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1 April 2007 In Vitro Culture of Croftonweed (Ageratina Adenophora): Considerable Potential for Fast and Convenient Plantlet Production
Jinbo Shen, Xia Li, Dandan Wang, Hongfei Lu
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Abstract

A callus induction and plantlet regeneration system for croftonweed was developed by studying the influence of explant type (leaf, stem, and nodal segment) and different concentrations of plant growth regulators. The leaf was a better explant for callogenesis compared to the stem. The highest callus induction frequency (87.2%) was obtained from leaf segments on Murashige and Skoog's medium (MS medium) supplemented with 0.5 mg/L (2,4-dichlorophenoxy)acetic acid and 2.0 mg/L 6-benzylaminopurine (BA), and 71.6% differentiation along with a multiplication rate of 4.1 adventitious shoots per callus was achieved with a combination of 0.5 mg/L 1-naphthaleneacetic acid (NAA) and 1.0 mg/L BA. In addition, MS medium supplemented with 0.5 mg/L NAA and 1.0 mg/L BA was the best medium for axillary shoot regeneration from nodal segments. Rhizogenesis of cultured shoots was satisfactorily obtained in half-strength MS without any growth regulators. The regenerated rooted plantlets were successfully acclimatized in soil where they grew normally without showing any morphological variation. These studies provide the prerequisite system for the development of genetic engineering in the future and propagating croftonweed rapidly for further study.

Nomenclature: Croftonweed; Ageratina adenophora (Spreng.) King & H. E. Robins. EUPAD.

Jinbo Shen, Xia Li, Dandan Wang, and Hongfei Lu "In Vitro Culture of Croftonweed (Ageratina Adenophora): Considerable Potential for Fast and Convenient Plantlet Production," Weed Technology 21(2), 445-452, (1 April 2007). https://doi.org/10.1614/WT-06-141.1
Received: 15 August 2006; Accepted: 1 November 2006; Published: 1 April 2007
KEYWORDS
Calli formation
micropropagation
Plant regeneration
tissue culture technology
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