Responses of Cucumber, Onion and Potato Cultivars to Ozone

Ormrod, D. P.; Adedipe, N. O.; Hofstra, G.

doi:10.4141/cjps71-056

Cited by 19 publications

(5 citation statements)

References 6 publications

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“…Cultivars of tnany plant species, including soybeatis, exhibit a range in the amount of foliar chlorosis and necrosis resulting from an exposure to ozone (Brennan et al 1964, Tingey et al 1972, Howell et al 1971, Ormrod et al 1971, Menser and Hodges 1970. This differential foliar sensitivity has been attributed to a variety of processes.…”

Section: Introductionmentioning

confidence: 99%

Differential Foliar Sensitivity of Soybean Cultivars to Ozone Associated with Differential Enzyme Activities

Tingey

Fites

Wickliff

1976

Physiologia Plantarum

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Soybean [Glycine max (L.) Merr.] cultivars Dare and Hood were exposed to ozone (980 μg/m3) for 2 h to determine if differences in cultivar sensitivity were associated with differential activation of selected enzymes. The first trifoliate leaves of the cultivars were in similar stages of development (14 days from sowing) when exposed. The ozone treatment increased the activities of glucose 6‐phosphate dehydrogenase, phenylalanine ammonia lyase, polyphenol oxidase and peroxidase above the control in both cultivars within 30 h after exposure. However, the activity of all these enzymes increased several hours sooner in Dare (sensitive) than in Hood (tolerant). Our data suggest that the differential sensitivity of these two cultivars to ozone could be based on the differential ozone induced activation of the enzymes involved in the lesion formation process.

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Section: Introductionmentioning

confidence: 99%

Differential Foliar Sensitivity of Soybean Cultivars to Ozone Associated with Differential Enzyme Activities

Tingey

Fites

Wickliff

1976

Physiologia Plantarum

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“…Species and cultivar differences in ozone sensitivity have been well documented and are now often considered when evaluating the horticultural worth of plant materials (10). Differences in cultivar tolerance to ozone injury have been noted in alfalfa (11), eastern white pine (12), other coniferous species (13), beans (14, 15), sweet corn (16)(17)(18), cucumber (19), eggplant (20), grape (21), onion (22), pea (23), petunia (24), safflower (25), soybean (26), spinach (27), tobacco (28)(29)(30), tomato (31)(32)(33), turf grasses, especially Poa Pratensis L. (34), woody ornamentals (35), and forest tree species (36). This…”

mentioning

confidence: 99%

Bioassaying for ozone with pollen systems.

Feder¹

1981

Environ Health Perspect

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Sensitivity to ozone of pollen germinating in vitro is closely correlated with ozone sensitivity of the pollen parent. Ozone-sensitive and tolerant pollen populations have been identified in tobacco, petunia, and tomato cultivars. The rate of tube elongation can be reversibly slowed or stopped by exposure to low concentrations of ozone. Tube growth rates in the presence of a range of ozone dosages, of pollen populations exhibiting differing ozone sensitivity can be measured and different growth rates can be correlated with ozone dosages. The performance of selected pollen populations can then be used to bioassay ozone in ambient air by introducing the air sample into a growth chamber where ozone-sensitive pollen in growing. Petunia and tobacco pollen are especially useful because they store well at ordinary freezer temperatures and do not require special preparation prior to storage. Modified Brewbacker's growth medium is suitable for growth of both these pollen types. Four useful cultivars are Bel W-3, ozone-sensitive and Bel B, ozone-tolerant tobacco, and White Bountiful, ozone-sensitive and Blue Lagoon, ozone-tolerant petunia. Observations can be made directly by using a TV scanner, or by time lapse or interval photography. Year-round pollen production can be achieved in the greenhouse. Harvested pollen can be tested, packaged, and transported to user facilities without loss of vigor. Pollen populations are inexpensive to produce, respond reliably, and are simple to use as a bioassay for air quality.ImagesFIGURE 2.FIGURE 3.FIGURE 4.

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“…Differences in cultivar tolerance to ozone injury have been noted in alfalfa (11), eastern white pine (12), other coniferous species (13), beans (14,15), sweet corn (16)(17)(18), cucumber (19), eggplant (20), grape (21), onion (22), pea (23), petunia (24), safflower (25), soybean (26), spinach (27), tobacco (28)(29)(30), tomato (31)(32)(33), turf grasses, especially Poa Pratensis L. (34), woody ornamentals (35), and forest tree species (36). This January 1981 is only a partial list of those plant species showing differences in cultivar sensitivity to ozone, but it is broad enough to demonstrate that the condition is widespread.…”

mentioning

confidence: 99%

Bioassaying for Ozone with Pollen Systems

Feder¹

1981

Environmental Health Perspectives

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Sensitivity to ozone of pollen germinating in vitro is closely correlated with ozone sensitivity of the pollen parent. Ozone In a previous paper (1) this author alluded to the fact that pollen populations differed in ozone sensitivity and that these differences were closely related to the ozone sensitivity of the pollen parent (source) (2, 3). S02 (4,5) and fluorides (6-9) also cause a reduction in germination and tube elongation indicating that pollen behavior in vitro can be modified or influenced by several gases generally considered to be environmental pollutants.Species and cultivar differences in ozone sensitivity have been well documented and are now often considered when evaluating the horticultural worth of plant materials (10). Differences in cultivar tolerance to ozone injury have been noted in alfalfa (11), eastern white pine (12), other coniferous species (13), beans (14, 15) is only a partial list of those plant species showing differences in cultivar sensitivity to ozone, but it is broad enough to demonstrate that the condition is widespread. It also suggests the possibility of using this diversity as expressed through the pollen populations, to devise a system for measuring air quality by observing pollen performance in vitro. This paper attempts to illustrate how that might to done for the gaseous photochemical pollutant ozone(O3).

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Responses of Cucumber, Onion and Potato Cultivars to Ozone

Cited by 19 publications

References 6 publications

Differential Foliar Sensitivity of Soybean Cultivars to Ozone Associated with Differential Enzyme Activities

Differential Foliar Sensitivity of Soybean Cultivars to Ozone Associated with Differential Enzyme Activities

Bioassaying for ozone with pollen systems.

Bioassaying for Ozone with Pollen Systems

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