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Plant growth regulator and use thereof 実績あり

外国特許コード F110003329
整理番号 A181-19WO
掲載日 2011年6月22日
出願国 アメリカ合衆国
出願番号 51858107
公報番号 20100016166
公報番号 8999888
出願日 平成19年12月10日(2007.12.10)
公報発行日 平成22年1月21日(2010.1.21)
公報発行日 平成27年4月7日(2015.4.7)
国際出願番号 JP2007073795
国際公開番号 WO2008072602
国際出願日 平成19年12月10日(2007.12.10)
国際公開日 平成20年6月19日(2008.6.19)
優先権データ
  • 特願2006-333635 (2006.12.11) JP
  • 2007WO-JP73795 (2007.12.10) WO
発明の名称 (英語) Plant growth regulator and use thereof 実績あり
発明の概要(英語) (US8999888)
A plant growth regulator containing glutathione allows increasing harvest index.
This provides a technique for specifying a control factor for a plant, thereby effectively controlling germination, growth, anthesis etc. of the plant.
特許請求の範囲(英語) [claim1]
1. A method for preparing a plant having increased harvest index compared to a harvest index of a wild type plant or untreated plant, comprising the steps of: applying oxidized glutathione to a plant, or to soil with which a plant is to be cultivated;
cultivating the plant,
wherein a total amount of the applied glutathione with which the plant is cultivated is in the range (i) between 2.5 mg and 1470 mg per one individual plant, or (ii) between 0.82 mg and 1800 mg per one liter of soil;
measuring an amount of harvest of the plant;
calculating a harvest index of the plant; and
wherein a plant having a harvest index that is higher than the harvest index of the wild type plant or untreated plant is thereby prepared.
[claim2]
2. The method as set forth in claim 1, wherein the glutathione is supplied intermittently.
[claim3]
3. The method as set forth in claim 1, wherein the glutathione is supplied at around a time of transition from vegetative to reproductive development.
[claim4]
4. The method as set forth in claim 1, wherein the amount of harvest is selected from the group consisting of a weight of harvest, number of harvest, and amount of biomass of harvest.
[claim5]
5. The method as set forth in claim 4, wherein the harvest is at least one selected from the group consisting of fruit, seeds, stems, roots, flowers and leaves.
[claim6]
6. The method as set forth in claim 1, wherein applying glutathione to the plant or to soil comprises applying the glutathione intermittently.
[claim7]
7. The method as set forth in claim 1, wherein applying glutathione to the plant or to soil comprises applying the glutathione at about a time the plant transitions from vegetative to reproductive development.
[claim8]
8. The method as set forth in claim 1, wherein applying glutathione to the plant or to soil comprises applying the glutathione at a time ranging from a time of transition from vegetative to reproductive development to about a time of bolting.
[claim9]
9. The method as set forth in claim 1, wherein the plant is a mutant or transformant plant.
[claim10]
10. The method as set forth in claim 9, wherein the plant is a transformant plant to which a gene for encoding glutathione-binding plastid-type fructose-1,6-bisphosphate aldolase (gFBA) is introduced.
[claim11]
11. A method for preparing a plant having an increased number of seeds and/or flowers compared to a number of seeds and/or flowers of a wild type plant or untreated plant, comprising the steps of: applying oxidized glutathione to a plant, or to soil with which a plant is to be cultivated;
cultivating the plant,
wherein a total amount of the applied glutathione with which the plant is cultivated is in the range (i) between 2.5 mg and 1470 mg per one individual plant, or (ii) between 0.82 mg and 1800 mg per one liter of soil;
measuring the number of seeds and/or the flowers of the plant; and
wherein a plant having a number of seeds and/or flowers that is higher than the number of seeds and/or flowers of the wild type plant or untreated plant is thereby prepared.
[claim12]
12. A method for preparing a plant having an increased number of lateral shoots and/or tillers compared to a number of lateral shoots and/or tillers of a wild type plant or untreated plant, comprising the steps of: applying oxidized glutathione to a plant, or to soil with which a plant is to be cultivated;
cultivating the plant,
wherein a total amount of the applied glutathione with which the plant is cultivated is in the range (i) between 2.5 mg and 1470 mg per one individual plant, or (ii) between 0.82 mg and 1800 mg per one liter of soil;
measuring the number of lateral shoots and/or tillers of the plant; and
wherein a plant having a number of lateral shoots and/or tillers that is higher than the number of lateral shoots and/or tillers of the wild type plant or untreated plant is thereby prepared.
[claim13]
13. The method as set forth in claim 12, wherein the plant has mutation in a function for synthesizing a plant hormone and/or a function for responding to a plant hormone.
[claim14]
14. The method as set forth in claim 13, wherein the plant hormone is gibberellin.
  • 発明者/出願人(英語)
  • OGAWA KENICHI
  • HENMI KENJI
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • OKAYAMA PREFECTURE
国際特許分類(IPC)
参考情報 (研究プロジェクト等) CREST Plants Function and Their Control AREA
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