1994 Fiscal Year Final Research Report Summary
Effects of (S) - (+) -abscisic acid on the growth and carbohydrate accumulation in stored organ of radish
| Project/Area Number |
05806003
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| Research Category |
Grant-in-Aid for General Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Research Field |
園芸・造園学
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| Research Institution | Faculty of Agriculture, Yamagata University |
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Principal Investigator |
NISHIZAWA Takashi Fac.of Agric., Dept.of Bioproduction, Associate prof., 農学部, 助教授 (10208176)
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| Project Period (FY) |
1993 – 1994
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| Keywords | Raphanus sativus / Abscisic acid / Bolting / Carbohydrate / Growth |
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| Research Abstract |
Effects of (S) - (+) -abscisic acid (S-ABA) on the growth and carbohydrate accumulation in root of radish were examined.
When imbibed seeds were soaked in S-ABA solutions of lower then 50 ppm, stored at 5C for 2 weeks and then sown in pots, the successive bolting was inhibited. Moreover, treatment with S-ABA solution of higher than 100 ppm inhibited the germination.
When cotyledons of radish were treated with S-ABA solutions of 1 to 100 ppm, fresh weight of the root decreased at higher treatment. At the same time, the treatment increased the elongating growth but decreased thickening growth. As the result, T/E ratio in S-ABA treatment of 100 ppm (0.8) became higher than that in control (0.6). Moreover, soluble carbohydrate levels in root were not affected by S-ABA treatments.
S-ABA is a natural plant hormone. Therefore, it is expected that S-ABA treatment on radish may be harmless for human body. Moreover, it may be useful a damage of the quality.
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