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    题名 作者 年代 出处 被引量
1松树扦插及规模化繁育技术显示文摘无性系林业(clonal forestry)是以近代遗传育种学理论为指导,在选种基础上选取一些植株做无性系原株,通过无性繁殖,生产无性系造林苗木的一种营林方式.科学地在林地配置这些无性系,可达到集约经营的目的[1~3].经过一个多世纪的发展,无性系林业已成为当今世界各国林业界广泛应用的营林方式.赵媛媛 张贵芳 杨潜泉 林昌明 黄婷 刘天颐 黄少伟 林金星 2020中国科学:生命科学2020,50,9:4
2植物生长素检测技术研究进展显示文摘植物生长素是在植物体内合成的一类调控植物细胞和组织生长发育的植物激素,其定性、定量及原位测定技术一直是亟需解决的重要课题。本文对植物生长素定性、定量分析方法和技术的最新研究进展和应用现状进行了综述,详细总结了植物生长素主要检测技术的特点,并对生长素定性和定量分析技术进一步发展的相关问题进行了探讨。蔡迪 孙利军 鲍宁 刘武 2020植物生理学报2020,56,8:2
3Control of de novo root regeneration efficiency by developmental status of Arabidopsis leaf explants显示文摘De novo root regeneration(DNRR) has wide applications in agriculture such as those related to cutting technology. Detached Arabidopsis thaliana leaf explants can regenerate adventitious roots without added hormones. The regenerative ability is highly dependent on the developmental status of the leaf. An immature leaf has a higher regenerative ability, while a mature leaf is difficult to regenerate. Using RNASeq analysis, we showed that the expression levels of many genes, including those in the auxin network,changed during leaf maturation. Particularly, the expression levels of many YUCCA(YUC) genes in the auxin biosynthesis pathway are responsive to leaf maturation. Overexpression of YUC1 in the yuc-1 D dominant mutant rescued the rooting defects caused by leaf maturation. In addition, YUC4 expression levels were also affected by circadian rhythms. The regenerative ability was reduced in both immature and mature mutant leaf explants from the new wuschel-related homeobox 11-3(wox11-3) and wox12-3 mutant alleles created by the CRISPR/Cas9 method. Overall, the transcriptome and genetic data, together with the auxin concentration analysis, indicate that the ability to upregulate auxin levels upon detachment may be reduced during leaf maturation. Thus, multiple developmental and environmental signals may converge to control auxin accumulation, which affects the efficiency of the WOX11/12-mediated DNRR from leaf explants.Jing Pan Fei Zhao Guifang Zhang Yu Pan Lijun Sun Ning Bao Peng Qin Lyuqin Chen Jie Yu Yijing Zhang Lin Xu 2019Journal of Genetics and Genomics2019,46,3:2
4不定根发生的形态学和生理学研究进展显示文摘不定根的发生和形成是植物无性繁殖的一种重要方式,目前园艺植物的砧木无性系繁殖需要解决的关键技术难题是不定根的形成和成活。不定根形成是个复杂的过程,受诸多因素影响,如插条自身条件和环境条件以及植物生长调节剂等,这些内外条件之间不是独立存在的,而是相互影响和协同效应的关系。因此,明确不定根的形成机理对于促进园艺植物快速繁殖具有重要指引意义。本文综述了国内外关于不定根形成的形态学和生理学研究进展并进行了全面分析总结,为园艺植物无性繁殖提供一定的理论参考。高玉青 王文成 2022烟台果树2022,,4:0
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