Citation
De Waard, P.W.F. and Sutton, C.D.
(1960)
Toxicity of aluminium to black pepper (piper nigrum L.) in Sarawak.
Nature, 188 (4756).
pp. 1129-1130.
ISSN 0028-0836; eISSN: 0028-0836
Abstract
SYMPTOMS of an unknown disorder have been increasingly observed on pepper vines since 1956 ; no pathogen seemed to be involved. Affected vines show an overall bright green to yellow colour and their leaves a pronounced droop. Individual leaves first show symptoms of a speckled necrosis mostly along the main veins, each brown spot having a surrounding yellow halo. Afterwards the necrotic areas spread and become more serious so that finally the leaves fall. These vines have a greatly reduced root system, which dies off centripetally. Different stages of the leaf symptoms are shown in Fig. 1.
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Additional Metadata
| Item Type: | Article |
|---|---|
| Divisions: | UPM Kampus Bintulu |
| DOI Number: | https://doi.org/10.1038/1881129a0 |
| Publisher: | Nature Publishing Group |
| Keywords: | Toxicity; Aluminium; Black pepper; Piper nigrum L; Sarawak; Disorder; Yellowing; Necrosis; Leaf symptoms; Root die-back; Centripetal die-back; Pepper vines; Symptoms; Pathology; Etiology; Nutrient deficiency; Field observations; Root morphology; Electron microscopy; Electron probe microanalysis; Spectrophotometry; Soil analysis; Plant analysis; Chemical composition; Trace elements; Macroelements; Toxic compounds; Aluminium; Manganese; Iron; Potassium; Magnesium; Calcium. |
| Depositing User: | Mohamad Jefri Mohamed Fauzi |
| Date Deposited: | 14 Feb 2025 06:53 |
| Last Modified: | 14 Feb 2025 06:53 |
| Altmetrics: | http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1038/1881129a0 |
| URI: | http://psasir.upm.edu.my/id/eprint/115007 |
| Statistic Details: | View Download Statistic |
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