GB2400008A - Multi-stem seed potato tubers - Google Patents

Multi-stem seed potato tubers Download PDF

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Publication number
GB2400008A
GB2400008A GB0307896A GB0307896A GB2400008A GB 2400008 A GB2400008 A GB 2400008A GB 0307896 A GB0307896 A GB 0307896A GB 0307896 A GB0307896 A GB 0307896A GB 2400008 A GB2400008 A GB 2400008A
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United Kingdom
Prior art keywords
seed potato
ethylene
tubers
potato tuber
ppm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB0307896A
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GB0307896D0 (en
Inventor
Paul Michael Coleman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GREENVALE AP Ltd
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GREENVALE AP Ltd
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Filing date
Publication date
Application filed by GREENVALE AP Ltd filed Critical GREENVALE AP Ltd
Priority to GB0307896A priority Critical patent/GB2400008A/en
Publication of GB0307896D0 publication Critical patent/GB0307896D0/en
Publication of GB2400008A publication Critical patent/GB2400008A/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/14Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/144Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B7/152Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N27/00Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons

Abstract

A method for increasing the number of stems on a seed potato tuber comprising the steps of: <SL> <LI>a. storing a seed potato tuber at a temperature in the range of 3-15{C under an atmosphere comprising at least 8 ppm ethylene for at least 8 weeks; and then <LI>b. removing the seed potato tuber from storage under the said ethylene atmosphere for subsequent planting. </SL>

Description

2400008
MULTI-STEM SEED POTATO TUBERS
The present invention relates to a method of increasing the number of stems on a seed potato tuber.
seed potato tubers are stored in commercial potato stores at 3.0-3.5 C in the absence of any chemical sprout suppressant. At this temperature range, the tubers break dormancy after a few months but the sprouts are unable to grow further.
Proposed Regulatory Decision Document PRDD 2001-04 relating to ethylene Eco Sprout Guard prepared by Health Canada discloses the use of ethylene for suppressing growth of potato tuber stems during storage.
In commercial scale trials conducted on Solanum tuberosum Russet Burbank cultivar over the period 1992-1995, tubers were stored in a storage building and the concentration of ethylene in the building was raised to 4 ppm once the tubers had been permitted to suberize and cool to SAC. Ethylene was observed to reduce the sprout number as well as the sprout weight and length.
Surprisingly, the inventors have found that storage of seed potato tubers at elevated ethylene concentrations (10-50 ppm) prior to planting results in an increased number of healthy stems on each tuber on planting and hence an increased number of smaller tuber-e per plant.
Summary of Invention
In a first aspect of the invention, a method for increasing the number of stems on a seed potato tuber is provided comprising the steps of: a) storing a seed potato tuber at a temperature in the range of 3-15 C under an atmosphere comprising at least 8 ppm ethylene for at least 8 weeks; and then b) removing the seed potato tuber from storage under the said ethylene atmosphere for subsequent planting. l
The storage temperature can be in the range of 5-13 C, and is ideally 10 C. The ethylene concentration can be in the range of 8-100 ppm, more preferably 8-75 ppm, more particularly in the range of 8-13 ppm and ideally 10 ppm. The seed potato tuber can be stored for at least 12 weeks.
The seed potato tuber can, optionally, be selected from one of cultivar Maris Peer or Charlotte.
In another aspect of the invention, a seed potato tuber is provided treated by the foregoing method.
Brief Description of the Figures
The invention will now be exemplified with reference to Figure which shows a planting regime for Solanum tuberosum Maris Peer and Charlotte cu ltiva rs.
Detailed Description of Invention
Maris Peer and Charlotte cultivar seed potato tubers were lifted in September/October 2001 and stored in an commercial potato store at 9 C for about 10 days in order for any wounds on the tubers to heal. This process is known as suberization and involves the impregnation of cell walls with suberin, a fatty or waxy substance present in the walls of cork cells, rendering them impermeable to water and resistant to decay. The storage temperature was then reduced to 4 C. On i4th January 2002, when the tubers first started to sprout, the storage temperature was raised to about 10 C and ethylene introduced at an atmospheric concentration range of 10-50 ppm. The tubers were then removed from the enhanced ethylene atmosphere on i7th April 2002. Before planting, the tubers were able to degas over a period of 3-4 days.
The ethylene treated seed potato tubers were then planted on 25th April 2002 in accordance with the planting regime illustrated in Figure:1.
So Figure 1 shoves 32 plots half of which are planted with the Maris Peer cultivar and half of which are planted with the Charlotte cultivar. Each plot is planted with three rows of ten tubers at 8 inch intervals. Each group of 16 plots includes four plots of untreated seed tubers (UNT), four plots of ethylene treated seed tubers (TY), four plots of seed tubers treated with 2-aminoethoxyvinyl glycine (EB) and four plots of ethylene treated seed tubers subsequently treated with 2-aminoethoxyvinyl glycine (TY + EB). The 2-aminoethoxyvinyl glycine was applied to the tubers by spray the day before planting at a concentration of 43g/hectare. 2aminoethoxyvinyl glycine is thought to inhibit endogenous ethylene production.
The soil type used in the plots was sandy loam from Nacton farm. No nematicide was applied. Fertiliser was applied at an equivalent nitrogen concentration of 140kg/hectare.
The burn off date was 12th July 2002 and the potato tubers were harvested on 5th August 2002. The process of burn off involves chopping down of the plant and treatment of the remaining stem with a gas burner or sulphuric acid. The process prevents further growth of the tuber.
The results are summarised in tables 1-3 hereinbelow. !
Table 1: Charlotte cultivar Tonne / Acre Total Treatment Punnett Ware Total Number Tubers/Tubers/ Number Plot No. 20-40mm 40mm+ Yield stems plant stem Tubers Untreated 3 10.46 5.36 15.96 132 12.87 2. 92 386 Untreated 6 10.57 5.50 16.17 153 12.10 2.37 363 Untreated 9 10. 19 4.81 15.03 135 11.17 2.48 335 Untreated 16 8.73 6.71 15.51 129 11.17 2. 60 335 Mean 9.99 5.60 15.67 137 11.83 2.13 355 TY 1 11.02 3.08 14. 37 204 14.70 2.16 441 TY 8 11.10 3.17 14.58 201 14.30 2.13 429 TY 11 13. 27 1.55 14.94 195 14.50 2.23 435 TY 14 11.60 3.41 15.12 210 13.07 1. 87 392 Mean 11.75 2.80 14.75 203 14.14 2.10 424 % difference from untreated 18 -50 -6 48 20 -19 20 EB 2 5.26 2.48 7. 89 114 7.57 1.99 227 EB 5 4.48 2.23 6.76 90 5.73 1.91 172 EB 12 6.39 1. 33 7.78 75 5.43 2.17 163 EB 15 6.66 2.96 9.67 93 7.80 2.52 234 Mean 5. 70 2.25 8.03 93 6.63 2.15 199 % difference from untreated -43 -60 -49 -32 -44 -17 -44 TY + EB 4 6.41 1. 96 8.48 105 9.80 2.80 294 TY + EB 7 6.71 1.03 7.86 135 8.67 1.93 260 TY + EB 10 5.59 1.41 7.09 132 8.13 1.85 244 TY+ EB 13 5.65 1.17 6.89 105 7. 23 2.07 217 Mean 6.09 1.39 7.58 119 8.46 2.16 254 % difference from u ntreated -39 -75 -52 -13 -28 -17 -28 Table shows that ethylene treated Charlotte cultivar potato seed tubers produce 48% more stems than untreated tubers.
Table 2: Maris Peer cultivar Tonne / Acre Total Treatment Punnett Ware Total Number Tubers/Tubers/ Number __ Plot No. 20-40mm 40mm+ Yield stems _plant _stem Tubers_ Untreated 3 10. 40 1.65 12.06 123 10.63 2.59 319 Untreated 6 8.83 0.84 9.74 132 9.77 2.22, 293 Untreated 9 6.75 1.34 8.16 141 8.53 1.82 256 Untreated 16 9.06 1. 35 10.43 159 9.93 1.87 298 Mean 8.76 1.30 10.10 139 9.72 2.13 292 TY 1 8. 13 0.30 8.43 183 11.90 1.95 357 TY 8 9.92 0.16 10.15 226 13.00 1.73 390 TY 11 9.44 0.24 9.77 183 10.60 1.74 318 TY 14 10.30 0.66 11.03 186 12. 37 1.99 371 Mean 9.45 0.34 9.85 195 11.97 1.85 359 % difference from untreated 8 -74 -3 40 23 -13 23 EB 2 8.41 0.88 9. 35 153 10.07 1.97 302 EB 5 6.18 0.88 7.66 141 7.17 1.52 215 EB 12 6.79 0. 67 7.49 129 8.00 1.86 240 EB 15 7.78 0.86 8.68 123 8.17 1.99 245 Mean 7. 29 0.82 8.30 137 8.35 1.84 251 % difference from untreated -17 -36 -18 -2 -14 -14 -14 TY + EB 4 6.48 0. 56 7.07 150 8.17 1.63 245 TY+ EB 7 7.58 0.28 7.94 147 9.07 1.85 272 TY + EB 10 7.28 0.18 7.62 165 7.42 1.35 223 TY+ EB 13 7.37 0.46 7.96 198 11. 27 1.71 338 Mean 7.18 0.37 7.65 165 8.98 1.63 269 % difference from untreated -18 -71 -24 19 -8 -23 -8 Table 2 shows that ethylene treated Maris Piper cultivar potato seed tubers produce 40% more stems than untreated tubers.
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Claims (11)

  1. ( Claims 1. A method for increasing the number of stems on a seed potato
    tuber comprising the steps of: a. storing a seed potato tuber at a temperature in the range of 3-15 C under an atmosphere comprising at least 8 ppm ethylene for at least 8 weeks; and then b. removing the seed potato tuber from storage under the said ethylene atmosphere for subsequent planting.
  2. 2. A method for increasing the number of stems on a seed potato tuber according to claim 1 comprising the additional step of de gassing the seed potato tuber after removal from storage under the ethylene atmosphere and prior to planting.
  3. 3. A method according to claim 1 or claim 2 wherein the storage temperature is in the range of 5-13 C.
  4. 4. A method according to claim 3 wherein the storage temperature is 10 C.
  5. 5. A method according to any one of the preceding claims wherein the ethylene concentration is in the range of 8-100 ppm
  6. 6. A method according to claim 5 wherein the ethylene concentration is in the range of 8-75 ppm.
  7. 7. A method according to claim 6 wherein the ethylene concentration is in the range of 8-13 ppm.
  8. 8. A method according to claim 7 wherein the ethylene concentration is 10 prim.
  9. 9. A method according to any one of preceding claims wherein the seed potato tuber is stored for at least 12 weeks. (
  10. 10. A method according to any one of the preceding claims wherein the seed potato tuber is selected from one of cultivar Maris Peer or Charlotte.
  11. 11. A seed potato tuber treated by the method according to any one of the preceding claims.
GB0307896A 2003-04-05 2003-04-05 Multi-stem seed potato tubers Withdrawn GB2400008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
GB0307896A GB2400008A (en) 2003-04-05 2003-04-05 Multi-stem seed potato tubers
EP04716657A EP1613165A1 (en) 2003-04-05 2004-03-03 Multi-stem seed potato tubers
PCT/GB2004/000876 WO2004089094A1 (en) 2003-04-05 2004-03-03 Multi-stem seed potato tubers

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GB2400008A true GB2400008A (en) 2004-10-06

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WO (1) WO2004089094A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0923740A (en) * 1995-07-10 1997-01-28 Norin Suisansyo Hokkaido Nogyo Shikenjo Storage of root vegetables
EP0764401A1 (en) * 1995-04-03 1997-03-26 Japan Tobacco Inc. Process for producing potato microtubers
US5811372A (en) * 1997-05-21 1998-09-22 Platte Chemical Company Method of controlling sprout formation in potatoes by selective application of chlorpropham, carvone, benzothiazole and ethylene

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0223740A (en) * 1988-07-12 1990-01-25 Fujitsu Ltd Communication network system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0764401A1 (en) * 1995-04-03 1997-03-26 Japan Tobacco Inc. Process for producing potato microtubers
JPH0923740A (en) * 1995-07-10 1997-01-28 Norin Suisansyo Hokkaido Nogyo Shikenjo Storage of root vegetables
US5811372A (en) * 1997-05-21 1998-09-22 Platte Chemical Company Method of controlling sprout formation in potatoes by selective application of chlorpropham, carvone, benzothiazole and ethylene

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GB0307896D0 (en) 2003-05-14
EP1613165A1 (en) 2006-01-11
WO2004089094A1 (en) 2004-10-21

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