Impact of repeated nitrogen dioxide exposures on composition and yield of potato foliage and tubers

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Abstract

Greenhouse-grown 'Kennebec' and 'Atlantic' potato (Solanum tuberosum L.) plants were exposed twice-weekly for 5 hours to 380 μg.m-3 (0.2 ppm) NO2 throughout their growing season. NO2 accelerated the rate of leaf abscission and reduced tuber number, weight, and dry matter percentage. NO2 was absorbed by exposed plants, as reflected by an increase in leaf total N content, but did not affect the total glycoalkaloid (tga) status of potato foliage or tubers.

Original languageEnglish (US)
Pages (from-to)481-484
Number of pages4
JournalJournal of the American Society for Horticultural Science
Volume109
Issue number4
StatePublished - Jan 1 1984

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Nitrogen Dioxide
nitrogen dioxide
Solanum tuberosum
tubers
potatoes
leaves
glycoalkaloids
leaf abscission
growing season
greenhouses
Weights and Measures

All Science Journal Classification (ASJC) codes

  • Genetics
  • Horticulture

Cite this

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abstract = "Greenhouse-grown 'Kennebec' and 'Atlantic' potato (Solanum tuberosum L.) plants were exposed twice-weekly for 5 hours to 380 μg.m-3 (0.2 ppm) NO2 throughout their growing season. NO2 accelerated the rate of leaf abscission and reduced tuber number, weight, and dry matter percentage. NO2 was absorbed by exposed plants, as reflected by an increase in leaf total N content, but did not affect the total glycoalkaloid (tga) status of potato foliage or tubers.",
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AB - Greenhouse-grown 'Kennebec' and 'Atlantic' potato (Solanum tuberosum L.) plants were exposed twice-weekly for 5 hours to 380 μg.m-3 (0.2 ppm) NO2 throughout their growing season. NO2 accelerated the rate of leaf abscission and reduced tuber number, weight, and dry matter percentage. NO2 was absorbed by exposed plants, as reflected by an increase in leaf total N content, but did not affect the total glycoalkaloid (tga) status of potato foliage or tubers.

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