Experiments Concerning the Co2-Production and -Storage of Carrots in Small Store Boxes

Weichmann, J.

doi:10.17660/actahortic.1971.20.12

Cited by 3 publications

(4 citation statements)

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“…Contrary to previous reports (Smith, 1943;Van-denberg& Lentz, 1966;Weichman, 1969) our results i ndicate that CA treatment of 5 % CO 2 -10 % reduced sprouting, rooting and decay. Apeland & Hoftun (1969) reported that the critical concentration of oxygen at 0 C C is between 5 and 10%.…”

Section: Discussioncontrasting

confidence: 99%

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Effects of growth regulators and controlled atmosphere on stored carrots

Isenberg¹

1974

J. Agric. Sci.

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SummaryPreharvest sprays with 6-hydroxy-3-(2H)-pyridazinone (MH), or immersion in solutions of MH, 2,4-dichlorophenoxyacetic acid (2,4-D), 2-chloroethylphosphonic acid (ethephon), coumarin or (2-chloroethyl) trimethylammonium chloride (CCC) inhibited both sprouting and rooting of treated carrots during storage at 0 °C whencompared with water-dipped or untreated carrots, while N-6-benzyl-adenine (BA) dips stimulated extensive rooting and sprouting. In contrast, immersion in gibberellic acid (GA3) solutions had very little effect.Storage atmospheres containing 1, 2.5, 5 or 10% oxygen inhibited both sprouting and rooting but increased mould infection. Atmospheres containing 21% (air) or 40% oxygen reduced mould infection, but increased sprouting and rooting of stored carrots. Washing carrots in water before storage did not significantly affect mould infection, while washing in 0.5% clorox increased it. However, washing in water followed by immersion in MH inhibited both sprouting and rooting and also reduced mould infection. ‘Jumbo’ and large-size carrots stored better than medium and small carrots.

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Section: Discussioncontrasting

confidence: 99%

“…Apeland & Hoftun (1969) reported that the critical concentration of oxygen at 0 C C is between 5 and 10%. Weichman (1969) indicated that the critical concentration of CO 2 is 5 %. Washing carrots did not increase decay during storage as reported previously (Newhall, 1953), perhaps because of washing in running water and care in handling.…”

Section: Discussionmentioning

confidence: 99%

Effects of growth regulators and controlled atmosphere on stored carrots

Isenberg¹

1974

J. Agric. Sci.

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“…(Sondheimer et al1955) and ethylene has been identified as the agent inducing the synthesis of isocoumarin in carrots (Carlton et al 1961;Chalutz et al 1969 (1969) indicated that "a reduction of the oxygen content below 8 to lOVo and an increase in the content of carbon dioxide above 5% seems to be harmful." Weichmann ( 1969) found that concentrations of CO" up to 47o were beneficial, and higher contents were harmful. We have no basis to assess the part played by the n.rodified atmosphere compared with that of high moisture in the preservation of the quality of the carrots.…”

Section: Introductionmentioning

confidence: 99%

“…Plant Sci. 53; [635][636][637][638][639][640][641] (JuIy 1973) (Hasselbring 1927;Lentz 1965 Weichmann 1969Weichmann , 1972 For personal use only. (Sondheimer et al1955) and ethylene has been identified as the agent inducing the synthesis of isocoumarin in carrots (Carlton et al 1961;Chalutz et al 1969 (1969) indicated that "a reduction of the oxygen content below 8 to lOVo and an increase in the content of carbon dioxide above 5% seems to be harmful."…”

Section: Introductionmentioning

confidence: 99%