Sensitivity of the proton and ion transport mechanisms of corn roots to injury
Material type:
ArticleLanguage: En Publication details: 1980Subject(s): DDC classification: - 80-567917
| Item type | Current library | Collection | Call number | Copy number | Status | Date due | Barcode | Item holds | |
|---|---|---|---|---|---|---|---|---|---|
| Article | CIMMYT Knowledge Center: John Woolston Library | AGRIS Collection | 80-567917 (Browse shelf(Opens below)) | 1 | Available | 80-567917 |
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21 ref.; Summary (En)
Cutting solution-grown corn (Zea mays L.) roots into segments causes a rapid reduction in K('+) (('86)RB) influx, ('36)Cl influx, and net H('+) efflux. The reduction in K('+) influx is a function of segment length; other injuries, such as a brief exposure to ice temperatures or low pH, will also reduce K('+) influx. Washing the segments in dilute, aerated CaCl(,2) solutions produces recovery of the fluxes. In contrast, cutting does not reduce phosphate (('32)P) influx, although after a lag period there is a small enhancement of influx of the type previously reported. Estimations of actual H('+) efflux (net H('+) efflux plus anion influx) show that H('+) efflux
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