WO2005065454A1 - ダイズの栽培期間短縮剤または収量向上剤及びダイズの栽培期間短縮方法または収量向上方法 - Google Patents
ダイズの栽培期間短縮剤または収量向上剤及びダイズの栽培期間短縮方法または収量向上方法 Download PDFInfo
- Publication number
- WO2005065454A1 WO2005065454A1 PCT/JP2004/016705 JP2004016705W WO2005065454A1 WO 2005065454 A1 WO2005065454 A1 WO 2005065454A1 JP 2004016705 W JP2004016705 W JP 2004016705W WO 2005065454 A1 WO2005065454 A1 WO 2005065454A1
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- WO
- WIPO (PCT)
- Prior art keywords
- soybean
- cultivation period
- proline
- crop yield
- cultivation
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
Definitions
- the present invention relates to a method for shortening the cultivation period of soybean or a method for improving the yield, and more particularly, a method for reducing the cultivation period of soybean or improving the yield.
- BACKGROUND ART Soybean is a crop in which it is very difficult to obtain high yields compared to the gramineous crop of maize.
- the United States is a global soybean producer, but over the past 50 years, corn yields have more than tripled, while soybeans have only increased 1.5 times.
- the large increase in yield of maize, wheat, etc. is largely attributable to the increased input of fertilizers, especially nitrogen fertilizers. These crops respond to nitrogen fertilizers and increase yields.
- inorganic nitrogen in fertilizers has the property of promoting foliage growth (Hoshinobu, Junya Ishizuka, Hirohiro Nishi). Influence “Hokkaido Agricultural Research Report 1 2 2: 1 3-5 4 (19778)), and an enzyme that reduces nitrate nitrogen, which accounts for the majority of inorganic nitrogen from soil B (nitrate reductase) (Sinclair TR, de Wit CT: Photosynthase and nitrogen requirement for seed production by various crops, Sciense 189: 565-567 (1975)).
- soybeans are harvested earlier than the appropriate time to harvest, they will take longer to dry and may leave a bluish grain, degrading the quality. On the other hand, if left for a long time, pods will break and quality will deteriorate. Harvesting a few days before maturity does not affect grain weight, so it is important to harvest a little earlier. Therefore, in order to improve the quality, it is desirable that the soybean cultivated at the time of harvesting be uniform.
- Japanese Patent Publication No. 46-42566 discloses a flower bud formation promoter comprising proline and at least one of nucleobases peracyl and cytosine.
- JP-A-48-67051 discloses an agent for promoting fruit set and fruit hypertrophy comprising at least one nucleoside or nucleotide and proline.
- JP-A-62-264891 discloses that at least one compound selected from the group consisting of proline, cytosine, peracyl, cytosine nucleoside, cytosine nucleoside, peracyl nucleoside and peracyl nucleotide. And fertilizers containing hydrolysates of photosynthetic bacteria '' and reported that such fertilizers have an effect of increasing fruit in addition to promoting flower bud formation. are doing. Furthermore, Japanese Patent Publication No. 2003-48803 also reports that flower bud formation is promoted by spraying a proline aqueous solution on the leaves.
- soybeans not all of the flowers that have blossomed form pods. Normally, there are many flowers from the beginning of flowering until about one week, but the rate of pod setting is low, and flowering is not possible until 10 to 15 days. Small but high pod setting rate. Since then, the number of flowers that have blossomed and the pod setting have also declined (Hiroshi Kurihara, Kozo Chiba, “Zu-zou / Basic Knowledge of Crop Cultivation”, Agricultural and Mountain Fishing Village Cultural Association, published in 2000). In addition, the amount of sunshine from the flowering period to the maximum republic period greatly affects the yield of soybeans (Jouji Arihara, “Soybean Stable High Yield Innovation Technology”, published by the Agricultural and Mountain Fishing Village Cultural Association 2000).
- An object of the present invention is to provide an excellent soybean cultivation method that avoids the problems associated with such conventional soybean cultivation methods.
- the present invention provides a soybean cultivation period shortening agent or a yield improving agent comprising proline as an active ingredient, and a soybean plant leaf surface comprising the soybean cultivation period shortening agent or the yield improving agent.
- the present invention also relates to a method for shortening the cultivation period of soybean or improving the yield, characterized in that the soybean is sprayed a plurality of times from the start of flower bud formation to the yellow leaf stage.
- the present invention relates to a method for accelerating the English settlement and shortening the cultivation period by spraying proline several times on the leaves from the beginning of flowering in soybean cultivation, from the start of flowering, or It relates to a method to increase the final grain yield by increasing the number of grains per unit.
- Proline to be used in the present invention is L-integrated (L-proline) for reasons of compatibility with plants.
- Such a proline is preferably in the form of an aqueous solution, which is applied to soybean plants in this form, at a concentration of 5 to 500 mg / l, preferably 20 to 1.0 mg / l. 0 mg / l, more preferably 20 to 50 O mgZl. If the concentration is too low, the effect of proline application will not be exhibited, while if it is too high, growth suppression will occur. is there.
- pesticides and attractants for controlling pests as well as disinfectants, surfactants, and preservatives from the viewpoint of spreading agents and decay prevention may not be used. Needless to say.
- proline be sprayed on the foliage at a time when flower bud formation begins.
- the plant height of the soybean at the flowering stage is about 14 at the maximum (see Hiroshi Kurihara and Kozo Chiba in " Illustrations ⁇ Basic knowledge of crop cultivation ”published by the Association of Agricultural and Mountain Fishing Villages 2000).
- the diz has a long period of vegetative and reproductive growth. Therefore, it is preferable to perform the spraying of the foliage on the soybean plant a plurality of times, starting from the time when the second compound leaf or the third compound leaf develops and form flower buds, and until the time when the yellowing of the leaves starts (the yellow leaf stage).
- a proline aqueous solution having a concentration of 40 to 500 mg / l, for example, a concentration of 20 Omg / l is applied to leaves per plant once a week for about two months from the flower bud formation period, for example. Spray about 1 O ml.
- the application method is preferably foliar spraying (spraying of an aqueous solution) for the purpose of preventing the decomposition of proline by soil microorganisms.
- the leaf surface may be either the front surface or the back surface of the leaf, but the back surface absorbs proline. It is considered better. Needless to say, proline sprayed on the soil during foliar application can also be absorbed from the roots and become nutrients for soybean plants.
- Approach BI (manufactured by Kao Corporation, polyoxyethylene hexyl fatty acid ester 50%, water 50%, etc.) was used as a spreading agent, and 0.87 mM was used as a spreading agent in the urea section (Urea section). Urea was added, and in the proline section (Pro section), 1.4 mM proline was added as a spreading agent.
- a spreading agent area a spreading agent-only area was set up, and a total of 3 areas were sprayed on the foliage with 15 plants in each area.
- Foliar spraying was started on March 12 and sprayed at a rate of 8 ml per plant every week. At the time of spraying, the pot was covered with a wrap to prevent the spray liquid from scattering on the soil. After confirming that the wrap and leaf surfaces were dry, the wrap was removed.
- soybean plants in which two primary leaves and first and second double leaves were developed were used as materials. At this stage when spraying started, flower bud formation was observed in the soybean seedlings. Spraying was performed 8 times (for 2 months), using a total of 45 strains, 15 spreads in each of the spreader, urea and proline sections.
- the growth was promoted in the urea sprayed area, and the plant height was higher than in the spreader area.
- the plant height seemed to be lower and growth was suppressed compared to the spreader plot (Fig. 1).
- the pod formation was the earliest in the proline group, and pods were formed in all strains 5 weeks after spraying, whereas about half of the pod formation in the spreading agent and urea groups was simultaneous. It only formed pods in the strain. In these plots, pods became visible in all strains two weeks later ( Figure 2).
- the number of pods in the proline plot tended to be larger than that in other plots.
- Pods were harvested on May 31st, and total pod counts, 1 pod count (1 pod with one grain), 2 pods (2 English numbers with 2 seeds) and 3 The number of pods (the number of pods with three grains) was investigated. After drying the harvested seeds for one hour, the seed weight was measured. As a result, the difference in the number of pods from the proline section became smaller as the urea section and the spreader section matured, but finally, the proline section and the urea section became the alphanumeric of the spreader section. They were 1.2 times and 1.1 times respectively (Table 1 below). Furthermore, the total grain size was 1.39 times and 1.24 times higher in the proline and urea groups than in the spreader group, and the total grain weight was 1.40 times and 1.31 times.
- the effect of improving the growth of a soybean plant by spraying proline from the leaf surface of the soybean plant is recognized, and it is possible to finally improve the yield of grain . Furthermore, the cultivation period is shortened due to the early formation of pods, and the uniform growth can improve the quality and reduce the labor and cost of cultivation management such as pest control. Therefore, the benefits of the present invention to soybean cultivation agriculture are extremely large.
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Cultivation Of Plants (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004000116 | 2004-01-05 | ||
JP2004-000116 | 2004-01-05 |
Publications (1)
Publication Number | Publication Date |
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WO2005065454A1 true WO2005065454A1 (ja) | 2005-07-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/016705 WO2005065454A1 (ja) | 2004-01-05 | 2004-11-04 | ダイズの栽培期間短縮剤または収量向上剤及びダイズの栽培期間短縮方法または収量向上方法 |
Country Status (1)
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WO (1) | WO2005065454A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0458825A (ja) * | 1990-06-27 | 1992-02-25 | Mitsui Toatsu Chem Inc | 豆科作物の低温障害を軽減する方法 |
JPH0710718A (ja) * | 1993-06-22 | 1995-01-13 | Mitsui Toatsu Chem Inc | 豆科作物の落莢を防止する方法 |
WO2003013240A1 (fr) * | 2001-08-02 | 2003-02-20 | Ajinomoto Co., Inc. | Agents d'amelioration des qualites de fruits/graines |
-
2004
- 2004-11-04 WO PCT/JP2004/016705 patent/WO2005065454A1/ja not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0458825A (ja) * | 1990-06-27 | 1992-02-25 | Mitsui Toatsu Chem Inc | 豆科作物の低温障害を軽減する方法 |
JPH0710718A (ja) * | 1993-06-22 | 1995-01-13 | Mitsui Toatsu Chem Inc | 豆科作物の落莢を防止する方法 |
WO2003013240A1 (fr) * | 2001-08-02 | 2003-02-20 | Ajinomoto Co., Inc. | Agents d'amelioration des qualites de fruits/graines |
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