Stimulation of Rice (Oryza sativa L.) Seedling Vigour by Smoke-water and Butenolide |
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| Authors: | M G Kulkarni S G Sparg M E Light J van Staden |
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| Institution: | Authors' address: Dr M. G. Kulkarni, Dr S. G. Sparg, Miss M. E. Light and Prof. J. van Staden (corresponding author;e-mail: ), Research Centre for Plant Growth and Development, School of Biological and Conservation Sciences, University of KwaZulu-Natal Pietermaritzburg, Private Bag X01, Scottsville 3209, South Africa |
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| Abstract: | The newly identified smoke‐compound butenolide (3‐methyl‐2H‐furo2,3‐c]pyran‐2‐one) can improve seedling vigour. This study highlights the effects of smoke‐water and butenolide on shoot and root elongation of a local rice variety. Smoke‐water (1 : 500) and butenolide (10?8 m ) treatments significantly increased shoot length. A low concentration of butenolide (10?10 m ) promoted maximum root length and seedling weight, which were significantly different from the control. Butenolide‐treated (10?8 m ) seedlings had a significantly greater number of lateral roots than untreated seedlings. The vigour index of smoke‐water (1 : 500) and butenolide‐treated (10?8 m ) rice seeds was significantly higher than that of untreated seeds. These findings suggest the possible use of butenolide for promoting vigorous seedlings in rice. |
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| Keywords: | butenolide Oryza sativa L seedling vigour smoke smoke-water |
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