WO2016021204A1 - 植物生育促進剤及び植物生育促進方法 - Google Patents
植物生育促進剤及び植物生育促進方法 Download PDFInfo
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- WO2016021204A1 WO2016021204A1 PCT/JP2015/003968 JP2015003968W WO2016021204A1 WO 2016021204 A1 WO2016021204 A1 WO 2016021204A1 JP 2015003968 W JP2015003968 W JP 2015003968W WO 2016021204 A1 WO2016021204 A1 WO 2016021204A1
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- plant growth
- lactic acid
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- soil
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- 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
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/20—Bacteria; Substances produced thereby or obtained therefrom
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/35—Bulbs; Alliums, e.g. onions or leeks
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
Definitions
- the present invention relates to a plant growth promoter and a plant growth promotion method capable of promoting plant growth.
- Patent Document 1 discloses that an improved fertilizer containing fertilizer particles, lactic acid bacteria, and Bacillus bacteria has an effect of enhancing plant growth, growth, or yield.
- Patent Document 2 discloses a soil-improving material obtained by mixing a water-absorbing material obtained by graft polymerization of acrylonitrile on grass charcoal and a microbial material obtained by adding bacteria such as lactic acid bacteria to the base material. It has been disclosed to have a growth promoting effect on plants.
- Patent Document 3 discloses a plant compost that includes a fermented product obtained by mixing and fermenting corn residue and rice bran and okara, powdered charcoal, and useful microorganisms including lactic acid bacteria and yeast. Yes. However, these documents do not disclose that lactic acid bacteria themselves have a plant growth promoting action.
- Patent Document 4 discloses a fertilizer obtained by fermenting effluent discharged when compost is made with yeast and plant lactic acid bacteria.
- the fertilizer contains three major elements and minerals, and also contains plant lactic acid bacteria, which activates good microorganisms that have a positive effect on the soil by the action of plant lactic acid bacteria, while suppressing the growth of diseases and pests. So it is described to grow plants without resorting to chemical fertilizers or pesticides.
- lactic acid bacteria themselves have an effect of promoting plant growth.
- Patent Document 5 discloses that Pseudomonas bacteria having plant growth promoting activity are mixed and cultured with lactic acid bacteria to impart plant growth promoting activity to lactic acid bacteria.
- this document describes that the original lactic acid bacterium itself has no plant growth promoting action (paragraph 0005), and does not suggest the present invention.
- Patent Document 6 a seed-containing tablet in which useful bacteria such as lactic acid bacteria and a substrate thereof are coated around seeds and calcium peroxide and sand are coated around the seeds is sufficient for healthy growth of seeds. Guaranteeing harvest is disclosed.
- a substrate such as chitins and calcium peroxide are essential, and the treatment with lactic acid bacteria alone is not disclosed.
- this document treats useful bacteria on seeds, and also discloses that a lactic acid bacterium is treated on a growing plant body and soil, and that a plant growth promoting effect can be obtained thereby. Absent.
- Japanese Unexamined Patent Publication No. 2009-201459 Japanese Unexamined Patent Publication No. 2007-138123 Japanese Unexamined Patent Publication No. 2007-169096 Japanese Unexamined Patent Publication No. 2009-007229 Japanese Unexamined Patent Publication No. 2009-249301 Japanese Patent Publication No. 1-42641 Japanese Unexamined Patent Publication No. 2009-201459
- the present embodiment has been made on the basis of such knowledge, and an object thereof is to provide a novel plant growth promoter and a plant growth promotion method using the same.
- Examples of the present embodiment include the following embodiments.
- [1] A plant growth promoter containing lactic acid bacteria having a plant growth promoting action.
- [2] The plant growth promoter according to [1], wherein the lactic acid bacteria having a plant growth promoting action are microorganisms belonging to the genus Lactobacillus.
- [3] The plant growth promoter according to [2], wherein the lactic acid bacterium having a plant growth promoting action is a microorganism belonging to Lactobacillus plantarum.
- [4] The plant growth promoter according to [3], wherein the lactic acid bacterium having a plant growth promoting action is Lactobacillus plantarum FERM BP-21501 strain.
- the plant growth promoting method according to [7], wherein the lactic acid bacterium having a plant growth promoting action is Lactobacillus plantarum FERM BP-21501 strain.
- the plant growth promotion method according to [7] or [8], wherein the plant body to be treated is a young plant body.
- the growth of the plant body can be promoted and the yield can be increased by treating the seed, the plant body or the soil.
- the plant growth promoter according to the present embodiment contains lactic acid bacteria having a plant growth promoting action.
- lactic acid bacteria used in the present embodiment have the ability to promote the growth of plant bodies, that is, the plant growth promoting activity.
- lactic acid bacteria are (1) Gram-positive, (2) Bacilli or cocci, (3) Catalase negative, (4) Producing 50% or more lactic acid with respect to consumed glucose, (5) It shall satisfy the condition that it does not form endogenous spores and (6) non-motile or rarely shows motility.
- Lactobacillus plantarum Lactobacillus mali, Lactobacillus suebicus, Lactobacillus alimentarius, Lactobacillus sakei, Lactobacillus pentosus, Lactobacillus brevis, Lactobacillus malefermentans, Lactobacillus actactislus Lactobacillus ophilactis, ), Pediococcus pentosaceus, Pediococcus acidilactici, Pediococcus parvulus, Pediococcus damnosus, Pediococcus halophilus, etc.Pediococcus, Lactococcus lactis, The genus (Carnobacterium), Weissella minor (Weissella), Atopobium parvulus (Atopobium), Streptococcus bovis and other Streptococcus (Str eptococcus), Enterococcus avium, Enterococcus, Vagococcus
- Lactobacillus plantarum FERM BP-21501 strain (hereinafter referred to as SOK04BY strain).
- the SOK04BY strain is as described in Japanese Patent Application Laid-Open No. 2009-201459, and the morphological, cultural and physiological properties are as shown in Table 1 below.
- the deposits are as follows.
- the SOK04BY strain has an excellent plant growth promoting action. Therefore, the plant growth promoter according to a preferred embodiment can significantly promote the growth of the plant body by containing the SOK04BY strain. As long as the plant growth promoter of this preferred embodiment contains the SOK04BY strain, it may consist of only the SOK04BY strain, or may contain other components together with the SOK04BY strain. As the SOK04BY strain, dead cells may be used, but live bacteria are preferably used in order to exert an excellent plant growth promoting action.
- the form of the plant growth promoter is not particularly limited, and includes forms that can be taken by ordinary microbial materials, such as granules, powders, wettable powders, packs, wettable powders, microcapsules, and emulsions. It can be prepared in any dosage form and can be used according to the purpose.
- the lactic acid bacteria can be adsorbed on a pharmaceutically acceptable carrier and provided as a wettable powder, powder or granule.
- diatomaceous earth, clay, talc, perlite, rice husk, bone meal, white carbon, etc. can be used as the carrier.
- surfactants, dispersants, adjuvants and the like can be used as pharmaceutically acceptable additives.
- the concentration of the lactic acid bacteria (for example, SOK04BY strain) contained in the plant growth promoter according to this embodiment is not particularly limited, and may be 1 ⁇ 10 3 to 1 ⁇ 10 11 cfu (colony forming unit) / g. Alternatively, it may be 1 ⁇ 10 4 to 1 ⁇ 10 11 cfu / g, and further may be 1 ⁇ 10 6 to 1 ⁇ 10 10 cfu (colony forming unit) / g.
- the lactic acid bacterium may be a culture solution itself.
- the concentration of lactic acid bacteria in the preparation before dilution is preferably 1 ⁇ 10 8 to 1 ⁇ 10 11 cfu / g.
- the concentration of lactic acid bacteria when treating seeds, plants or soil is 1 ⁇ 10 3 to 1 ⁇ 10 10 cfu / It is preferably ml, more preferably 1 ⁇ 10 6 to 1 ⁇ 10 8 cfu / ml.
- the plant growth promoting method according to the present embodiment is a method in which the lactic acid bacterium is treated into at least one selected from the group consisting of seeds, plants and soil.
- the plant body refers to those after germination and does not include seeds before germination.
- a growing plant having stems, leaves and roots is preferred, and a young plant is more preferred.
- the young plant body is a young plant body that has just germinated from the seed, and is an earlier plant body that includes the time of transplanting, for example, a seedling.
- the soil may be any soil for growing plants, and includes soil in the field, culture soil, seedling soil, sowing soil, and the like.
- Examples of the treatment method for such seeds, plants, and soil include the following methods.
- a method of treating seeds, plants and / or soil with a plant growth promoter comprising a liquid in which the lactic acid bacteria are dispersed.
- the method includes immersing the roots of seedlings before planting (transplanting) in a dispersion of lactic acid bacteria, spraying the dispersion of lactic acid bacteria onto leaves, stems, and the like, and growing plants and their rhizosphere in the lactic acid bacteria (For example, irrigation on the seedlings before transplanting and the soil in which the seedlings are growing, or irrigation on the plants after planting and the soil on which the plants are growing, etc.) ), Spraying or irrigating the dispersion of lactic acid bacteria on the soil before planting (for example, field soil or culture soil), and spraying or irrigating the dispersion of lactic acid bacteria on the sowing soil or seedling soil before sowing To include.
- a plant growth promoter for example, a culture solution of a strain
- a method of treating seeds, plants and / or soil with a powder or granular plant growth promoter prepared by powdering the lactic acid bacteria themselves or attaching them to a carrier is sprinkled on the soil during seedling, sprinkled on the soil in the field after planting, and mixed in the culture soil or soil in the field (mixing). ) And mixing with sowing soil or seedling soil before sowing (mixing).
- examples of plants to which the plant growth promoter is applied include, for example, eggplant crops such as tomatoes, peppers, eggplants, potatoes, petunias, rice crops such as rice and corn, leeks, onions, tulips, Lilies such as lilies, cucumbers such as cucumbers, watermelons and pumpkins, cabbages, Chinese cabbage, radish, stocks, habuttons, cruciferous crops such as Mizuna, red crustacean crops such as spinach, taros such as taro, color, potos Rosaceae, strawberry, ume, peach, apple and other legumes, soybean, azuki bean, etc., carrot, parsley, etc., burdock, lettuce, chrysanthemum, cosmos, sunflower, etc.
- eggplant crops such as tomatoes, peppers, eggplants, potatoes, petunias
- rice crops such as rice and corn
- leeks, onions, tulips Lilies such as lilies, cucumbers such as cucumbers, watermelons and pumpkins, cabbages,
- Iridaceae crops such as Iridaceae crops such as statice, cents -Cultivate crops such as squid, snapdragons, torenia, etc., carnations, gypsophila crops such as gypsophila, convolvulaceae crops such as morning glory, cicada crops such as daffodils, orchid crops such as cattleya and cymbidium Oysters, mulberries such as figs, vines such as grapes, beech crops such as chestnuts, citrus crops such as Wenzhou mandarin oranges, lemons, and terataceae crops such as kiwifruit. Any one of the above can be applied.
- the plant to be applied may be at least one selected from the group consisting of solanaceous crops, gramineous crops, liliaceous crops, and cucurbits.
- the growth of the plant body is promoted by treating the seed, the plant body and / or the soil on which the plant body grows using a strain having a plant growth promoting action among the lactic acid bacteria, and the vegetable And the yield of cereals and fruits can be increased.
- Tomato seeds (variety: House Momotaro) were sown (one grain per pot) in a vinyl pot (6 cm in diameter) packed with commercially available culture soil (Nippi Horticultural Culture No. 1, manufactured by Nippon Fertilizer Co., Ltd.). Thirty-two days after sowing, a 200-fold solution of a lactic acid bacterium preparation containing SOK04BY strain (a solution obtained by diluting 1 g of lactic acid bacterium preparation in 200 mL of distilled water) was irrigated with 20 mL per pot, and this was used as a bacterial treatment section.
- SOK04BY strain a 200-fold solution of a lactic acid bacterium preparation containing SOK04BY strain
- lactic acid bacteria preparation 10% by mass of SOK04BY strain, 0.5% by mass of sodium lauryl sulfate, 4.5% by mass of sodium lignin sulfonate, 2.5% by mass of white carbon, and 82.5% by mass of clay are uniformly mixed. What was prepared by grind
- tomatoes were harvested 75 days, 78 days, 83 days, 86 days, and 89 days after planting, and the effect of the SOK04BY strain on the tomato yield was examined.
- the results are as shown in Table 3.
- the number of harvested fruits in Table 3 is the yield up to the third fruit bunker, and the total parenthesis is the ratio of the total yield of the fungus treated area when the total yield of the untreated area is taken as 100.
- the tomato yield increased by 37% in the fungus-treated group treated with the SOK04BY strain compared to the untreated group.
- Example 2 Influence on growth of tomato, pot test
- tomato seedlings variety: House Momotaro
- tomato seedlings were irrigated with 10 mL of the above-mentioned lactic acid bacteria preparation containing SOK04BY strain per strain, and this was used as the bacterial treatment section.
- distilled water was irrigated with the same amount, and this was used as an untreated section.
- Test Example 1 The test was conducted on Test Example 1 cultivated in a vinyl house for 31 days from May to June and Test Example 2 cultivated in a vinyl house for 28 days from November to December.
- Test Example 2 the stock weight was measured after completion of cultivation
- Test Example 2 the stock weight and plant height were measured after completion of cultivation.
- the stock weight and plant height are the average values for each section, and the results are shown in Table 4 below.
- Example 3 Effect on yield of tomato, field test (2)
- the following year of the field test of Example 1 was carried out.
- 10 plants ⁇ 3 repetitions (30 plants in total) were planted in a vinyl house (1.5 m wide, 0.5 m between plants) and cultivated tomatoes. The planting time is mid-April.
- the tomato yield in Table 5 is the mass of tomato harvested up to the fifth fruit bunker, and the “ratio to untreated section” is a ratio with the untreated section as 100.
- Example 4 Effect on rice yield, field test
- a 200-fold solution of the above lactic acid bacteria preparation containing SOK04BY strain was added to the seedling box 1 L was irrigated per box, and this was designated as a fungus treatment area.
- 1 L of distilled water was irrigated per box, and this was designated as an untreated section.
- the day after the irrigation rice seedlings were transplanted into paddy fields to grow rice. The transplanting time is mid-June.
- a pruning survey was conducted in mid-October to measure the weight of the polished brown rice, and the results of the weight of the polished rice per paddy area 10a (ie, 1000 m 2 ) are shown in Table 6 below.
- Example 5 Effect on growth of rice, pot test
- rice seedlings (cultivar: Hinohikari) about 20 days after sowing were irrigated with 1 L of the above lactic acid bacteria preparation containing SOK04BY strain per 1 seedling box, and this was treated with bacteria. It was. Further, as a control, distilled water was irrigated with the same amount, and this was used as an untreated section. The day after irrigation, three rice seedlings were transplanted into 500 mL cups and cultivated for one month. In each section, 6 cups ⁇ 4 repetitions (24 cups in total) were used.
- Test Example 2 rice (cultivar: Koshihikari) seedlings about 20 days after sowing were used. At the time of transplantation, the rice seedlings were soaked in a cell suspension (1 ⁇ 10 8 cfu / g) of the SOK04BY strain, and then 3 strains were transplanted in 500 mL cups and cultivated for 1 month. Treated as a treatment area. Moreover, what was immersed in distilled water instead of the cell suspension as a control was defined as an untreated section. In each section, 6 cups ⁇ 4 repetitions (24 cups in total) were used.
- the plant height, the number of divisions, the above-ground weight and the root weight of rice after one month cultivation were investigated. These values are average values for each section, and the results are shown in Table 7 below.
- Table 7 in both the test example 1 and the test example 2, the number of divisions increased in the bacteria-treated group compared to the untreated group. In view of the fact that rice grows with every division, the increase in the number of divisions can be expected to increase the yield.
- Test Example 2 the above-ground weight of the bacteria-treated area was larger than that of the untreated area, and growth was promoted from this point.
- the root weight was larger in the bacteria-treated area than in the untreated area, so that further growth could be expected. It was.
- Example 6 Effect on growth of leek, pot test
- Seeds of leek seeds (variety: black thousand) in 200-well cell trays (volume per cell: 14 mL) packed with commercially available culture soil (Nippi Horticultural Culture No. 1, manufactured by Nippon Fertilizer Co., Ltd.) (3 per cell) )did. 50 days after sowing, 5 mL of a 100-fold solution of the above lactic acid bacterium preparation containing the SOK04BY strain was irrigated per cell, and this was used as a microbial treatment group. Moreover, 5 mL of distilled water was irrigated per cell as control, and this was made into the untreated section.
- Example 7 Effect on the growth of red pepper
- 10 g of the above lactic acid bacteria preparation containing SOK04BY strain is mixed with 2 L of commercially available seedling soil (Metromix, manufactured by Hyponex Japan Co., Ltd.), filled into 100 holes of a 200-well cell tray (volume per cell: 14 mL), and pepper seeds ( Variety: Fushimi red pepper) was sown (1 grain per cell) and 5 mL per cell was irrigated, and this was used as a fungus treatment area.
- a lactic acid bacterium preparation was not mixed, and the others were seeded and irrigated in the same manner as in the bacterium-treated group, and the untreated group.
- the pot was put up in a vinyl pot having a diameter of 10.5 cm 22 days after sowing. Potting was 12 pots x 5 repetitions (60 pots in total) in each ward, and the plant height, the number of leaves, and the ground weight were investigated as the growth state 19 days after the potting.
- the plants were planted 22 days after sowing, and the plant height, the number of leaves, and the ground weight were investigated 15 days after the planting. The results are shown in Table 10 below.
- Example 8 Effect on growth of cucumber
- a 100-fold mixed soil mixed with 0.1 L of a commercially available seedling soil (Metromix, manufactured by Hyponex Japan) and a 1000-fold mixed soil mixed with 1 L were prepared per 1 g of the lactic acid bacteria preparation containing the SOK04BY strain.
- These mixed soils were filled in 16 holes of a 128-well cell tray (volume per cell: 22 mL) (3 repetitions each), and cucumber seeds (variety: Zubali 163) were seeded (1 grain per cell). 7 mL per cell was irrigated, and this was designated as a fungus treatment group (100-fold mixed section, 1000-fold mixed section).
- a lactic acid bacterium preparation was not mixed, and the others were seeded and irrigated in the same manner as in the bacterium-treated group, and the untreated group. After irrigation, the plants were cultivated in a greenhouse maintained at a minimum temperature of 20 ° C. The test was performed twice, the first time 11 days after sowing, and the second time 10 days after sowing, the plant height and the above-ground weight were investigated as the growth state. Plant height and above-ground weight are average values for each section. The respective results are shown in Table 11 below.
- the untreated group and the 100-fold mixed group were potted in a 10.5 cm diameter vinyl pot 11 days after sowing.
- the potting was 6 pots ⁇ 3 repetitions (18 pots in total) in each section, and the plant height and the above-ground weight were investigated as the growth state 13 days after the potting.
- the plants were raised 10 days after sowing, and the plant height and the ground weight were examined 9 days after the sowing. The results are shown in Table 12 below.
- the growth of plants can be promoted and the yield of vegetables, grains, fruits, etc. can be increased, which can contribute to efficient agricultural management.
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Abstract
Description
[1]植物生育促進作用を有する乳酸菌を含む植物生育促進剤。
[2]植物生育促進作用を有する乳酸菌がラクトバチルス属に属する微生物である[1]に記載の植物生育促進剤。
[3]植物生育促進作用を有する乳酸菌がラクトバチルス・プランタラム(Lactobacillus plantarum)に属する微生物である[2]に記載の植物生育促進剤。
[4]植物生育促進作用を有する乳酸菌がラクトバチルス・プランタラム(Lactobacillus plantarum)FERM BP-21501菌株である[3]に記載の植物生育促進剤。
[5]種子、植物体及び土壌からなる群から選択される少なくとも1つに処理するために用いられる[1]~[4]のいずれか1項に記載の植物生育促進剤。
[6]幼植物体に処理するために用いられる[1]~[4]のいずれか1項に記載の植物生育促進剤。
[7]植物生育促進作用を有する乳酸菌を、種子、植物体及び土壌からなる群から選択される少なくとも1つに処理することを特徴とする植物生育促進方法。
[8]前記植物生育促進作用を有する乳酸菌がラクトバチルス・プランタラム(Lactobacillus plantarum)FERM BP-21501菌株である[7]に記載の植物生育促進方法。
[9]処理する植物体が幼植物体である[7]又は[8]に記載の植物生育促進方法。
SOK04BY株については、日本国特開2009-201459号公報に記載されている通りであり、イカの塩辛を分離源とし、その形態的、培養的及び生理学的性質は下記表1の通りであって、次の通り寄託されている。
・寄託機関の名称:独立行政法人製品評価技術基盤機構 特許生物寄託センター(国内寄託日での名称:独立行政法人産業技術総合研究所 特許生物寄託センター)
・寄託機関の住所:郵便番号292-0818 日本国千葉県木更津市かずさ鎌足2-5-8 120号室
・寄託日:2008年2月5日(国内寄託日)
・受託番号:FERM BP-21501(2008年2月5日に国内寄託されたFERM P-21501について、ブダペスト条約に基づく国際寄託への移管請求が2015年4月30日に受領された。)
市販の培養土(ニッピ園芸培土1号、日本肥糧株式会社製)を詰めたビニルポット(直径6cm)にトマト種子(品種:ハウス桃太郎)を播種(1ポット当たり1粒)した。播種してから32日後に、SOK04BY株を含む乳酸菌製剤の200倍液(乳酸菌製剤1gを200mLの蒸留水に希釈した液)を、1ポット当たり20mL灌注し、これを菌処理区とした。また、コントロールとして、蒸留水を1ポット当たり20mL灌注し、これを無処理区とした。灌注した翌日に、トマトの苗を、ビニルハウスに定植した。詳細には、畝幅1.5m、株間0.5mとし、各区ともに4株×3反復にて定植した。すなわち、各区、4株をひとまとまりとし、それをハウス内に分散して3ヶ所に、計12株を定植した。定植時期は4月下旬である。
播種後約40日のトマト苗(品種:ハウス桃太郎)に、SOK04BY株を含む上記乳酸菌製剤の200倍液を、1株当たり10mL灌注処理し、これを菌処理区とした。また、コントロールとして、蒸留水を同量灌注処理し、これを無処理区とした。灌注した翌日に、トマト苗を大型ポット(直径20cm)に移植して、無加温のビニルハウスで栽培した。各区20ポットとした。試験は、5月から6月にかけての31日間ビニルハウスで栽培した試験例1と、11月から12月にかけての28日間ビニルハウスで栽培した試験例2について行った。試験例1では、栽培終了後に株重を測定し、試験例2では、栽培終了後に株重と草丈を測定した。株重と草丈は各区の平均値であり、結果を下記表4に示した。
実施例1の圃場試験の翌年に実施した。ビニルポット(直径6cm)で生育したトマト苗(品種:ハウス桃太郎)に対し、定植前日に、SOK04BY株を含む上記乳酸菌製剤の200倍液を、1ポット当たり20mL灌注し、これを菌処理区とした。また、コントロールとして、蒸留水を1ポット当たり20mL灌注し、これを無処理区とした。各区ともに10株×3反復(計30株)としてビニルハウスに定植(畝幅1.5m、株間0.5m)し、トマトを栽培した。定植時期は4月中旬である。
育苗箱(内寸580×280×28mm)にて播種後約20日間育成したイネ(品種:コシヒカリ)の苗に対し、移植前日に、SOK04BY株を含む上記乳酸菌製剤の200倍液を、育苗箱1箱当たり1L灌注し、これを菌処理区とした。また、コントロールとして、蒸留水を1箱当たり1L灌注し、これを無処理区とした。灌注した翌日に、イネの苗を水田に移植して、イネを栽培した。移植時期は6月中旬である。10月中旬に坪刈調査を行って、精玄米重を測定し、水田面積10a(即ち、1000m2)当たりの精玄米重の結果を下記表6に示した。
試験例1では、播種後約20日のイネ(品種:ヒノヒカリ)の苗に対し、SOK04BY株を含む上記乳酸菌製剤の100倍液を、育苗箱1箱当たり1L灌注処理し、これを菌処理区とした。また、コントロールとして、蒸留水を同量灌注処理し、これを無処理区とした。灌注した翌日に、イネの苗を500mLのカップに3株ずつ移植し、1ヶ月栽培した。各区ともに6カップ×4反復(計24カップ)とした。
市販の培養土(ニッピ園芸培土1号、日本肥糧株式会社製)を詰めた200穴セルトレイ(1セル当たりの容積:14mL)にネギ種子(品種:黒千本)を播種(1セル当たり3粒)した。播種してから50日後に、SOK04BY株を含む上記乳酸菌製剤の100倍液を、1セル当たり5mL灌注し、これを菌処理区とした。また、コントロールとして、蒸留水を1セル当たり5mL灌注し、これを無処理区とした。灌注した翌日に、ネギの苗を、直径10.5cmのビニルポットに3本ずつ移植した。移植は、各区ともに、6ポット×3反復(計18ポット)とし、移植してから90日後に生育状態を調査した。調査は、1株ごとの本数、草丈及び地上部重について行い、それぞれ各区の平均値を算出して、結果を下記表8に示した。
SOK04BY株を含む上記乳酸菌製剤10gを市販の育苗土(メトロミックス、株式会社ハイポネックスジャパン製)2Lに混和し、200穴セルトレイ(1セル当たりの容積:14mL)の100穴に充填し、トウガラシ種子(品種:伏見とうがらし)を播種(1セル当たり1粒)して、1セル当たり5mL灌水し、これを菌処理区とした。また、コントロールとして、乳酸菌製剤を混和せず、その他は菌処理区と同様に播種し灌水したものを無処理区とした。灌水後、25℃の温室で栽培し、播種10日後に液肥を施用し、播種22日後に生育状態として草丈と地上部重を調査した。草丈と地上部重は各区の平均値である。試験は2回行い、それぞれの結果を下記表9に示した。
SOK04BY株を含む上記乳酸菌製剤1g当たり、市販の育苗土(メトロミックス、株式会社ハイポネックスジャパン製)0.1Lを混和した100倍混和土と、1Lを混和した1000倍混和土を、それぞれ調製した。これらの混和土を、128穴セルトレイ(1セル当たりの容積:22mL)の16穴にそれぞれ充填し(各3反復)、キュウリ種子(品種:ズバリ163)を播種(1セル当たり1粒)して、1セル当たり7mL灌水し、これを菌処理区(100倍混和区、1000倍混和区)とした。また、コントロールとして、乳酸菌製剤を混和せず、その他は菌処理区と同様に播種し灌水したものを無処理区とした。灌水後、最低温度を20℃に保った温室で栽培した。試験は2回行い、1回目は播種11日後、2回目は播種10日後に、それぞれ生育状態として草丈と地上部重を調査した。草丈と地上部重は各区の平均値である。それぞれの結果を下記表11に示した。
Claims (9)
- 植物生育促進作用を有する乳酸菌を含む植物生育促進剤。
- 植物生育促進作用を有する乳酸菌がラクトバチルス属に属する微生物である請求項1記載の植物生育促進剤。
- 植物生育促進作用を有する乳酸菌がラクトバチルス・プランタラム(Lactobacillus plantarum)に属する微生物である請求項2記載の植物生育促進剤。
- 植物生育促進作用を有する乳酸菌がラクトバチルス・プランタラム(Lactobacillus plantarum)FERM BP-21501菌株である請求項3記載の植物生育促進剤。
- 種子、植物体及び土壌からなる群から選択される少なくとも1つに処理するために用いられる請求項1~4のいずれか1項に記載の植物生育促進剤。
- 幼植物体に処理するために用いられる請求項1~4のいずれか1項に記載の植物生育促進剤。
- 植物生育促進作用を有する乳酸菌を、種子、植物体及び土壌からなる群から選択される少なくとも1つに処理することを特徴とする植物生育促進方法。
- 前記植物生育促進作用を有する乳酸菌がラクトバチルス・プランタラム(Lactobacillus plantarum)FERM BP-21501菌株である請求項7記載の植物生育促進方法。
- 処理する植物体が幼植物体である請求項7又は8記載の植物生育促進方法。
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KR20180032407A (ko) * | 2016-09-22 | 2018-03-30 | 경북대학교 산학협력단 | 작물 생육 촉진 또는 항진균 활성을 가지는 신규한 락토바실러스 플랜타럼(Lactobacillus plantarum) KNU-03 균주 및 이의 이용 |
KR101961569B1 (ko) * | 2017-11-27 | 2019-03-22 | 박승찬 | 잔디발아매트 및 이를 이용한 녹화공법 |
WO2021033716A1 (ja) | 2019-08-19 | 2021-02-25 | Meiji Seikaファルマ株式会社 | 火傷病防除剤及び火傷病防除方法 |
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CN110819573B (zh) * | 2019-12-05 | 2021-02-12 | 青岛市农业科学研究院 | 提高豌豆耐冷耐湿性的微生物菌剂及其应用 |
CN117481124B (zh) * | 2024-01-02 | 2024-03-22 | 东北林业大学 | 秦皮甲素在提高水曲柳抗旱能力中的应用 |
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KR20180032407A (ko) * | 2016-09-22 | 2018-03-30 | 경북대학교 산학협력단 | 작물 생육 촉진 또는 항진균 활성을 가지는 신규한 락토바실러스 플랜타럼(Lactobacillus plantarum) KNU-03 균주 및 이의 이용 |
KR101899650B1 (ko) | 2016-09-22 | 2018-10-04 | 경북대학교 산학협력단 | 작물 생육 촉진 또는 항진균 활성을 가지는 신규한 락토바실러스 플랜타럼(Lactobacillus plantarum) KNU-03 균주 및 이의 이용 |
KR101961569B1 (ko) * | 2017-11-27 | 2019-03-22 | 박승찬 | 잔디발아매트 및 이를 이용한 녹화공법 |
WO2021033716A1 (ja) | 2019-08-19 | 2021-02-25 | Meiji Seikaファルマ株式会社 | 火傷病防除剤及び火傷病防除方法 |
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JPWO2016021204A1 (ja) | 2017-05-25 |
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