Effects of Acid Rain on Apple Tree Productivity and Fruit Quality

机译：酸雨对苹果树生产力和果实品质的影响

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Mature 'McIntosh', 'Empire', and 'Golden Delicious' apple trees (Malus domestica) were sprayed with simulated acid rain solutions in the pH range of 2.5 to 5.5 at full bloom in 1980 and 1981. In 1981, weekly sprays were applied at pH 2.75 and pH 3.25. Necrotic lesions developed on apple petals at pH 2.5 with slight injury appearing at pH 3.0 and 3.5. Apple foliage had no acid rain lesions at any of the pH levels tested. Pollen germination was reduced at pH 2.5 in 'Empire'. Slight fruit set reduction at pH 2.5 was observed in 'McIntosh'. Even at the lowest pH levels no detrimental effects of simulated acid rain were found on apple tree productivity and fruit quality when measured as fruit set, seed number per fruit, and fruit size and appearance.

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Forsline, P. L. ; Musselman, R. C. ; Kender, W. J. ; Dee, R. J.;
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年度 1983
页码 1-7
总页数 7
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Growth; Apple trees; Air pollution; Water pollution; Tests; pH; Vegetation; Injuries; Germination; Pollen; Reduction; Maturation; Spraying; Reprints;

机译：生长;苹果树;空气污染;水污染;测试; pH;植被;伤害;发芽;花粉;减少;成熟;喷洒;重印;

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Effects of Acid Rain on Apple Tree Productivity and Fruit Quality

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