Sensitivity of Eleven Milkweed (Asclepias) Species to Ozone

Research output: Contribution to journalArticle

Abstract

We exposed 11 milkweed species to ozone within continuous stirred-tank reactor (CSTR) chambers in a greenhouse to determine species sensitivity and potential use as bioindicators to detect phytotoxic levels of ambient ozone. Asclepias syriaca (Common Milkweed), A. ovalifolia (Oval-leaf Milkweed), A. sullivantii (Prairie Milkweed), A. speciosa (Showy Milkweed), A. asperula (Spider Milkweed), A. incarnata (Swamp Milkweed), A exaltata (Tall Milkweed), and A. curassavica (Tropical Milkweed) developed typical ozone-induced dark stipple on the adaxial surface of older leaves. Tropical Milkweed also exhibited significant premature defoliation (accelerated leaf senescence). Asclepias tuberosa (Butterfly Milkweed), A. hirtella (Green Milkweed), and A. verticillata (Whorled Milkweed) were tolerant to ozone. Foliar stipple on Common Milkweed increased with ozone concentration and time. In addition to Common Milkweed, a bioindicator commonly used to detect phytotoxic levels of ozone, the other 7 ozone-sensitive milkweed species should be evaluated further as potential ozone bioindicators.

Original languageEnglish (US)
Pages (from-to)265-276
Number of pages12
JournalNortheastern Naturalist
Volume25
Issue number2
DOIs
StatePublished - May 1 2018

Fingerprint

Asclepias
Apocynaceae
ozone
Asclepias syriaca
Asclepias verticillata
bioindicator
Asclepias tuberosa
Danainae
defoliation
senescence
leaves
swamp
butterfly
spider
prairie
prairies
Araneae

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics

Cite this

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abstract = "We exposed 11 milkweed species to ozone within continuous stirred-tank reactor (CSTR) chambers in a greenhouse to determine species sensitivity and potential use as bioindicators to detect phytotoxic levels of ambient ozone. Asclepias syriaca (Common Milkweed), A. ovalifolia (Oval-leaf Milkweed), A. sullivantii (Prairie Milkweed), A. speciosa (Showy Milkweed), A. asperula (Spider Milkweed), A. incarnata (Swamp Milkweed), A exaltata (Tall Milkweed), and A. curassavica (Tropical Milkweed) developed typical ozone-induced dark stipple on the adaxial surface of older leaves. Tropical Milkweed also exhibited significant premature defoliation (accelerated leaf senescence). Asclepias tuberosa (Butterfly Milkweed), A. hirtella (Green Milkweed), and A. verticillata (Whorled Milkweed) were tolerant to ozone. Foliar stipple on Common Milkweed increased with ozone concentration and time. In addition to Common Milkweed, a bioindicator commonly used to detect phytotoxic levels of ozone, the other 7 ozone-sensitive milkweed species should be evaluated further as potential ozone bioindicators.",
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Sensitivity of Eleven Milkweed (Asclepias) Species to Ozone. / Myers, Abigail C.; Decoteau, Dennis R.; Marini, Richard P.; Davis, Donald Durwood.

In: Northeastern Naturalist, Vol. 25, No. 2, 01.05.2018, p. 265-276.

Research output: Contribution to journalArticle

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