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THEORY AND APPLICATION OF CUTTAGE SEEDLING AND AFFORESTATION ON POPLAR 被引量:1
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作者 包青 付志学 《Journal of Northeast Forestry University》 SCIE CAS CSCD 1994年第3期31-36,共6页
First, a theoretical model of density of cuttage seedlings on poplar was evaluated by using mathematical tools based on anatomy and morphology of photosynthesis organ, then,according to this, an afforestation density ... First, a theoretical model of density of cuttage seedlings on poplar was evaluated by using mathematical tools based on anatomy and morphology of photosynthesis organ, then,according to this, an afforestation density of the trces was put forward, finally, the importance,scope and method of the theoretic application wcre described through a concretc calculation. The result showed that these density models had not only rigorous theory base, including biology and mathematics, but also wide applying prospect. And at the same timc, the model parameters could be gotten easily in forestry practice. 展开更多
关键词 POPLAR cuttage AFFORESTATION DENSITY
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Technique of Three-dimensional Cuttage of Gardenia jasminoides Ellis
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作者 Yan YANG Jie TANG +4 位作者 Yuxi TANG Lei LI Yongjin LI Hongxiao HE Mengya YIN 《Agricultural Biotechnology》 CAS 2021年第4期138-142,共5页
[Objectives]This study was conducted to improve the propagation efficiency of Gardenia jasminoides Ellis and improve the quality of plantlets.[Methods]A G.jasminoides cutting experiment was carried out with three diff... [Objectives]This study was conducted to improve the propagation efficiency of Gardenia jasminoides Ellis and improve the quality of plantlets.[Methods]A G.jasminoides cutting experiment was carried out with three different cuttage modes and two cutting treatment methods,and the rooting time,rooting rate,root amount and plantlet growth were measured and analyzed.[Results]The three-dimensional cutting model of CL1 could not only shorten the nursery cycle and promote root development,but also effectively improve the quality of plantlets and increase the yield of plantlets per unit area.It is an ideal way to improve the quality and efficiency of cutting plantlets.[Conclusions]This study has a positive role in promoting the healthy development of the nursery stock industry. 展开更多
关键词 Gardenia jasminoides Ellis Three-dimensional cuttage ROOTING GROWTH
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Effects of Applying New-style Growth Hormone on Eucalypt Cuttage
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作者 ZHOU Qunying 《Chinese Forestry Science and Technology》 2006年第4期82-86,共5页
Diethyl aminoethyl hexanoate AC is a new-style growth hormone that induces cuttings to root by molecule signal. With Eucalptus urophylla and E. urophyllaxE, grandis as testing varieties, effects of applying different ... Diethyl aminoethyl hexanoate AC is a new-style growth hormone that induces cuttings to root by molecule signal. With Eucalptus urophylla and E. urophyllaxE, grandis as testing varieties, effects of applying different growth hormones on eucalypt cuttage were compared through experiments, and the result showed that diethyl aminoethyl hexanoate AC made cuttings root 4 days earlier than other common growth hormones did. The average rooting rate and the mean root quantity of diethyl aminoethyl hexanoate AC treated cuttings were 11%-26.5% higher than and 1.8-8.5 pieces per cutting more than those in other treatments. Besides, the seedlings were excellent. The new-style growth hormone improves cuttage of eucalypt to a higher level. 展开更多
关键词 diethyl aminoethyl hexanoate AC EUCALYPT cuttage effect
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Cutting Propagation of Rhodoleia championii 被引量:1
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作者 吴际友 吴其军 +2 位作者 程勇 刘球 黄明军 《Agricultural Science & Technology》 CAS 2016年第7期1615-1617,1683,共4页
In order to discuss the cutting propagation effect of Rhodoleia championii, this study carried out a cutting propagation experiment with tender twigs as experi- mental materials. The results showed that selecting the ... In order to discuss the cutting propagation effect of Rhodoleia championii, this study carried out a cutting propagation experiment with tender twigs as experi- mental materials. The results showed that selecting the cuttings with 2-4 half leaves could significantly improve the rooting percentage of cuttings; the fungicide carben- dazim and rooting accelerant GGR6 at different concentrations significantJy affected the rooting percentage of cuttings; and different cutting media also significantly af- fected the rooting percentage of cuttings. 展开更多
关键词 Rhodoleia championii Tender twigs cuttage EXPERIMENT
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Transcriptome Analysis and Genes Function Verification of Root Development of Paeonia suffruticosa under Sandy Loam Cultivation
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作者 Yinglong Song Wenqian Shang +7 位作者 Zheng Wang Songlin He Xinya Meng Liyun Shi Yuxiao Shen Dan He Xueyuan Lou Yuke Sun 《Phyton-International Journal of Experimental Botany》 SCIE 2022年第12期2791-2812,共22页
Relatively poor in vitro rooting has limited the large-scale commercial production of tree peony.In this study,on the basis of transcriptome sequencing,differentially expressed genes and the associated metabolic pathw... Relatively poor in vitro rooting has limited the large-scale commercial production of tree peony.In this study,on the basis of transcriptome sequencing,differentially expressed genes and the associated metabolic pathways were identified in tree peony roots at different stages of root formation under sandy loam cultivation.A total of 31.63 Gb raw data were generated and 120,188 unigenes(mean length of 911.98 bp)were annotated according to six databases(NR,NT,GO,KEGG,COG,and Swiss-Prot).Analyses of the ungerminated root primordium period,induced root primordium period,and root formation period detected 8,232,6,907,and 10,687 differentially expressed genes related to 133,132,and 133 metabolic pathways,respectively.Two significantly differentially expressed genes(Unigene13430_All and CL10096.Contig1_All)were associated with the auxin pathway.The full-length Unigene13430_All coding sequence(843 bp)encoded 280 amino acids,whereas the full-length CL10096.Contig1_All coding sequence(1,470 bp)encoded 489 amino acids.Unigene13430_All and CL10096.Contig1_All were identified as IAA gene family members and were respectively named PsIAA27 and PsARF19.The qRT-PCR analysis and functional verification indicated that the expressions of PsARF19 and PsIAA27 in tree peony seedlings,cuttings and grafted seedlings were significant different.PsARF19 promoted root development,it might be a regulatory gene related to the formation of tree peony roots,while PsIAA27 inhibited lateral root development,and it might be involved in controlling auxin sensitivity during root formation.The results of this study may form the basis of future investigations on the mechanism mediating peony root formation.The transcriptome data will be an excellent resource for researchers interested in characterizing the rooting-related tree peony genes. 展开更多
关键词 Tree peony ROOTING RNA-seq cuttage GRAFT functional verification QRT-PCR
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