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Rooting of Stem Cuttings of <i>Jatropha platyphylla</i>(Euphorbiaceae) in the Obtaining of axillary buds for Grafting

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American Journal of Plant Sciences 2021年第12期12卷 1880-1893页

作者： Edith Salazar-Villa Miguel Angel Angulo-Escalante Jesús Diego Castro-Valenzuela Karla Marina Báez-Parra Lluvia de Abril Alexandra Soriano-Melgar Federico Soto-Landeros Centro de Investigación en Alimentación y Desarrollo A.C. Culiacán México Universidad Autónoma de Occidente Guasave México Facultad de Ciencias Químico Biológicas Universidad Autónoma de Sinaloa Culiacán México Centro de Investigación en Química Aplicada Saltillo México Instituto Tecnológico Superior de Guasave Guasave México

Jatropha platyphylla is considered as a potential source of edible protein, oil, and phenolic compounds with anti-inflammatory activity. The use of stem cutting in vegetative propagation and grafting is as indispensable tools for mass multiplication of superior genotypes and helps in improve planting yield and quality. The study was aimed to investigate the effect of different diameters (10 - 15, 16 - 25 and 26 - 35 mm) and different hormone concentrations of indo-butyric acid (0, 1.5, 3, 6 and 10 g/L), in the rooting of Jatropha platyphylla and to obtain axillary buds to performed grafts. Rooting efficiency was 80% in greenhouse conditions. Hormone concentration and diameter significantly affected the rooting and shooting ability of Jatropha platyphylla stem cuttings. Stem cuttings of 26 - 35 mm have the greatest number, length and dry root weight. 76% survival of the grafted plants was obtained. This demonstrates the necessity to improve the conventional propagation methods with appropriate scientific inputs for more economical and time efficient techniques for standard propagation protocols.

关键词： axillary buds Graft Stem Cutting Plant Breeding Varietal Selection

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Regeneration of Blue Honeysuckle via Dormant axillary buds

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Journal of Northeast Agricultural University(English Edition) 2008年第2期15卷 9-11页

作者： QU Guiqin HUANG Longshuang HUO Junwei College of Food Science and Nutritional Engineering China Agricultural University Beijing 100083 China Horticulture College Northeast Agricultural University Harbin 150030 China

The optimum medium for dormant axillary buds culture of blue honeysuckle was screened according to the growth rate and elongation rate by inoculating the buds on culture medium with various 6-BA and iron-salt concentration. About 35 days, the stretched stem buds were divided into strong root system after inoculated on 1/2 MS＋1.0 mg·L^-1 IBA rooting medium. Amount of qualified tissue-cultured young plants could be obtained by the stretched stem buds reproduction.

关键词： blue honeysuckle tissue culture axillary buds

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In Vitro Propagation, Isolation and Expression Studies of Suaeda edulis Genes Involved in the Osmoprotectants Biosynthesis

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Phyton-International Journal of Experimental Botany 2020年第3期89卷 715-726页

作者： Gloria Viviana Cerrillo-Rojas Mariana Tiscareno-Andrade Ana Erika Ochoa-Alfaro Eugenio Perez-Molphe Balch Ruth Elena Soria-Guerra Jose Francisco Morales-Dominguez Departamento de Quimica Universidad Autonoma de AguascalientesCentro de Ciencias BasicasCiudad UniversitariaAguascalientes20131Mexico Facultad de Quimica Universidad Autonoma de San Luis PotosiZona UniversitariaSan Luis Potosi78210Mexico

Halophytes are an excellent choice for the study of genes conferring salt tolerance to salt-sensitive plants and,they are suitable for reclamation and remediation of saline *** develop an in vitro plant propagation protocol and studies of genes involved with GB and Pro biosynthesis in Suaeda *** buds were used as explants and cultured in different treatments on Murashige and Skoog(MS)medium supplemented with different concentrations and combinations of plant growth *** highest number of multiple shoots was on MS medium containing 1 mg/L Benzyladenine(BA)and/or 2 g/L activated carbon with 5.5±06 shoots per *** identification and expression analysis of genes involved in glycine betaine(GB)biosynthesis were S-adenosyl-methionine synthetase(SAMS),choline monooxygenase(CMO)and betaine alde-hyde dehydrogenase(BADH),and for proline(Pro)was pyrroline 5-carboxylate synthetase(P5CS).These sequences shared 90–95%of identity with others plant homologous in public *** amino acids sequence analysis showed that all these peptides contain some of the conserved motifs of those kinds of *** qRT-PCR analysis revealed a higher expression of SeBADH,SeCMO,and,SeP5CS genes in the roots and leaves from plants collected in the field in contrast with from in vitro ***,the expression level of SeSAMS was higher only in the leaves of plants collected in the field when com-pared to those cultivated in vitro.

关键词： axillary buds halophyte proline glycine betaine salt-resistant

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Changes of microstructure in shoot clumps induction with immature switchgrass inflorescence

Changes of microstructure in shoot clumps induction with imm...

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第十四届全国植物基因组学大会

作者： Yongfeng Wang Kaijie Xu Yajun Xi College of Agronomy Northwest A&F University

Supplied with shoot clumps induction medium(SCIM),immature inflorescence (together with adjacent node) of switchgrass could develop into multiple *** this phenomenon,we did some microstructure analysis,and finally got... 详细信息

关键词： switchgrass axillary buds adventitious bud immature flower

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