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ÐòÑÔÇ°ÑÔÈËÉú¼Çʲ¿·Ö ÑîÊ÷ÓýÖÖ¼¼Êõ¼°Ïà¹ØÀíÂÛ Doubling Technology of Pollen Chromosome of Populus tomentosa and Its Hybrid Status and Advances of Molecular Genetic Improvement of Poplar Species in China Establishment of High Frequency Regeneration System of Populus tomentosa ËÄÖÖ¿¹Î¢¹ÜÎïÖÊÓÕµ¼Ã«ÐÂÑî2n»¨·ÛÁ£µÄÑо¿ ë°×ÑîÖÖ×ÓÅ߸ù·¢ÓýÉú¸ùÐÔ×´µÄÒÅ´«·ÖÎö µáÑîÒÅ´«¸ÄÁ¼²ßÂÔ³õÂÛ ÖйúÑîÊ÷ÔÓ½»ÓýÖÖÑо¿½øÕ¹ Èý±¶Ìåë°×ÑîÐÂÎÞÐÔϵľ²Ä¸ÉËõÐÔµÄÒÅ´«·ÖÎö QTL. Analysis of Leaf Morphology and Spring Bud Flush in (Populus tomentosa ¡Á P. bolleana)¡ÁP. tomentosa ÎÒ¹úÇàÑîÅÉÑîÊ÷»ùÒò×ÊÔ´¼°ÆäÒÅ´«ÓýÖÖÑо¿½øÕ¹ Analysis of the Leaf Characteristies Variation in Populus tomentosa Carr Progress and Strategies in Cross Breeding of Poplars in China Variation Analysis of Seed and Seedling Traits of Cross Combination Progenies in Populus Cross Breeding of Populus and Its Hybrids for Cold Resistance ÑîÊ÷Ìåϸ°ûÅßÌ¥·¢ÉúÑо¿¸Å¿ö Somatic Embryogenesis from Cell Suspension Cultures of Aspen Clone ÖйúÑîÊ÷×ÊÔ´ÓëÔÓ½»ÓýÖÖÑо¿ÏÖ×´¼°·¢Õ¹¶Ô²ß ÎÒ¹úÑîÊ÷ÓýÖÖÏÖ×´¼°ÆäÕ¹Íû Progress in the Study of Molecular Genetic Improvements of Poplar in China ë°×ÑîҶƬÀëÌåÔÙÉúÅàÑøµÄ»ùÒòÐÍЧӦ Isolation and Analysis of a TIR-specific Promoter from Poplar ÑîÊ÷ÔÓ½»Ç×±¾·Ö×ÓÒÅ´«¾àÀëÓë×Ó´úÉú³¤ÐÔ×´Ïà¹ØÐÔÑо¿ Seedling Test and Genetic Analysis of White Poplar Hybrid Clones Establishment of Cell Suspension Line of Populus tomentosa Carr Comparison and Early Selection of New Clones in Populus tomentosaµÚ¶þ²¿·Ö ·Ö×Ó±ê¼Ç¼¼Êõ¼°ÆäÓ¦Óà ë°×ÑîÎÞÐÔϵͬ¹¤Ã¸»ùÒò±ê¼ÇµÄÑо¿ Segregation of AFLP Markers in A (Populus tomentosa ¡Á P. bolleana) ¡Á P. tomentosa Carr. BC,Family Genetic Mapping in (Populus tomentosa ¡Á P. bolleana )and P. tomentosa Carr. Using AFLP Markers ë°×ÑîISSR·´Ó¦ÌåϵµÄ½¨Á¢¼°ÓÅ»¯ Identification of AFLP Markers Associated with Mbryonic Root (radicle) Develop ment Trait in Populus tomentosa ÑîÊô²¿·ÖÖÖ¼°ÔÓÖÖµÄAFLP·ÖÎö ÀûÓÃAFLP±ê¼ÇÑо¿Òø°×Ñî¡Á°×ÓܵÄÇ××Ó¹Øϵ ÑîÊ÷Genomic-SSRÓëEST-SSR·Ö×Ó±ê¼ÇÒÅ´«²îÒìÐÔ·ÖÎö »ùÓÚESTsÐòÁеÄÑîÊ÷ľÖʲ¿ÐγÉÏà¹ØEST-SSRs±ê¼ÇµÄ¿ª·¢ÓëÓ¦ÓõÚÈý²¿·Ö ÑîÊ÷ÉúÖ³ÉúÎïѧÓë»ùÒòµ÷¿Ø ÑîÊ÷ÉúÖ³ÉúÎïѧÑо¿½øÕ¹ Èý±¶Ìåë°×ÑîÓÐÐÔÉúÖ³ÄÜÁ¦µÄÑо¿ Cloning and RNAi Construction of a LEAFY Homologous Gene from Populus tomentosa and Preliminary Study in Tobacco APETALA3 Homologous Gene (P1AP3) Cloning from Populus tomentosa: A Preliminary Study on Its Sense and Anti-sense Transformation in Tobacco ë°×ÑîPLFYÔÚ»¨Ñ¿·¢ÓýÖеıí´ïģʽÓ뻨ѿÐÎ̬·Ö»¯ ë°×ÑîPaSEP3-1»ùÒòÆô¶¯×ӵĿË¡·ÖÎö¼°Æä±í´ïÔØÌå¹¹½¨ Isolation of a LEAFY Homolog from Populus tomentosa: Expression of PtLFY in P. tomentosa Floral Buds and PiL.FY-IR-mediated Gene Silencing in Tobacco ( Nicotiana tabacum) Ectopic Expression of a Poplar APETALA3-like Gene in Tobacco Causes Early Flowering and Fast Growth ÍâÔ´Í»±ä»ùÒòAGM3¹ý±í´ï¶ÔÑ̲ݿª»¨µÄÒÖÖƺͻ¨Æ÷¹Ù·¢ÓýµÄÓ°ÏìµÚËIJ¿·Ö ÑîÊ÷¿¹ÄæÉúÀíÉú»¯Óë·Ö×ÓÉúÎïѧ The Changes of G6PDHase, ATPase and Protein During Low Temperature Induced Freezing Tolerance of Populus suaveollens תBt»ùÒòÑîÊ÷¶ÔÃÀ¹ú°×¶êÓ׳æÖг¦½â¶¾Ã¸¼°ÒÒõ£µ¨¼îõ¥Ã¸µÄÓ°Ïì תCpTI»ùÒòÑîÊ÷¶ÔÃÀ¹ú°×¶êÓ׳æÖг¦½â¶¾Ã¸¼°ÒÒõ£µ¨¼îõ¥Ã¸µÄÓ°Ïì ÔÚµÍÎÂÓÕµ¼Ã«°×Ñ¶³ÐÔÖÐCaMº¬Á¿ºÍG6PDHase¼°ATPase»îÐԵı仯 Role of CaCl, in Cold Acclimation Induced Freezing Resistance of Populus tomentosa Cuttings Response of Antioxidant Defense System in Populus tomentosa Cuttings Subjected to Salt Stress Cold Acclimation Induced Changes in Total Soluble Protein, RNA, DNA, RNase and Freezing Resistance in Populus tomentosa Cuttings ë°×ÑîÓ×ÃçµÍζÍÁ¶¹ý³ÌÖÐCa¡°µÄ×÷Óü°Ï¸°ûCa¡±-ATPø»îÐԵı仯 Identification of Expression of CpT I Gene in Transgenic Poplars at Protein Level Test of Insect-Resistance of Transgenic Poplar with GpT I Gene The Role of Calcium and Calmodulin in Freezing-Induced Freezing Resistance of Populus tomentosa Cuttings Role of Glucose-6-Phosphate Dehydrogenase in Freezing-induced Freezing Resistance of Populus suaveolens Resistance of Transgenic Hybrid Triploids in Populus tomentosa Carr. Against 3 Species of Lepidopterans Following Two Winter Dormancies Conferred by High Level Expression of Cowpea Trypsin Inhibitor Gene Assessment of Rhizospheric Microorganisms of Transgenic Populus tomentosa with Cowpea Trypsin Inhibitor (Cp7 I ) Gene Construction and Characterization of cDNA Library from Water-Stressed Plantlets Regenerated in vitro of Populus hopeiensis ¾ßÓйâ¼çÐÇÌìÅ£ÄÚÇоÛÆÏÌÇø½áºÏ»îÐÔ¶ÌëĵÄɸѡ Prokaryotic Expression Analysis of an NBS-type P:DRG01 Gene Isolated from Populus tomentosa Carr Identification and Characterization of CBF/DREB1-related genes in Populus hopeiensis .¡­. 485 Successful Agrobacterium-mediated Transformation of Populus tomentosa with Apple SPDS Gene Functional Analysis of 5' Untranslated Region of a TIR-NBS-encoding Gene from Triploid White Poplar Functional Identification and Regulation of the Ptdrl02 Gene Promoter from Triploid White Poplar MdSPDS1»ùÒòµ¼Èëë°×ÑîµÄÒÅ´«×ª»¯ÌåϵÓÅ»¯Ñо¿µÚÎ岿·Ö ÑîÊ÷¹âºÏ×÷Óá¢Ë®·ÖÉúÀí¼°¿óÖÊÓªÑøÎüÊÕ Èý±¶Ìåë°×ÑîÎÞÐÔϵ¹âºÏÌØÐÔµÄÑо¿ ÃÀÖÞºÚÑîÓë´óÇàÑîÔÓÖÖÎÞÐÔϵÃçÆÚ¹âºÏÌØÐÔÑо¿ 3ÄêÉúë°×ÑîÎÞÐÔϵ¹âºÏÌØÐԵıȽÏÑо¿ Ó¦ÓÃNʾ×ÙÑо¿Ã«°×ÑîÃçľ¶Ô²»Í¬ÐÎ̬µªËصÄÎüÊÕ¼°·ÖÅä ³Î÷ƽԭë°×ÑîÔìÁÖµØÍÁÈÀËÙЧÁ׺ÍËÙЧ¼Ø¿Õ¼ä±äÒìÐÔÑо¿ ë°×ÑîÔÓÖÖÎÞÐÔϵÎȶ¨Ì¼Í¬Î»ËØÖµµÄÌØÕ÷¼°ÆäË®·ÖÀûÓÃЧÂÊ ²»Í¬Ê©·Ê´¦Àí¶Ôë°×ÑîÈ˹¤ÁÖÉú³¤¼°ÓªÑø×´¿öµÄÓ°Ïì ÐÞÖ¦¶Ôë°×ÑîÎÞÐÔϵÉú³¤¡¢¾»¹âºÏËÙÂʺÍÕôÌÚËÙÂʵÄÓ°ÏìµÚÁù²¿·Ö ÑîÊ÷²ÄÐÔ¼°Ä¾²Ä¼Ó¹¤ Study on Inheritance and Variation of Wood Fiber Length of Populus tomentosa Clones Study on Inheritance and Variation of Wood Basic Density of Populus tomentosa Carr. Clones Èý±¶Ìåë°×ÑîÎÞÐÔϵľ²ÄÃܶÈÒÅ´«±äÒìÑо¿ Èý±¶Ìåë°×ÑîÎÞÐÔϵľ²ÄÈÈѧÐÔÖʱäÒì³õ̽ Genetic Control of Air-dried Wood Density, Mechanical Properties and Its Implication for Veneer Timber Breeding of New Triploid Clones in Populus tomentosa Carr ë°×ÑîÎÞÐÔϵʪÐIJıÈÀýµÄÒÅ´«·ÖÎö QTL. Analysis of Growth and Wood Chemical Content Traits in an Interspecifie Backeross Family of White Poplar (Populus tomentosa ¡Á P. bolleana) ¡ÁP. tomentosa ë°×ÑîÎÞÐÔϵÏËάÌØÐÔ¼°Î¢ÏËË¿½ÇµÄÒÅ´«·ÖÎö¸½Â¼ Ò»¡¢½Ì²Ä¼°¹ú¼Ò±ê×¼µÄ±àÖø ¶þ¡¢Ñо¿ÉúÅàÑø Èý¡¢Ö÷³ÖºÍ²ÎÓëµÄ¿ÆÑÐÏîÄ¿ ËÄ¡¢¿ÆÑлñ½± Îå¡¢±íÕúÍÈÙÓþ Áù¡¢Éç»á¼æÖ°ºó¼Ç