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| Effect of mustard bolting induced with gibberellin and abscisic acid |
| TANG Qing-lin, HU Yao, SONG Ming |
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Abstract The seeds of ‘Chongqingerca’ and ‘Zifeng No.1’ were treated for 20 days at 4℃ to complete their vernalization process, then different concentrations of gibberellin (300, 400, 500 and 600 mg•L-1) were sprayed on their apical meristem after the two pairs of euphylla were fully expanded in every four days until they were bolting. The results showed that the best concentration was 500 mg•L-1 GA3.If using abscisic acid of 50 mg•L-1 one day before treating with giberellin, the sensitivity of mustard plants to giberellin were enhanced and the best concentration of promoting the bolting of mustard was reduced to 400 mg•L-1, but it was more significant in ‘Chongqingercai’ than in ‘Zifeng No.1’ while using abscisic acid to enhance the sensitivity of plant to gibberellin.
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Received: 08 April 2008
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