Promotion of growth and shift in the auxin dose/response relationship in maize roots treated with the ethylene biosynthesis inhibitors aminoethoxyvinylglycine and cobalt
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ArticleLanguage: En Publication details: 1982Subject(s): DDC classification: - 82-831601
| Item type | Current library | Collection | Call number | Copy number | Status | Date due | Barcode | Item holds | |
|---|---|---|---|---|---|---|---|---|---|
| Article | CIMMYT Knowledge Center: John Woolston Library | AGRIS Collection | 82-831601 (Browse shelf(Opens below)) | 1 | Available | 82-831601 |
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13 ref.; Summary (En)
Indole-3-acetic acid (IAA) in concentrations from 10('-12) M to 10('-9) M does not stimulate elongation when applied to intact roots of maize (Zea mays L Bear Hybrid WF 9 X 38). Higher concentrations are inhibitory. In roots pretreated with the ethylene biosynthesis inhibitors, colbalt and aminoethoxyvinylglycine (AVG), IAA from 10('-10) M to 10('-8) M promotes growth. High concentrations of IAA (eg. 10('-6) M) strongly inhibit growth in either pretreated or non-pretreated roots. The data indicate that low concentrations of auxin are capable of stimulating the growth of intact roots in which ethylene biosynthesis is suppressed. This suggests that
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