A Study of the Respiration of Bananas

Gane, Roy E.

doi:10.1111/j.1469-8137.1936.tb06890.x

Cited by 31 publications

(12 citation statements)

References 10 publications

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“…Data presented by other investigators indicate that other harvested plant materials such as apples (6,17) andl bananas (3) produce approximately the same amount of CO2 per kilogram. The calculated CO, production for these crops closely approximate that of cucumbers in the present study (20 figure 1.…”

Section: Methodsmentioning

confidence: 85%

“…Figure 3 illustrates several points regarding the effect of previous treatment on the respiration rate of the fruits at 25°C. Severe chilling (8 days at 00 and 12 days at 50 C) resulted in the response typified in figure 3 (left) by 12-day exposure to 50 C, i.e., a high initial respiration rate at 250 C, which remains at a high level. An 8-day exposure to a temperature of 50 C, which is considered to be moderately injurious, resulted in high initial respiration rates which decreased rapidly and then increased.…”

Section: Methodsmentioning

confidence: 95%

“…Jones (5) reported a larger temperature coefficient for CO2 production of papaya fruits between 7.2 and 10°C than for other temperature ranges above or below that of 10 to 7.20 C. This indicated to him a marked break in the nature of the processes having to do with CO2 production of the papaya below 10°C. Gane (3), however, presents data showing only slight deviations in the temperature coefficients for CO2 production of bananas at temperatures of 0, 5, 12.5, and 20°C. Platenius (15) concluded that neither the respiratory rates nor the respiratory quotients of cold-sensitive crops (including cucumbers) held at 0.50 C showed deviations from the results of those held at 10 or 240 C that would suggest an abnormal rate or course of respiration associated with chilling injury.…”

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confidence: 99%

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Respiration of Cucumber Fruits Associated with Physiological Injury at Chilling Temperatures.

Eaks¹,

Morris²

1956

Plant Physiol.

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Section: Methodsmentioning

confidence: 85%

Section: Methodsmentioning

confidence: 95%

mentioning

confidence: 99%

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Respiration of Cucumber Fruits Associated with Physiological Injury at Chilling Temperatures.

Eaks¹,

Morris²

1956

Plant Physiol.

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“…Limited data are available on the banana. By the use of the katharometer method Gane (9) observed a suppression of the climacteric and reduction of respiratory activity in an atmosphere of 10 % carbon dioxide and 10 % oxygen. Wardlaw (20) subjected unripe bananas to clifferent combinations of oxygen and carbon dioxide.…”

mentioning

confidence: 99%

Carbon Dioxide Effects on Fruit Respiration . II. Response of Avocados, Bananas, & Lemons

1962

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,Most studies concerning the effects of the gas composition of the atmosphere surrounding fruit have been directed toward the response of the combined changes of oxygen (3) is suggested.For the avocado, a fruit which exhibits a climacteric pattern of respiration, it was shown by Biale (2) that low oxygen reduced the respiratory activity during the preclimacteric period andl the (luration of the preclimacteric period was prolonged. Within the range of 2.5 to 21 % oxygen the time required to reach the climacteric peak was extended in proportion to the decrease in oxygen tension and the intensity of respiration at the peak was reduced. No significant stimulation of respiration wvas observed by concentrations of oxygen above 35 %. However, the cumulative carbon dioxide production from the time of picking until the climacteric peak was not changed by the treatment at any level of oxygen. In the case of the banana, another fruit with a climacteric pattern, it was found by Kidd and West ( 11 ) that storage in 2.5 and 5.0 % oxygen did not materially decrease the rate of ripening. On the other hand, Leonard (13) observed a reduction in CO, liberation by fruit stored in oxygen concentrations lower than air and no effect in concentrations higher than air.Lemons did not exhibit the climacteric pattern of respiration after picking when stored in air or at oxygen tensions below that of air, as shown in the sttudies of Biale and Young (5). The respiratory 1 Received revised manuscript Dec. 20, 1961. activity under air decreased slightly during storage. Reduction of oxygen in the atmosphere surrounding the fuit reduced the rate of respiration in proportion to the oxygen concentration in the range of 21 to 5 % oxygen. Carbon dioxide evolution increased at oxygen levels below 5 %, indicating the similarity of the behavior of lemons with other fruits characterized by a critical oxygen concentration. The storage life was extended and the (lecomposition of chlorophyll in mature green lemons was delayed by lowered oxygen.The effect of added carbon dioxide on respiratorv activity of fruits at a particular oxygen concentration has been studied little, largely due to technical difficulties. Limited data are available on the banana. By the use of the katharometer method Gane (9) observed a suppression of the climacteric and reduction of respiratory activity in an atmosphere of 10 % carbon dioxide and 10 % oxygen. Wardlaw (20) subjected unripe bananas to clifferent combinations of oxygen and carbon dioxide. On the basis of gas analysis he concluded that there was a 50 X redluction in rate of respiration over a wide range of 02 and CO2 concentrations as compared with air. His (leterminations were limited to green fruit and iwere done in a closed system in which the gaseous composition could not be kept constant. The use of analytical methods described in the first paper (21) of this series has enabled us to study the effect of carbon dioxide at several oxygen levels on the respiratory activity and storage behavior. The responses to C...

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“…This suiggestion is stupported by the observation that fruiits evolve less ethylelne (6) and have a reduiced sensitivity to applied ethylene (5, 11, 23) at low O02 partial presstires, but it has als-been arguied that 0( clepletion preserves fruiits by redtucing their rate of respiration (34). The satme mechanism probably accouints for the retardation of fruiit ripening at low 0.. tensions, for 5 or 10 % 0, has little effect on the rate of respirationi and( ethyleine formationi in apples (6,23) aindl hananas (17,34) 4 (upper left). Thuis it is possible to lower this tisstueIs sensitivity to ethylene at z .05 /3.5%°2 02 LD t s x -0.1 withouit affecting its respiration rate.…”

Section: Discussionmentioning

confidence: 99%

Japanese crossed Wernicke's aphasia

Sakurai

Kurisaki²,

Takeda³

et al. 1992

Neurology

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A right-handed Japanese man with no personal or family history of left-handedness developed severe Wernicke's aphasia, a mild constructional disorder, and slight left hemiparesis. MRI revealed infarction in the territory of the righ middle cerebral artery, including areas homologous to Broca's and Wernicke's areas. The cerebral blood flow in these areas remained diminished even after language activation. The most likely explanation is that language production occurred in the left Broca's area, while language comprehension occurred in the right Wernicke's area (a dissociated aphasia).

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A Study of the Respiration of Bananas

Cited by 31 publications

References 10 publications

Respiration of Cucumber Fruits Associated with Physiological Injury at Chilling Temperatures.

Respiration of Cucumber Fruits Associated with Physiological Injury at Chilling Temperatures.

Carbon Dioxide Effects on Fruit Respiration . II. Response of Avocados, Bananas, & Lemons

Japanese crossed Wernicke's aphasia

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