物细胞生物学[M]. 北京: 科学出版社, 2009: 140-143. [54] 简令成, 吴素萱. 植物抗寒性的细胞学研究-小麦越冬过程中细胞结构形态的变化. 植物学报, 1965, 13(1): 1-16. [55] 董丽, 贾桂霞, 苏雪痕. 常绿阔叶植物越冬期间叶片组织结构的适应性变化. 园艺学报, 2003, 30(1): 59-64. [56] 杨凤仙, 董俊梅, 杨晓霞. 低温胁迫下棉叶叶绿体,液胞超微结构的变化. 山西农业大学学报(自然科学版), 2001, 21(2): 116-117. [57] 韩善华, 王双, 李琪, 等. 冬季沙冬青液泡中膜状内含物的超微结构研究. 电子显微学报, 1994, 13(4): 241-247. [58] 汪堃仁, 薛绍白, 柳惠图. 细胞生物学(第二版)[M]. 北京: 北京师范大学出版社, 2002: 685-689. [59] 施国新, 徐祥生, 王文, 等. 莲子叶细胞中变形质体的观察. 植物学通报, 1993, 10(4): 47-49. [60] 杨涛, 陈德海, 吴荔萍. 安祖花组织培养及其细胞的叶绿体发育过程的电镜观察. 亚热带植物通讯, 1998, 27(1): 1-7. [61] 吴晓东, 杨世杰. 荠菜胚柄细胞中质体和线粒体的形态变异. 电子显微学报, 1998, 17(1): 7-10. [62] 韩清芳, 吴新卫, 贾志宽, 等. 不同秋眠级数苜蓿品种根颈变化特征分析. 草业学报, 2008, 17(4): 85-91. |