Acid rain and seed yield reductions in corn
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ArticleLanguage: En Publication details: 1989ISSN: - 0047-2425
- Agronomic characters AGROVOC
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- 89-113342
| Item type | Current library | Collection | Call number | Copy number | Status | Date due | Barcode | Item holds | |
|---|---|---|---|---|---|---|---|---|---|
| Article | CIMMYT Knowledge Center: John Woolston Library | AGRIS Collection | 89-113342 (Browse shelf(Opens below)) | 1 | Available | 89-113342 |
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Seed yields were significantly reduced on corn (Zea mays L.) plants where the silks had been exposed to an episode of simulated acid rain at pH 3.6 as compared with yields on plants with silks exposed to simulated rain of pH 5.6. The reduction in yield appeared related to a decrease in pollen germination and tube elongation associated with acidic conditions and limited quantities of pollen available for pollination. Germination and tube elongation of pollen were inhibited when grown on an agar medium acidified to pH 4.6 with simulated rain. Germination of pollen grains was reduced as much as 75% on silks previously exposed to a simulated rain of pH 3.6 as
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