Sprout inhibition in storage: Current status, new chemistries and natural compounds

Kleinkopf, G. E.; Oberg, Nathan A.; Olsen, Nora

doi:10.1007/bf02854316

Cited by 90 publications

(88 citation statements)

References 59 publications

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“…An Environmental Protection Agency mandate (1996) within the requirements of the Food Quality Protection Act (FQPA) resulted in a reduction in allowable CIPC residue, a chemical sprout inhibitor on fresh potatoes in the USA from 50 ppm to 30 ppm. This mandate coincides with tolerance reductions or restrictions for use of CIPC in other parts of the world (Kleinkopf et al 2003) with the European member countries having a limit of 5 to 10 ppm. Hence there is a need for alternative methods for sprout suppression, such as cold storage.…”

Section: Introductionmentioning

confidence: 63%

Alleviation of low temperature sweetening in potato by expressing Arabidopsis pyruvate decarboxylase gene and stress-inducible rd29A: A preliminary study

Pinhero

Pazhekattu

Marangoni

et al. 2011

Physiol Mol Biol Plants

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The acceptability of potatoes for processing chips and French fries is largely dependent on the color of the finished product. Most potato cultivars and varieties stored at temperatures below 9-10°C are subjected to low temperature sweetening (LTS) which result in the production of bitter-tasting, dark colored chips and French fries which are unacceptable to consumers. However, storing tubers at low temperatures (i.e., <10°C) has many advantages such as lowered weight loss during storage, natural control of sprouting, and reduction/elimination of chemical sprout inhibitors. Our earlier research results on LTS suggested a role for pyruvate decarboxylase (PDC) in LTS-tolerance. In the present study, the role of PDC was examined whereby the potato variety Snowden was transformed with Arabidopsis cold-inducible pyruvate decarboxylase gene 1 (AtPDC1) under the control of promoter rd29A. Two transgenic plants were selected and storage studies were conducted on tubers harvested from one of the transgenic lines grown under green house conditions. Transgenic tubers showed higher Agtron chip color score indicating lighter chip and lower reducing sugar and sucrose concentrations compared to the untransformed tubers during the storage periods studied at 12°C and 5°C. These results suggest that overexpression of pyruvate decarboxylase gene resulted in low temperature sweetening tolerance in the transgenic Snowden.

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Section: Introductionmentioning

confidence: 63%

Alleviation of low temperature sweetening in potato by expressing Arabidopsis pyruvate decarboxylase gene and stress-inducible rd29A: A preliminary study

Pinhero

Pazhekattu

Marangoni

et al. 2011

Physiol Mol Biol Plants

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“…However, it has turned out to be difficult to predict physiological ageing of seed potatoes under different conditions (Johansen, Mollerhagen, & Haugland, 2008). Even though storage technologies have been developed and sprout inhibitors introduced to control the physiological state (Daniels-Lake & Prange, 2007) and sprouting, in particular, these attributes are difficult to control when seed potatoes are stored for longer periods (Kleinkopf, Oberg, & Olsen, 2003). This is the case in seed potato production areas in northern Finland (64.9 N,25.4 E): the growing season is short (120-180 days) and the storage period is relatively long (6-8 months).…”

Section: Introductionmentioning

confidence: 99%

Effects of Production History and Gibberellic Acid on Seed Potatoes

Virtanen¹,

Häggman²,

Degefu³

et al. 2013

JAS

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In the present study effects of production history on tuber sprout, root, stem development and crop yield of seed potato cultivars Fambo and Van Gogh were investigated in the High Grade Area of Finland (64.9 N, 25.4 E). The haulms of seed potatoes were destroyed at the time of flowering (50 days after planting, DAP), three weeks after flowering (75 DAP) and as a control the haulm was left to natural death until harvest (95 DAP). The temperature sum accumulation of the seed potatoes was recorded for the growing season and storage period. In addition, the use of plant hormone gibberellic acid (GA) in sprout control was also investigated.The results indicated that cultivar properties had a greater effect on the sprouting and crop yield of seed potatoes than production-phased haulm killing or temperature sum accumulation. Haulm killing carried out at three weeks after flowering (75 DAP) accelerated the emergence of both cultivars significantly compared to killing at 50 DAP or 95 DAP. Gibberellic acid (GA) treatments significantly increased the number of sprouts and at lower concentration (100 mM) GA increased the number of tubers in the cultivar Fambo. Thus, the timing of haulm killing and in the case of Fambo, GA treatment influenced the characteristics of seed potatoes produced in the present study, revealing methods to improve seed potato production in the northern latitudes.

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“…Potatoes stored in piles had uneven distribution of CIPC, presumably because of differential airflow within the piles (Conte et al 1995). Potato cultivars also differ in concentration of CIPC dose which is required for the effective control of sprout growth besides being influenced by storage conditions and temperatures (Kleinkopf et al 2003). All the factors and situations as described above play a role in leading to residue levels of CIPC in the treated potatoes during and after the period of storage.…”

Section: Adverse Consequences Of Sprouting Of Potatoes During Storagementioning

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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Sprout inhibition in storage: Current status, new chemistries and natural compounds

Cited by 90 publications

References 59 publications

Alleviation of low temperature sweetening in potato by expressing Arabidopsis pyruvate decarboxylase gene and stress-inducible rd29A: A preliminary study

Alleviation of low temperature sweetening in potato by expressing Arabidopsis pyruvate decarboxylase gene and stress-inducible rd29A: A preliminary study

Effects of Production History and Gibberellic Acid on Seed Potatoes

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

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