Optimization of media formulation for axillary shoot multiplication of the red-peeled sweet potato (Ipomoea batatas [L.] Lam.) ‘Abees’

ABSTRACT Sweet potato (Ipomoea batatas [L.] Lam.) is an important food crop that is cultivated and consumed worldwide, and its nutritional value makes it especially important in developing countries. However, sweet potato plants produced using conventional vegetative propagation can be prone to seve...

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Autores principales: Dewir,Yaser Hassan, Aldubai,Abdulhakim A., Kher,Mafatlal M., Alsadon,Abdullah A., El-Hendawy,Salah, Al-Suhaibani,Nasser A.
Lenguaje:English
Publicado: Instituto de Investigaciones Agropecuarias, INIA 2020
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spelling oai:scielo:S0718-583920200001000032020-02-25Optimization of media formulation for axillary shoot multiplication of the red-peeled sweet potato (Ipomoea batatas [L.] Lam.) ‘Abees’Dewir,Yaser HassanAldubai,Abdulhakim A.Kher,Mafatlal M.Alsadon,Abdullah A.El-Hendawy,SalahAl-Suhaibani,Nasser A. Convolvulaceae culture duration micropropagation oxalic acid phenylacetic acid silver nitrate. ABSTRACT Sweet potato (Ipomoea batatas [L.] Lam.) is an important food crop that is cultivated and consumed worldwide, and its nutritional value makes it especially important in developing countries. However, sweet potato plants produced using conventional vegetative propagation can be prone to several diseases, thereby hindering crop yield. Therefore, micropropagation techniques are useful for producing higher quality plant material. The aim of the present study was to determine the optimal medium formulation for the axillary shoot multiplication of single-node ‘Abees’ explants. The influences of cytokinins (6-benzyladenine [BA], kinetin, thidiazuron, and zeatin), gibberellic acid, phenylacetic acid, indole-3-butyric acid, silver nitrate, and oxalic acid, culture duration, and medium salt strength were investigated. Optimal proliferation was observed when shoots were cultured on half-strength MS medium that was supplemented with 2 mg L-1 BA and 100 mg L-1 oxalic acid for 2 wk, followed by culture on half-strength MS medium without plant growth regulators for 4 wk. In this medium, the greatest number of shoots (3.1) and total number of nodes (16.1) per explant were observed. All (100%) of the regenerated shoots were rooted and acclimatized, with a survival rate of 96% when transferred to ex vitro conditions and no morphological abnormalities.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.80 n.1 20202020-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392020000100003en10.4067/S0718-58392020000100003
institution Scielo Chile
collection Scielo Chile
language English
topic Convolvulaceae
culture duration
micropropagation
oxalic acid
phenylacetic acid
silver nitrate.
spellingShingle Convolvulaceae
culture duration
micropropagation
oxalic acid
phenylacetic acid
silver nitrate.
Dewir,Yaser Hassan
Aldubai,Abdulhakim A.
Kher,Mafatlal M.
Alsadon,Abdullah A.
El-Hendawy,Salah
Al-Suhaibani,Nasser A.
Optimization of media formulation for axillary shoot multiplication of the red-peeled sweet potato (Ipomoea batatas [L.] Lam.) ‘Abees’
description ABSTRACT Sweet potato (Ipomoea batatas [L.] Lam.) is an important food crop that is cultivated and consumed worldwide, and its nutritional value makes it especially important in developing countries. However, sweet potato plants produced using conventional vegetative propagation can be prone to several diseases, thereby hindering crop yield. Therefore, micropropagation techniques are useful for producing higher quality plant material. The aim of the present study was to determine the optimal medium formulation for the axillary shoot multiplication of single-node ‘Abees’ explants. The influences of cytokinins (6-benzyladenine [BA], kinetin, thidiazuron, and zeatin), gibberellic acid, phenylacetic acid, indole-3-butyric acid, silver nitrate, and oxalic acid, culture duration, and medium salt strength were investigated. Optimal proliferation was observed when shoots were cultured on half-strength MS medium that was supplemented with 2 mg L-1 BA and 100 mg L-1 oxalic acid for 2 wk, followed by culture on half-strength MS medium without plant growth regulators for 4 wk. In this medium, the greatest number of shoots (3.1) and total number of nodes (16.1) per explant were observed. All (100%) of the regenerated shoots were rooted and acclimatized, with a survival rate of 96% when transferred to ex vitro conditions and no morphological abnormalities.
author Dewir,Yaser Hassan
Aldubai,Abdulhakim A.
Kher,Mafatlal M.
Alsadon,Abdullah A.
El-Hendawy,Salah
Al-Suhaibani,Nasser A.
author_facet Dewir,Yaser Hassan
Aldubai,Abdulhakim A.
Kher,Mafatlal M.
Alsadon,Abdullah A.
El-Hendawy,Salah
Al-Suhaibani,Nasser A.
author_sort Dewir,Yaser Hassan
title Optimization of media formulation for axillary shoot multiplication of the red-peeled sweet potato (Ipomoea batatas [L.] Lam.) ‘Abees’
title_short Optimization of media formulation for axillary shoot multiplication of the red-peeled sweet potato (Ipomoea batatas [L.] Lam.) ‘Abees’
title_full Optimization of media formulation for axillary shoot multiplication of the red-peeled sweet potato (Ipomoea batatas [L.] Lam.) ‘Abees’
title_fullStr Optimization of media formulation for axillary shoot multiplication of the red-peeled sweet potato (Ipomoea batatas [L.] Lam.) ‘Abees’
title_full_unstemmed Optimization of media formulation for axillary shoot multiplication of the red-peeled sweet potato (Ipomoea batatas [L.] Lam.) ‘Abees’
title_sort optimization of media formulation for axillary shoot multiplication of the red-peeled sweet potato (ipomoea batatas [l.] lam.) ‘abees’
publisher Instituto de Investigaciones Agropecuarias, INIA
publishDate 2020
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392020000100003
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