Automated System for Measuring Respiration

Lougheed, E. C.; Franklin, E. W.

doi:10.4141/cjps68-087

Cited by 9 publications

(8 citation statements)

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“…A paramagnetic 02 analyser has been used to measure 02 uptake by Young and Biale (10,11) with the assay done under 10% CO2 conditions in various kinds of fruit. Lougheed and Franklin (8) report on the use of a infrared CO2 analyser for the measurement of respira- There have been no reports of a device like our system with the ability to measure 02 uptake, CO2 output, and C2H4 evolution simultaneously even under an atmosphere containing a significant amount of any these gases. Our system may be too expensive and complicated.…”

Section: Resultsmentioning

confidence: 99%

Automated Microcomputer System for Measurement of O2 Uptake, CO2 Output, and C2H4 Evolution by Fruit and Vegetables

Inaba

Kubo

Nakamura

1989

Engei Gakkai zasshi

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Section: Resultsmentioning

confidence: 99%

Automated Microcomputer System for Measurement of O2 Uptake, CO2 Output, and C2H4 Evolution by Fruit and Vegetables

Inaba

Kubo

Nakamura

1989

Engei Gakkai zasshi

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“…1 on three apples per replicate using a Hewlett-Packard (Mississauga, Ont., Canada) 5880A gas chromatography equipped with a dual flame ionization detector. At harvest and following storage in 1987 and 1988, 10 apples per replicate were placed in a flow-through system (Lougheed and Franklin, 1968). The effluent air was automatically sampled and 3-ml samples were injected into a Beckman GC-5 gas chromatography (Beckman Instruments, Fullerton, Calif.) with a dual flame ionization detector (Lougheed et al, 1969) and thermal conductivity detectors.…”

Section: Methodsmentioning

confidence: 99%

Effects of Daminozide, Paclobutrazol, and Uniconazole Treatments on `McIntosh' Apples at Harvest and Following Storage

Elfving¹,

Lougheed²,

Chu³

et al. 1990

jashs

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Foliar daminozide (DZ) applications to `McIntosh' apple trees (Malus domestics Borkh.) increased fruit color, reduced preharvest drop, resulted in greater firmness at harvest and after air storage, delayed starch hydrolysis, and reduced fruit ethylene production at harvest and after storage. Foliar paclobutrazol (PBZ) reduced preharvest drop and flesh firmness loss if applied within 5 weeks after full bloom (WAFB). Later applications had no effect. PBZ did not influence the progress of starch hydrolysis or ethylene production at harvest but reduced poststorage ethylene production in one season. Stem-cavity browning and brown core were increased by PBZ applied at 5 and 9 WAFB in 1987. In 1988, fruit soluble solids content (SSC) was reduced by a double application of PBZ and by uniconazole (UCZ). UCZ had little effect on `McIntosh' fruit other than the reduction in SSC. PBZ applications were less consistent in their effects than DZ. Chemical names used: butanedioic acid mono(2,2-dimethylhydrazide) (daminozide); ß-[(4-chlorophenyl) methyl]-α- -(l,l-dimethylethyl)-1H-1,2,4-triazole-1-ethanol (paclobutrazol); ß-[(4-chlorophenyl)methylene]-α-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol (uniconazole).

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“…placed in a flow-through system to measure ethylene production at 20C (Lougheed and Franklin, 1968). The effluent air was automatically sampled and 3-ml samples were injected into a gas chromatograph (model GC-5; Beckman Instruments, Fullerton, Calif.) with dual-flame ionization and thermal-conductivity detectors (Lougheed et al, 1969).…”

Section: Methodsmentioning

confidence: 99%

Storage Responses of `Empire' Apples to Benzyladenine and Other Chemical Thinners

Elfving¹,

Lougheed²

1994

jashs

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In three trials over 3 years, foliar BA applications for fruitlet thinning of `Empire' apple (Malus domestica Borkh.) trees produced small and inconsistent effects on flesh firmness at harvest and after air storage. Soluble solids concentrations at harvest and after air storage were consistently increased by BA alone or together with GA4+7 [Promalin (PR)], and were also increased by CB in one trial. Starch hydrolysis was slightly delayed by BA applications in 1990. Ethylene evolution at harvest was increased by NAA in 1988 and slightly increased by PR applied 29 days after full bloom (DAFB) in 1990, while poststorage ethylene evolution was stimulated by BA and PR treatments in 1990 except BA at 29 DAFB. Incidence of poststorage disorders was low and largely uninfluenced by thinning treatments. Chemical names used: N-(phenylmethyl)-1H-purine-6-amine [benzyladenine (BA)]; BA plus gibberellins A4 and A7 (GA 4+7) [Promalin (PR)]; 1-naphthaleneacetic acid (NAA); 1-naphthalenyl methylcarbamate [carbaryl (CB)].

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Automated System for Measuring Respiration

Abstract: not available

Cited by 9 publications

References 0 publications

Automated Microcomputer System for Measurement of O2 Uptake, CO2 Output, and C2H4 Evolution by Fruit and Vegetables

Automated Microcomputer System for Measurement of O2 Uptake, CO2 Output, and C2H4 Evolution by Fruit and Vegetables

Effects of Daminozide, Paclobutrazol, and Uniconazole Treatments on `McIntosh' Apples at Harvest and Following Storage

Storage Responses of `Empire' Apples to Benzyladenine and Other Chemical Thinners

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