Using Ethylene Gas and Chlorpropham Potato Sprout Inhibitors Together

Daniels-Lake, Barbara J.; Pruski, Kris; Prange, Robert K.

doi:10.1007/s11540-011-9188-z

Cited by 22 publications

(11 citation statements)

References 11 publications

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“…exogenous ethylene, essential oils, controlled atmosphere) has accelerated ( Alamar et al, 2017a ). Among these alternatives, exogenous ethylene is well known to affect potato physiology during storage and many have reported the positive effects on sprouting delay, alongside the propensity to promote the undesirable accumulation of reducing sugars ( Daniels-Lake et al, 2005 , 2011 ; Foukaraki et al, 2014 , Foukaraki et al, 2016a , 2016b ; Prange et al, 1998 , 2005 ; Suttle, 1998 ). 1-MCP has been tested and has showed potential in reducing ethylene-induced sugar accumulation ( Daniels-Lake et al, 2008 ; Foukaraki et al, 2016b; Prange et al, 2005 ).…”

Section: Discussionmentioning

confidence: 99%

“…Over the last 10 years, CIPC has been under regulatory scrutiny, and in June 2019 the European Union legislated for its withdrawal, such that the 2019−2020 season was the last storage season where the application of CIPC will be permissible. Among the alternative sprout suppressant strategies available, continuous ethylene supplementation has received much attention ( Daniels-Lake et al, 2005 , 2011 ; Foukaraki et al, 2014 , Foukaraki et al, 2016a , 2016b ; Prange et al, 1998 , 2005 ; Rylski et al, 1974 ; Suttle, 1998 ), and in 2003 the Chemical Residue Directorate (UK) approved its use as a sprout suppressant ( Alamar et al, 2017a ). The inhibition of potato sprout growth by ethylene is well-known; and similar effects of using ethylene to extend ecodormancy have been described in other low-ethylene-producing storage organs, like onion bulbs ( Cools et al, 2011 ; Ohanenye et al, 2019 ) and sweetpotato roots ( Amoah et al, 2016 ).…”

Section: Introductionmentioning

confidence: 99%

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New insights into the effects of ethylene on ABA catabolism, sweetening and dormancy in stored potato tubers

Tosetti

Waters

Chope

et al. 2021

Postharvest Biology and Technology

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Highlights Continuous ethylene activates ACO transcription and respiration in potatoes. 1-MCP completely inhibits the respiratory rise induced by continuous ethylene exposure. Exogenous ethylene promptly activates parenchymatic ABA catabolism via CYP707A upregulation. A Kunitz-type invertase inhibitor mediates ethylene-induced sweetening. A physiologically targeted ethylene + 1-MCP treatment offers an alternative to CIPC.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

New insights into the effects of ethylene on ABA catabolism, sweetening and dormancy in stored potato tubers

Tosetti

Waters

Chope

et al. 2021

Postharvest Biology and Technology

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“…Chlorpropham (isopropyl N -3-chlorophenyl carbamate; CIPC), a sprout inhibitor that is applied post-harvest, is used globally to prevent the sprouting of stored commodity potatoes. However, there is a decreasing market tolerance for agrochemical residues on food products [ 3 ].…”

Section: Introductionmentioning

confidence: 99%

Comparative Morphology, Transcription, and Proteomics Study Revealing the Key Molecular Mechanism of Camphor on the Potato Tuber Sprouting Effect

Xue

Deng

et al. 2017

IJMS

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Sprouting regulation in potato tubers is important for improving commercial value and producing new plants. Camphor shows flexible inhibition of tuber sprouting and prolongs the storage period of potato, but its underlying mechanism remains unknown. The results of the present study suggest that camphor inhibition caused bud growth deformities and necrosis, but after moving to more ventilated conditions, new sprouts grew from the bud eye of the tuber. Subsequently, the sucrose and fructose contents as well as polyphenol oxidase (PPO) activity were assessed after camphor inhibition. Transcription and proteomics data from dormancy (D), sprouting (S), camphor inhibition (C), and recovery sprouting (R) samples showed changes in the expression levels of approximately 4000 transcripts, and 700 proteins showed different abundances. KEGG (Kyoto encyclopaedia of genes and genomes) pathway analysis of the transcription levels indicated that phytohormone synthesis and signal transduction play important roles in tuber sprouting. Camphor inhibited these processes, particularly for gibberellic acid, brassinosteroids, and ethylene, leading to dysregulation of physiological processes such as cutin, suberine and wax biosynthesis, fatty acid elongation, phenylpropanoid biosynthesis, and starch and sucrose metabolism, resulting in bud necrosis and prolonged storage periods. The KEGG pathway correlation between transcripts and proteins revealed that terpenoid backbone biosynthesis and plant–pathogen interaction pathways showed significant differences in D vs. S samples, but 13 pathways were remarkably different in the D vs. C groups, as camphor inhibition significantly increased both the transcription levels and protein abundance of pathogenesis-related protein PR-10a (or STH-2), the pathogenesis-related P2-like precursor protein, and the kirola-like protein as compared to sprouting. In recovery sprouting, these genes and proteins were decreased at both the transcriptional level and in protein abundance. It was important to find that the inhibitory effect of camphor on potato tuber sprout was reversible, revealing the action mechanism was similar to resistance to pathogen infection. The present study provides a theoretical basis for the application of camphor in prolonging seed potato storage.

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“…& CIPC is among the three pesticides which has been found in the highest concentrations in the diet of the average American and comprises 90 % of the total synthetic chemical residue in US potatoes and in this way also it is going to be a health concern (Gunderson 1988;Prange et al 1997;Daniels-Lake et al 2011). Recent literature points out clearly that the CIPC residue left in the tuber is harmful for human body (El-Awady Aml et al 2014) and new legislation is also limiting the use of CIPC (Cools et al 2014).…”

Section: Some Important Safety Issues and Environmental Concerns Relamentioning

confidence: 99%

Sprout suppression on potato: need to look beyond CIPC for more effective and safer alternatives

2015

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World over, potatoes are being stored at [8][9][10][11][12]. This is the most common way of long-term (up to 6 to 9 months) storage of potatoes. The benefit of storing the potatoes within the temperature range of 8-12°C is minimum accumulation of sugars in stored potato tubers. In sub-temperate, sub-tropical and tropical countries of the world, short-term (3 to 4 months) storage of potatoes is being done by non-refrigerated traditional/on-farm methods. These short-and long-term storage methods keep the stored potatoes suitable not only for table purpose but also for processing. However, once the natural dormancy period of potato is over, the prevailing temperatures in these storage methods favour sprouting and sprout growth. Therefore, use of some sprout suppressant to check the sprout growth becomes essential under these methods of potato storage. CIPC [Isopropyl N-(3-chlorophenyl) carbamate] is the most wide spread and commonly used sprout suppressant on potatoes. CIPC has been in use for more than 50 years and research carried out over such a long period use of CIPC has not only enhanced our understanding of its properties and chemistry but also about the production and toxicological status of its metabolites/ degradation products. Today, various safety issues and concerns have surfaced primarily due to continuous and longterm use of CIPC. This review presents an appraisal on CIPC and explains the reasons for the long-time dependence on this chemical as a potato sprout suppressant. Issues like maximum residue limit and acceptable daily intake limit are being discussed for CIPC. This article brings an update on practical aspects of potato storage, residue levels of CIPC, efficacy of CIPC as sprout suppressant and health and environmental safety issues linked with CIPC and its metabolites. The aim of this article is to find possible solutions, way outs and future plans that can make the sprout suppression of potatoes safer and more risk free.

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Using Ethylene Gas and Chlorpropham Potato Sprout Inhibitors Together

Cited by 22 publications

References 11 publications

New insights into the effects of ethylene on ABA catabolism, sweetening and dormancy in stored potato tubers

New insights into the effects of ethylene on ABA catabolism, sweetening and dormancy in stored potato tubers

Comparative Morphology, Transcription, and Proteomics Study Revealing the Key Molecular Mechanism of Camphor on the Potato Tuber Sprouting Effect

Sprout suppression on potato: need to look beyond CIPC for more effective and safer alternatives

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