JP2011200159A - Method for producing fruit of dragon fruit, and fruit of dragon fruit - Google Patents

Method for producing fruit of dragon fruit, and fruit of dragon fruit Download PDF

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JP2011200159A
JP2011200159A JP2010069911A JP2010069911A JP2011200159A JP 2011200159 A JP2011200159 A JP 2011200159A JP 2010069911 A JP2010069911 A JP 2010069911A JP 2010069911 A JP2010069911 A JP 2010069911A JP 2011200159 A JP2011200159 A JP 2011200159A
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fruit
dragon fruit
light
dragon
led
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JP5704627B2 (en
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Masaru Kamano
勝 釜野
Yuki Shimono
雄輝 下野
Shinji Uehara
信知 上原
Masanori Yanagida
勝之 柳田
Shinji Yamada
信治 山田
Masanobu Haraguchi
雅宣 原口
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Institute of National Colleges of Technologies Japan
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Abstract

PROBLEM TO BE SOLVED: To provide a method for producing fruit of dragon fruit having a high sugar content: and to provide fruit of dragon fruit.SOLUTION: The method for producing fruit of dragon fruit comprises irradiating dragon fruit with light from blue LED (light-emitting diode) in addition to solar light. In mass production of fruits of dragon fruit, many stocks of dragon fruit 210 are cultivated in a plastic hothouse 220 in which about 20 pieces of bombshell-type LEDs or the like each having a diameter of 5 mm are suspended as a light-emitting part 240 so that the fruits are irradiated with the LED having specific-color light in addition to solar light.

Description

本発明は、ドラゴンフルーツ果実の製造方法、及びドラゴンフルーツ果実に関する。   The present invention relates to a method for producing a dragon fruit fruit and a dragon fruit fruit.

ドラゴンフルーツ果実とは、サボテン科ヒモサボテン属の植物であるサンカクサボテンの果実である。一方、近年ビニールハウスなどでＬＥＤを補助光源とした植物栽培に注目が集まっている。ＬＥＤは単色性に優れていることから、植物の成長に必要な波長領域のみを照射することが可能であり、植物成長の高効率化に繋がることが期待できる。従来は徳島県では成長が難しいとされてきた農産物を育てることができれば、徳島県の新しい特産物となる可能性もあり、徳島県、ひいては地方の産業活性化にも資するものである。   The dragon fruit fruit is a fruit of a cactus cactus that is a plant of the cactus family cactus genus. On the other hand, in recent years, attention has been focused on plant cultivation using LED as an auxiliary light source in a greenhouse or the like. Since LEDs are excellent in monochromaticity, it is possible to irradiate only a wavelength region necessary for plant growth, and it can be expected to lead to higher efficiency of plant growth. If it can grow agricultural products that were previously considered difficult to grow in Tokushima Prefecture, it could become a new special product in Tokushima Prefecture, which will contribute to the revitalization of industries in Tokushima Prefecture and in other areas.

果実の成熟を促進する方法の一例が特許文献１に記載されている。特許文献１の技術は、樹上の果実に、赤色フィルム又は青色フィルムを透過した自然光を照射している。   An example of a method for promoting fruit ripening is described in Patent Document 1. The technique of Patent Document 1 irradiates fruit on a tree with natural light transmitted through a red film or a blue film.

特開平２００９−７７６５２号公報JP 2009-77652 A

特許文献１に開示の技術で、実際に実施されているのはデコポン（登録商標）であり、ミカン科ミカン属、果実はミカンのような球状であるから、赤色や青色のフィルム製の袋を果実に被せることも容易であるが、ドラゴンフルーツに実際に適用できるか否かは定かでは無い。   The technique disclosed in Patent Document 1 is actually implemented by Decompon (registered trademark), and the citrus genus genus and the fruit are spherical like a mandarin orange. It is easy to put on the fruit, but it is not certain whether it can actually be applied to the dragon fruit.

本発明は上記の点に鑑みてなされたものであって、より糖度が高く食用に適したドラゴンフルーツ果実の製造方法、及びドラゴンフルーツ果実を提供することを目的とする。   This invention is made | formed in view of said point, Comprising: It aims at providing the manufacturing method of dragon fruit fruit with higher sugar content suitable for edible, and dragon fruit fruit.

上記の問題点を解決するために、本発明に係るドラゴンフルーツ果実の製造方法は、太陽光に加えて青色ＬＥＤ（発光ダイオード）からの光を照射することを特徴としている。   In order to solve the above problems, the method for producing a dragon fruit fruit according to the present invention is characterized by irradiating light from a blue LED (light emitting diode) in addition to sunlight.

本願発明者らの鋭意検討により、太陽光に加えて青色ＬＥＤ（発光ダイオード）からの青色光を照射することにより、ドラゴンフルーツ果実の糖度が向上することが明らかとなった。   As a result of intensive studies by the inventors of the present application, it has been clarified that the sugar content of dragon fruit fruits is improved by irradiating blue light from a blue LED (light emitting diode) in addition to sunlight.

本発明に係るドラゴンフルーツ果実は、上記本発明に係るドラゴンフルーツ果実の製造方法により製造されたことを特徴とする。   The dragon fruit fruit which concerns on this invention was manufactured by the manufacturing method of the dragon fruit fruit which concerns on the said invention.

本発明に係るドラゴンフルーツ果実の製造方法等によると、太陽光のみで育成した場合と比較して糖度が上がる、という効果を奏する。   According to the manufacturing method of the dragon fruit fruit etc. which concern on this invention, there exists an effect that a sugar content goes up compared with the case where it grows only with sunlight.

本発明に先立ち、ドラゴンフルーツの成長実験を行った内容の一例について説明するための図である。It is a figure for demonstrating an example of the content which performed the growth experiment of the dragon fruit prior to this invention. 成長実験において、ＬＥＤの色ごとのドラゴンフルーツの茎の伸長を示す図である。It is a figure which shows the expansion | extension of the stalk of the dragon fruit for every color of LED in a growth experiment. 成長実験において、ＬＥＤの色ごとのドラゴンフルーツの茎の肥大化を示す図である。It is a figure which shows the enlargement of the stalk of the dragon fruit for every color of LED in a growth experiment. 本発明の実施の形態におけるドラゴンフルーツ果実の大量製造試験の様子について説明するための模式図である。It is a schematic diagram for demonstrating the mode of the mass-production test of the dragon fruit fruit in embodiment of this invention. 測定されたドラゴンフルーツ果実の糖度を示す図である。It is a figure which shows the sugar content of the measured dragon fruit fruit.

以下、本発明の実施の形態について、図面を参照しながら説明する。
図１は、本発明に先立ち、ドラゴンフルーツの成長実験を行った内容の一例について説明するための図である。本明細書では、ドラゴンフルーツの果実は「ドラゴンフルーツ果実」といい、果実となる以前の段階を「ドラゴンフルーツ」という。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram for explaining an example of the contents of a dragon fruit growth experiment prior to the present invention. In this specification, the fruit of a dragon fruit is called "dragon fruit fruit", and the stage before becoming a fruit is called "dragon fruit".

図１（ａ）に例示される成長実験の装置では、植木鉢１１１に１株のドラゴンフルーツ１１０を移植し、例えば不透明の木質板からなる土台１２０上に植木鉢１１１を置く。そして、植木鉢１１１及びドラゴンフルーツ１１０の周囲を不透明の、例えば木質材からなる筒１３０で囲い、上部を上板１３１で塞いで、植木鉢１１１等を暗室内に置かれた状態とする。   In the growth experiment apparatus illustrated in FIG. 1A, one dragon fruit 110 is transplanted into a flower pot 111, and the flower pot 111 is placed on a base 120 made of, for example, an opaque wooden board. Then, the surroundings of the flower pot 111 and the dragon fruit 110 are surrounded by an opaque tube 130 made of, for example, a wooden material, and the upper part is closed with an upper plate 131 so that the flower pot 111 and the like are placed in a dark room.

上板１３１には、発光部１４０が吊るされている。図１（ｂ）は、発光部１４０の一例について説明するための図であり、発光部１４０に多数のＬＥＤ（発光ダイオード）１４１が配されている様子が示されている。図１（ｂ）の例では３０個のＬＥＤが配されているが、実際に成長実験に用いた発光部１４０には、３３個のＬＥＤが３列、計９９個のＬＥＤが配されたものを用いた。   A light emitting unit 140 is suspended from the upper plate 131. FIG. 1B is a diagram for explaining an example of the light emitting unit 140, and shows a state in which a large number of LEDs (light emitting diodes) 141 are arranged in the light emitting unit 140. In the example of FIG. 1B, 30 LEDs are arranged, but the light emitting unit 140 actually used for the growth experiment has three rows of 33 LEDs and a total of 99 LEDs. Was used.

成長実験では、ＬＥＤ１４１として、青色の他、緑、赤、白の各色ＬＥＤを配して、色ごとのドラゴンフルーツ１１０の成長度合いを観察した。ちなみにドラゴンフルーツ１１０周辺の環境温度は２０℃付近、成長実験では、ＬＥＤ１４１からの光量子数を３５μｍｏｌ／ｍ２ｓで一定となるようにした。 In the growth experiment, each LED of green, red, and white was arranged as the LED 141 in addition to blue, and the degree of growth of the dragon fruit 110 for each color was observed. By the way, the ambient temperature around the dragon fruit 110 is around 20 ° C., and in the growth experiment, the photon number from the LED 141 was made constant at 35 μmol / m 2 s.

植物の成長に必要な波長領域として、赤色と青色の光が重要であるとの説は知られており、一般的に赤色の光は植物に対して茎の伸長効果や発芽促進作用があり、青色の光では茎の肥大化効果が知られている。また、成長には必要ではないとされている緑色の光にも、光合成促進作用があることが報告されている。   The theory that red and blue light are important as the wavelength region necessary for plant growth is known, and generally red light has a stem elongation effect and germination promoting action on plants, With blue light, the effect of stem enlargement is known. It has also been reported that green light, which is considered unnecessary for growth, also has a photosynthetic promoting effect.

成長実験の結果を図２、及び図３に示す。図２は、ドラゴンフルーツ１１０の茎の伸長を示す図であり、ドラゴンフルーツの場合でも、赤色のＬＥＤ（例えば、日亜化学工業株式会社製：ＮＳＰＲ５１０ＡＳ）を用いた場合に、茎の伸長効果があることが確認できた。   The results of the growth experiment are shown in FIG. 2 and FIG. FIG. 2 is a diagram illustrating the elongation of the stem of the dragon fruit 110. Even in the case of the dragon fruit, when the red LED (for example, NSPR510AS manufactured by Nichia Corporation) is used, the elongation effect of the stem is obtained. It was confirmed that there was.

図３は、成長実験におけるドラゴンフルーツ１１０の茎の肥大化を示す図であり、ドラゴンフルーツの場合でも、青色のＬＥＤ（例えば、日亜化学工業株式会社製：ＮＳＰＢ５００Ｓ）を用いた場合に、茎の肥大化効果があることが確認できた。   FIG. 3 is a diagram showing the enlargement of the stem of the dragon fruit 110 in the growth experiment. Even in the case of the dragon fruit, when the blue LED (for example, NSPA500S manufactured by Nichia Corporation) is used, It was confirmed that there was an effect of enlargement.

以上のような成長実験の結果として、ドラゴンフルーツの場合でも、赤色、青色のＬＥＤの光が成長に影響を及ぼすことが明らかとなった。本願発明者らは、ここで、特許文献１の場合と異なり、太陽光の光に加えて赤色、青色のＬＥＤの光をドラゴンフルーツに照射して、ドラゴンフルーツ果実の大量製造への適用を試みた。   As a result of the growth experiment as described above, it has been clarified that the light of red and blue LEDs affects the growth even in the case of dragon fruit. Unlike the case of Patent Document 1, the inventors of the present application irradiate dragon fruit with red and blue LED light in addition to sunlight, and attempt to apply it to mass production of dragon fruit fruits. It was.

図４は、大量製造試験の様子について説明するための模式図である。ドラゴンフルーツ果実の大量製造のためには、多数の株のドラゴンフルーツ２１０をビニールハウス２２０内で栽培した。そして、発光部２４０として、例えば直径５ｍｍの砲弾型ＬＥＤが２０個程度配されたものを多数吊り下げ、特定の色の光のＬＥＤが、太陽光に加えて照射されるようにし、ドラゴンフルーツ果実を得た。   FIG. 4 is a schematic diagram for explaining a mass production test. For mass production of dragon fruit fruits, many strains of dragon fruit 210 were cultivated in a greenhouse 220. Then, as the light emitting unit 240, for example, a large number of about 20 cannonball type LEDs having a diameter of 5 mm are suspended, and a specific color of light LED is irradiated in addition to sunlight, and a dragon fruit fruit Got.

今回の大量製造試験では、柳田農園の協力を得て、例えば、縦３０ｍ、横２０ｍの土壌にビニールハウス２２０を設け、全部で１１畆、２００株程度のドラゴンフルーツ２１０を栽培した。発光部２４０としては上記したような形態のＬＥＤ発光装置を用いたため、各々のドラゴンフルーツには、発光部２４０による影といった影響がなく、太陽光とＬＥＤからの光が満遍なく当たるようにした。   In this mass production test, with the cooperation of Yanagida Farm, for example, a vinyl house 220 was set up in soil 30 m long and 20 m wide, and a total of about 11 dragons and 200 dragon fruits 210 were cultivated. Since the LED light-emitting device having the above-described form is used as the light-emitting unit 240, each dragon fruit is not affected by the shadow of the light-emitting unit 240, so that sunlight and light from the LED are uniformly applied.

さらに、本願発明者らは、ドラゴンフルーツ２１０が花をつけ、生育しだした時期から、ドラゴンフルーツ果実が出荷可能な時期までＬＥＤによる光照射を継続し、製造されたドラゴンフルーツ果実の糖度を測定した。ＬＥＤによる光量子数は、厳密には測定できていないが、大体１０μｍｏｌ／ｍ２ｓ程度と考えられる。 Furthermore, the inventors of the present invention continue to irradiate light with the LED from the time when the dragon fruit 210 begins to grow and grow until the time when the dragon fruit can be shipped, and measure the sugar content of the manufactured dragon fruit. did. Although the photon number by the LED cannot be measured strictly, it is considered to be about 10 μmol / m 2 s.

図５は、測定されたドラゴンフルーツ果実の糖度を示す図である。糖度の測定は、太陽光のみで製造されたもの、太陽光に加えて赤色のＬＥＤの光を照射したもの、太陽光に加えて青色のＬＥＤの光を照射したものについて実施した。糖度の測定には、糖度計（アタゴ社製、型番ＰＡＬ−Ｊ）を用い、ドラゴンフルーツ果実に糖度がどの程度含まれているかを測定した。   FIG. 5 is a graph showing the sugar content of the measured dragon fruit fruit. The measurement of sugar content was carried out with respect to those manufactured only with sunlight, those irradiated with red LED light in addition to sunlight, and those irradiated with blue LED light in addition to sunlight. For the measurement of sugar content, a sugar content meter (model number PAL-J, manufactured by Atago Co., Ltd.) was used to measure how much sugar content was contained in the dragon fruit.

同図５に示されるように、太陽光に加えて青色のＬＥＤからの光を照射することにより、太陽光のみの場合や、太陽光に加えて赤色のＬＥＤの光を照射した場合と比較して、高い糖度が実現されることが明らかとなった。   As shown in FIG. 5, by irradiating light from a blue LED in addition to sunlight, it is compared with the case of only sunlight or the case of irradiating red LED light in addition to sunlight. It was revealed that high sugar content was achieved.

以上に説明したように、本実施の形態のドラゴンフルーツ果実の製造方法によれば、より糖度の高いドラゴンフルーツが得られる。本実施の形態の方法であれば、果実の一つ一つにフィルムを被せる、といった作業が不要であり、また、大量製造が可能であるため、その実用的効果は極めて大きいと言える。   As explained above, according to the method for producing a dragon fruit fruit of the present embodiment, a dragon fruit having a higher sugar content can be obtained. If it is the method of this Embodiment, the operation | work which puts a film on each fruit is unnecessary, and since it can manufacture in large quantities, it can be said that the practical effect is very large.

本発明は、例えば、ドラゴンフルーツ果実の製造に適用することができる。   The present invention can be applied, for example, to the production of dragon fruit fruits.

１１０、２１０ ドラゴンフルーツ
１１１ 植木鉢
１２０ 土台
１３０ 筒
１３１ 上板
１４０、２４０ 発光部
１４１ ＬＥＤ（発光ダイオード）
２２０ ビニールハウス 110, 210 Dragon fruit 111 Flower pot 120 Base 130 Tube 131 Upper plate 140, 240 Light emitting part 141 LED (light emitting diode)
220 greenhouse

Claims (2)

太陽光に加えて青色ＬＥＤ（発光ダイオード）からの光を照射することを特徴とするドラゴンフルーツ果実の製造方法。   The manufacturing method of the dragon fruit fruit characterized by irradiating the light from blue LED (light emitting diode) in addition to sunlight. 請求項１に記載のドラゴンフルーツ果実の製造方法により製造されたことを特徴とするドラゴンフルーツ果実。   A dragon fruit fruit produced by the method for producing a dragon fruit fruit according to claim 1.
JP2010069911A 2010-03-25 2010-03-25 Dragon fruit fruit manufacturing method and dragon fruit fruit Expired - Fee Related JP5704627B2 (en)

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