Monitoring the effects of atmospheric ethylene near polyethylene manufacturing plants with two sensitive plant species

Tonneijck, A.E.G.; Berge, W.F. ten; Jansen, B. P.

doi:10.1016/s0269-7491(02)00378-0

Cited by 6 publications

(8 citation statements)

References 11 publications

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“…Several endophytic and pathogenic microorganisms have been shown to produce ethene or to modify ethene‐signaling pathways (Abeles et al ., 1992). High concentrations of ethene have deleterious effects on plants – this can result from localized ethene production, such as around roots in waterlogged soils (McCully, 2001), or from atmospheric pollution from nearby plastics manufacturing (Tonneijck et al ., 2003).…”

Section: Introductionmentioning

confidence: 99%

Aerobic biodegradation of the chloroethenes: pathways, enzymes, ecology, and evolution

2010

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Extensive use and inadequate disposal of chloroethenes have led to prevalent groundwater contamination worldwide. The occurrence of the lesser chlorinated ethenes [i.e. vinyl chloride (VC) and cis-1,2-dichloroethene (cDCE)] in groundwater is primarily a consequence of incomplete anaerobic reductive dechlorination of the more highly chlorinated ethenes (tetrachloroethene and trichloroethene). VC and cDCE are toxic and VC is a known human carcinogen. Therefore, their presence in groundwater is undesirable. In situ cleanup of VC- and cDCE-contaminated groundwater via oxidation by aerobic microorganisms is an attractive and potentially cost-effective alternative to physical and chemical approaches. Of particular interest are aerobic bacteria that use VC or cDCE as growth substrates (known as the VC- and cDCE-assimilating bacteria). Bacteria that grow on VC are readily isolated from contaminated and uncontaminated environments, suggesting that they are widespread and influential in aerobic natural attenuation of VC. In contrast, only one cDCE-assimilating strain has been isolated, suggesting that their environmental occurrence is rare. In this review, we will summarize the current knowledge of the physiology, biodegradation pathways, genetics, ecology, and evolution of VC- and cDCE-assimilating bacteria. Techniques (e.g. PCR, proteomics, and compound-specific isotope analysis) that aim to determine the presence, numbers, and activity of these bacteria in the environment will also be discussed.

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Section: Introductionmentioning

confidence: 99%

Aerobic biodegradation of the chloroethenes: pathways, enzymes, ecology, and evolution

2010

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“…In the above experiments, the levels of ethylene varied markedly and frequently (Tonneijck et al, 2000, 2003). To achieve a more predictable exposure at levels well above those predicted to cause damage based on dose–response curves with tender plants, an experiment was conducted using 18 open top chambers (OTC) partially enclosing sections of rows of potatoes growing in a field without ambient ethylene pollution (Dueck et al, 2003).…”

Section: Studies Employing Natural Conditionsmentioning

confidence: 96%

“…To broaden their study, for 7 yr Tonneijck et al (2003) placed potted petunias ( Petunia nyctaginiflora Jugg. cv.…”

Section: Studies Employing Natural Conditionsmentioning

confidence: 99%

“…For 2 yr pots were located on a grid extending from the center of the five ethylene‐emitting industrial facilities further on downwind toward the ethylene monitoring station used in the potato experiment (Tonneijck et al, 2000). For those 2 yr, data for ambient ethylene concentrations were shared for the two experiments (Tonneijck et al, 2000, 2003). Damage to flowers and plants of petunias and marigolds did not occur at any time at the monitoring station (1000 m downwind), and it diminished markedly from the center of the release site until disappearing at 460 m downwind for petunia and at 400 m downwind for marigold.…”

Section: Studies Employing Natural Conditionsmentioning

confidence: 99%

“…Damage to flowers and plants of petunias and marigolds did not occur at any time at the monitoring station (1000 m downwind), and it diminished markedly from the center of the release site until disappearing at 460 m downwind for petunia and at 400 m downwind for marigold. (Tonneijck et al, 2003). Plants exposed near the monitoring station had more flowers than the unexposed control while their growth was normal.…”

Section: Studies Employing Natural Conditionsmentioning

confidence: 99%

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Another Look at Interpreting Research to Manage the Effects of Ethylene in Ambient Air

Morgan

2011

Crop Science

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Ethylene is a plant hormone that regulates many aspects of plant growth and development. The gas also occurs in the atmosphere from both natural and artificial sources. Sufficient concentrations of ethylene in air can cause damage by adverse effects on flower senescence, abscission, fruit ripening, and other processes. Recent discoveries regarding ethylene receptors and signal transduction now provide a firm basis to understand the dynamics of ethylene effects. Receptor proteins act as negative regulators of ethylene signaling so that the concentration of both ethylene and receptor proteins influence the plant response. Studies with carefully controlled levels of ethylene and environmental conditions have shown that plants grown outdoors are less sensitive to ethylene than those grown and exposed under artificial conditions. Additionally, intermittent exposures, common in many circumstances, allow time for ethylene to diffuse away from receptors. During flower senescence and fruit ripening, synthesis of ethylene often accelerates, reducing the effectiveness of environmental ethylene on plant behavior. Workers interested in promoting crop yields and extending the life of flowers, plants, and vegetative produce can be most effective if they evaluate species characteristics, the nature of the environment, and the sources of ethylene for their location. A universal air quality standard for ethylene is not advisable.

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The Dendrobium Orchid: Botany, horticulture, and utilization

Ketsa

Warrington

2023

Crop Science

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Dendrobium, one of the largest genera of tropical orchids, is grown commercially on a large scale with an important economic impact in several ASEAN countries.Dendrobium orchids can be grown in a wide range of climates, but flower production is best under tropical conditions. Due to being the most popular orchid for cut flower production, many hybrids of Dendrobium have been produced with colorful and attractive blooms. Cut flowers of Dendrobium are popular worldwide. In addition, many Dendrobium cultivars can be grown as flowering potted plants and for other purposes such as in medicinal applications and for use in decorative products. Postharvest physiology and technology are important in maintaining the quality of both cut flowers and potted plants from production sites to the marketplace. Plants of the Dendrobium genus also contain a wide diversity of bioactive compounds that can be developed into medicinal and cosmetic products. This review describes the botany, cultivation, postharvest physiology, handling and utilization of Dendrobium.

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Monitoring the effects of atmospheric ethylene near polyethylene manufacturing plants with two sensitive plant species

Cited by 6 publications

References 11 publications

Aerobic biodegradation of the chloroethenes: pathways, enzymes, ecology, and evolution

Aerobic biodegradation of the chloroethenes: pathways, enzymes, ecology, and evolution

Another Look at Interpreting Research to Manage the Effects of Ethylene in Ambient Air

The Dendrobium Orchid: Botany, horticulture, and utilization

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