JP2016214186A - Fruit bag for increasing sugar content - Google Patents

Fruit bag for increasing sugar content Download PDF

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JP2016214186A
JP2016214186A JP2015105316A JP2015105316A JP2016214186A JP 2016214186 A JP2016214186 A JP 2016214186A JP 2015105316 A JP2015105316 A JP 2015105316A JP 2015105316 A JP2015105316 A JP 2015105316A JP 2016214186 A JP2016214186 A JP 2016214186A
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bag
fruit
fruit bag
sugar content
carbon dioxide
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JP6567876B2 (en
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勝広 熊谷
Katsuhiro Kumagai
勝広 熊谷
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KOBAYASHI SEITAI SANGYO KK
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Abstract

PROBLEM TO BE SOLVED: To provide a fruit bag capable of increasing sugar content of fruit.SOLUTION: A fruit bag 2 is for protecting and raising a fruit being raised by wrapping the fruit. The fruit bag 2 is formed of at least one base material selected from paper, non-woven fabric, processed paper obtained by processing paper or non-woven fabric, and a synthetic resin film. A bag surface 3 of the fruit bag is formed to have carbonic acid gas permeability of 1.0×10to 1.0×10ml/m24hr atm, and water vapor permeability of 30 to 5000 g/m24hr.SELECTED DRAWING: Figure 2

Description

本発明は、果実生育中に用いる果実用掛け袋であって、果実の糖度の向上を促進する果実袋に関する。   The present invention relates to a fruit bag used during fruit growth, which relates to a fruit bag that promotes improvement of the sugar content of the fruit.

近年、消費者は果物に対して外観が良い、美味しい、安全性が高い、果物に見合った値ごろ感を求めると共に、各産地の果物を見て栽培・販売にかかる管理履歴も調べた上で、これらを総合判断して自分の望むものを選択し購入している。   In recent years, consumers have looked for fruits with good appearance, deliciousness, high safety, reasonable value for fruits, and also examined the management history of cultivation and sales by looking at the fruits of each production area. Based on these decisions, you can select and purchase what you want.

一方、果樹生産者は、消費者の要望に応えて消費者に選択して貰えるような果物作りに向け、土づくり肥培管理、樹づくり、病害虫対策等々、収穫に至るまで気の抜けない作業を強いられている。生産者の日々の努力、適切な管理によって果物の品質が形成されるが、年毎に変わる気象の品質への影響は、自己努力だけでは制御できないのが現状であり、中でも果物の味、甘みへの影響は品質の価値を大きく左右している。   On the other hand, fruit tree producers, in order to produce fruits that can be selected and received by consumers in response to consumers' demands, carry out unpredictable work until harvesting, such as soil fertilization management, tree making, pest control, etc. It is forced. Fruit quality is formed by the daily efforts and proper management of producers, but the impact on the quality of weather that changes from year to year cannot be controlled by self-effort alone, especially the taste and sweetness of fruits. The impact on quality greatly affects the value of quality.

果物の栽培技術の中にあって育果用の果実袋は、既に半世紀以上の歴史を持ち、日本の果樹園芸の成長と共にその技術も高まってきた。有袋栽培によって、枝ずれ,葉擦れ,降雹等の物理的な影響からの果実保護、着色促進、貯蔵性の向上、果面外観の向上、病害虫や鳥からの保護、着果物の選別、適正着果量の維持などにおいてその果たす役割は大きく、梨、りんご、桃、ぶどう、びわ、マンゴー、柑橘、キウイなどにおける、様々な品種、生産者の要望に応える袋が供給され利用されている。   The fruit-growing fruit bags in fruit cultivation technology have already been more than half a century old, and the technology has grown with the growth of Japanese fruit gardening. By bag cultivation, fruit protection from physical influences such as branch slipping, leaf rubbing, and falling, coloring promotion, improved storage, improved fruit appearance, protection from pests and birds, selection of fruits, proper It plays a major role in maintaining the amount of fruit, and bags that meet the needs of various varieties and producers in pears, apples, peaches, grapes, loquats, mangoes, citrus fruits, kiwis, etc. are supplied and used.

現在、果物の品質を左右する要素として、糖度は主要な位置付けが為されており、また、果物の糖度については非破壊で計測できる機器が普及したこともあって、産地では勿論のこと、流通、販売時点においても容易に計測できるようになっている。こうしたことから、糖度の高低によって果実としてのランク付けが為され、これによって販売価格が決められて差別化がされている。   Currently, sugar content is a major factor that affects the quality of fruits, and equipment that can measure non-destructively about the sugar content of fruits has become widespread. It can be easily measured even at the point of sale. For these reasons, the fruits are ranked according to the level of sugar, and the selling price is determined by this to differentiate them.

しかしながら、この果物の糖度は天候によって大きく左右され、栽培技術の改善だけでは充分に対処することができない課題として、種々の検討が為されてきた。
そうしたものの対策の一つとして、ハウス内の炭酸ガス濃度を大気濃度(350ppm程度)よりも高い700〜1500ppm程度にコントロールすることによって、植物の成長を促進させて果菜類の生長、生産量を高めようとする技術が提供されている。(特許文献1)
また、養液栽培における養液中の炭酸ガス濃度を1000〜5000ppmに高めることによって根の発育を促進し、生産量を向上させるような技術も提供されている。
However, the sugar content of this fruit is greatly affected by the weather, and various studies have been made as issues that cannot be sufficiently addressed only by improving cultivation techniques.
One of the countermeasures is to control the concentration of carbon dioxide in the house to about 700-1500 ppm, which is higher than the atmospheric concentration (about 350 ppm), to promote plant growth and increase the growth and production of fruit vegetables. Techniques to try are provided. (Patent Document 1)
Moreover, the technique which promotes root growth by raising the carbon dioxide gas density | concentration in the nutrient solution in nutrient solution cultivation to 1000-5000 ppm and improves a production amount is also provided.

特開2006−67888号公報JP 2006-67888 A

しかし、現在、果樹栽培において上記の如きガスのコントロールができるようなハウス施設による栽培は僅かに数パーセントに満たない状況であり、殆どが露地栽培によって行われている。そして、果樹栽培が行われている地形、栽培面積、生産量当りの販売単価、ハウス施設化に要する費用などから考えても、ハウス施設の大幅な増加は困難な状況にある。従って、露地栽培においても効率的に果実の糖度を高め、品質の向上を図ることができれば、望ましいものとなる。また、ハウス栽培においても、従来行われているような大掛かりなハウス施設を必要とすることなく、簡易なハウスや雨避けシートなどを使用した栽培においても果実の糖度を高めることは望まれている。   However, at present, cultivation in a house facility that can control the gas as described above in fruit tree cultivation is only a few percent, and most of them are carried out by open field cultivation. Considering the topography where fruit trees are cultivated, the cultivation area, the unit sales price per production volume, the cost required for building a house, it is difficult to increase the number of house facilities. Therefore, it is desirable if the sugar content of fruits can be increased efficiently and quality can be improved even in outdoor cultivation. Also, in house cultivation, it is desired to increase the sugar content of fruits even in cultivation using a simple house or rain avoidance sheet without requiring a large-scale house facility as conventionally performed. .

本発明は、果樹栽培において栽培方法によらず果物の糖度を大きく高めることができて、消費者が求める要望や品質に充分に応えられる果物を生産することができる育果用の果実袋を提供しようとするものである。   The present invention provides a fruit bag for fruit cultivation that can greatly increase the sugar content of fruit regardless of the cultivation method in fruit tree cultivation, and can produce fruit that fully meets the demands and quality demanded by consumers. It is something to try.

本発明は、果樹栽培の生育中の果実を覆う育果用の果実袋の炭酸ガス透過度と透湿性を制御し、被覆されている果実の呼吸作用によって放出される炭酸ガスにより袋内の濃度を高め、果実における糖成分を増加させるようにする。   The present invention controls the carbon dioxide gas permeability and moisture permeability of fruit bags for growing fruit covering the growing fruits of fruit tree cultivation, and the concentration in the bag by the carbon dioxide gas released by the breathing action of the covered fruit To increase the sugar component in the fruit.

この生育中の果実を保護・育成するために覆っている果実袋は、紙、不織布、紙若しくは不織布を加工した加工紙、合成樹脂製フィルムから選ばれる少なくとも1種の基材によって形成されている。そして、この果実袋はその袋面の炭酸ガス透過度を1.0×10〜1.0×10ml/m2・24hr・atmとし、水蒸気透過度を30〜5000g/m2・24hrとして糖度向上用の果実袋とする。
また、上記果実袋の底部には、更にその両隅部に水抜き用の開口部を設け、各開口部の長さは15mm以下でありかつ全開口部の長さは底部長さに対する割合が20%以下であるようにする。
The fruit bag covering to protect and grow the growing fruit is formed of at least one substrate selected from paper, non-woven fabric, processed paper processed from paper or non-woven fabric, and a synthetic resin film. . The fruit bag has a carbon dioxide gas permeability of 1.0 × 10 2 to 1.0 × 10 7 ml / m 2 · 24 hr · atm and a water vapor permeability of 30 to 5000 g / m 2 · 24 hr. As a fruit bag for improving sugar content.
Further, the bottom of the fruit bag is further provided with openings for draining at both corners, the length of each opening is 15 mm or less, and the length of all the openings has a ratio to the length of the bottom. 20% or less.

本発明は、上記のように育果用の果実袋により炭酸ガスの透過度を低くすることによって袋内の炭酸ガス濃度を制御し、同時に水蒸気透過度を高めて水分を袋外へ透過させ、袋内を高炭酸ガス濃度で低湿度に保つことによって、袋内の果実の糖度を上昇させ、良好な品質のものを得ることができる。
また、袋の底部に小さな開口部を設けることによって、露地栽培で使用する場合においても、袋内の炭酸ガス濃度の低下を抑制しつつ、袋上部の結束部分から侵入する雨水などを袋外に排出し、袋内の水分量を制御し、また袋内に残っている水分に炭酸ガスが吸収され、袋内の炭酸ガス濃度を低下させることを防止することができる。
The present invention controls the carbon dioxide gas concentration in the bag by lowering the carbon dioxide permeability with the fruit bag for fruit growing as described above, and at the same time increases the water vapor permeability to allow moisture to permeate outside the bag, By keeping the inside of the bag at a high carbon dioxide concentration and low humidity, the sugar content of the fruit in the bag can be increased, and a product of good quality can be obtained.
In addition, by providing a small opening at the bottom of the bag, even when using it in outdoor cultivation, rain water and the like entering from the binding part at the top of the bag is kept outside the bag while suppressing a decrease in the concentration of carbon dioxide in the bag. The amount of water in the bag can be controlled by discharging, and the carbon dioxide gas can be prevented from being absorbed by the water remaining in the bag and reducing the carbon dioxide concentration in the bag.

本発明の実施例を示す正面図である。It is a front view which shows the Example of this invention. 図1に示すものの使用状態を示す説明図である。It is explanatory drawing which shows the use condition of what is shown in FIG.

果実袋を形成する基材1としては、各種の紙、不織布、紙や不織布を加工した加工紙、合成樹脂フイルムなどを使用することができる。上記加工紙は、紙や不織布をパラフィン、合成樹脂、天然高分子物質、無機物質などによって加工処理することによって得ることができる。
また、上記したものを適宜に重ね合わせた積層シートを使用することもできる。
As the base material 1 forming the fruit bag, various papers, non-woven fabrics, processed paper processed from paper or non-woven fabrics, synthetic resin films, and the like can be used. The processed paper can be obtained by processing paper or non-woven fabric with paraffin, synthetic resin, natural polymer substance, inorganic substance or the like.
In addition, a laminated sheet in which the above-described ones are appropriately stacked can also be used.

こうした基材1によって形成される果実袋2の袋面3は、その炭酸ガスの透過度が1.0×10〜1.0×10ml/m・24hr・atm程度、好ましくは1.5×10〜1.0×10ml/m・24hr・atm程度、更に好ましくは2.0×10〜5.0×10ml/m・24hr・atm程度を示すものであり、また、その水蒸気透過度は30〜5000g/m・24hr程度、好ましくは150〜4500g/m・24hr程度、更に好ましくは300〜3500g/m・24hr程度を示すものに形成されている。
上記炭酸ガス透過度が1.0×10ml/m・24hr・atmよりも大きい場合には、袋内に炭酸ガスを適当に貯留することができないし、水蒸気透過度が30g/m・24hrよりも低いときには、袋内で蒸れが生じ易い。
The bag surface 3 of the fruit bag 2 formed by such a base material 1 has a carbon dioxide gas permeability of about 1.0 × 10 2 to 1.0 × 10 7 ml / m 2 · 24 hr · atm, preferably 1 0.5 × 10 2 to 1.0 × 10 6 ml / m 2 · 24 hr · atm, more preferably 2.0 × 10 2 to 5.0 × 10 5 ml / m 2 · 24 hr · atm , and the addition, the water vapor permeability is 30~5000g / m 2 · 24hr, preferably about 150~4500g / m 2 · 24hr or so, more preferably formed to show a degree 300~3500g / m 2 · 24hr ing.
If the carbon dioxide permeability is greater than 1.0 × 10 7 ml / m 2 · 24 hr · atm, carbon dioxide cannot be properly stored in the bag, and the water vapor permeability is 30 g / m 2. -When it is lower than 24 hr, stuffiness is likely to occur in the bag.

上記基材は、その重量や厚みは特に限定されないが、通常、10〜100g/m程度の重さを有するものであり、その厚みは10〜100μm程度のものにすると使用し易い。
上記基材1を使用し、糊付けや、ヒートシールなどによって各種の果実に適合する果実袋に形成されるが、図示するものでは、糊付け4、5によって平型の一重袋に形成している。
この果実袋は一重袋に形成されているので、上記1枚の基材の炭酸ガス透過度及び水蒸気透過度が上記した範囲内にあるものが使用されているが、多重袋に形成した場合には、重ね合せた基材で形成される袋面として上記各数値範囲内になるようにする。
Although the weight and thickness of the base material are not particularly limited, the base material usually has a weight of about 10 to 100 g / m 2 and is easy to use when the thickness is about 10 to 100 μm.
The base material 1 is used to form a fruit bag suitable for various fruits by gluing, heat sealing or the like, but in the illustrated case, it is formed into a flat single bag by gluing 4,5.
Since this fruit bag is formed in a single bag, the one base material in which the carbon dioxide gas permeability and the water vapor permeability are in the above-mentioned range is used. Is within the above numerical range as the bag surface formed of the superposed base materials.

生育中の果実15にこの果実袋2を被せ、果実袋上部の上部開口6を絞り、針金その他の係止具7を使用して袋掛けした場合に、特に露地栽培においては袋体の上部の絞られた上部開口6から雨水が袋内に入ってくることを避けることはできないので、袋体の底部8には袋内に入った雨水を排出することができるように開口部9を設けるようにするとよい。   When the growing fruit 15 is covered with the fruit bag 2, the upper opening 6 at the top of the fruit bag is squeezed and hung using a wire or other locking device 7, especially in the open field cultivation, Since it is unavoidable that rainwater enters the bag from the narrowed top opening 6, an opening 9 is provided at the bottom 8 of the bag so that the rainwater contained in the bag can be discharged. It is good to.

この開口部9は、袋体の底部8の好ましくは両隅に形成し、雨水を排出できるが、袋内の炭酸ガスは余り自由に排出することができないように形成するとよく、上記開口部9の長さは約15mm以下であり、かつ、こうした全開口部の長さは底部8長さの約20%以下になるように形成するとよい。   The opening 9 is preferably formed at both corners of the bottom 8 of the bag body so that rainwater can be discharged, but carbon dioxide in the bag cannot be discharged so freely. The length of each of the openings is preferably about 15 mm or less, and the length of all the openings is preferably about 20% or less of the length of the bottom 8.

図示するものでは、糊付け4により形成された平袋状の袋体の底部8の両隅を糊付けしない非接着部とすることによって開口部9が形成されている。この開口部9において袋面同士が糊付けによって接着されていないが、接触している状態になっているので、袋内の空気の出入りを適度に抑制しつつ、密度の高い雨水などはここからスムーズに排出することができる。   In the illustrated example, the opening 9 is formed by making both corners of the bottom portion 8 of the flat bag-like bag body formed by the gluing 4 non-adhesive portions. The bag surfaces are not adhered by gluing in the opening 9 but are in contact with each other, so that high-density rainwater and the like are smoothly smoothed from here while moderately suppressing air in and out of the bag. Can be discharged.

実施例及び比較例を作製するために下記の基材を用意した。
基材1: 純白原紙に、低分子量ポリエチレンワックス10%を含有するパラフィンワックスを8.5g/mの割合で表面に塗布加工処理したもの。その炭酸ガス透過度は2.294×10ml/m・24hr・atmであり、水蒸気透過度は469g/m・24hrである。上記炭酸ガス透過度は測定環境が40℃、相対湿度90%の条件下で測定したものであり、水蒸気透過度は測定環境が25℃、相対湿度10%の条件下で測定したものである(以下、同じ)。
The following base materials were prepared for producing Examples and Comparative Examples.
Substrate 1: A pure white base paper coated with a paraffin wax containing 10% low molecular weight polyethylene wax at a rate of 8.5 g / m 2 on the surface. The carbon dioxide gas permeability is 2.294 × 10 2 ml / m 2 · 24 hr · atm, and the water vapor permeability is 469 g / m 2 · 24 hr. The carbon dioxide permeability is measured under a measurement environment of 40 ° C. and a relative humidity of 90%, and the water vapor permeability is measured under a measurement environment of 25 ° C. and a relative humidity of 10% ( same as below).

基材2: 純白原紙に、低分子量ポリエチレンワックス10%を含有するパラフィンワックスを6.5g/mの割合で表面に塗布加工処理したもの。その炭酸ガス透過度は2.346×10ml/m・24hr・atmであり、水蒸気透過度は994g/m・24hrである。
基材3: 耐湿グラシン紙の上に、純白原紙の表面を水性ワックスエマルジョンにより処理したものを重ね合せたもの。この重ね合せ体の炭酸ガス透過度は3.398×10ml/m・24hr・atmであり、水蒸気透過度は3316g/m・24hrである。
Substrate 2: A pure white base paper coated with a paraffin wax containing 10% low molecular weight polyethylene wax at a rate of 6.5 g / m 2 on the surface. The carbon dioxide gas permeability is 2.346 × 10 5 ml / m 2 · 24 hr · atm, and the water vapor permeability is 994 g / m 2 · 24 hr.
Substrate 3: A material obtained by superposing a surface of pure white base paper with an aqueous wax emulsion on moisture-resistant glassine paper. This laminated body has a carbon dioxide gas permeability of 3.398 × 10 5 ml / m 2 · 24 hr · atm, and a water vapor permeability of 3316 g / m 2 · 24 hr.

基材4: 厚さ40μmの低密度ポリエチレンフイルムであって、炭酸ガス透過度は2.30×10ml/m・24hr・atmであり、水蒸気透過度は16g/m・24hrのもの。
基材5: 純白原紙に、パラフィンワックスを11g/mの割合で表面に塗布加工処理した慣行の基材。その炭酸ガス透過度は2.584×10ml/m・24hr・atmであり、水蒸気透過度は165g/m・24hrである。
Substrate 4: Low density polyethylene film with a thickness of 40 μm, carbon dioxide permeability is 2.30 × 10 4 ml / m 2 · 24 hr · atm, and water vapor permeability is 16 g / m 2 · 24 hr .
Base material 5: A conventional base material obtained by applying paraffin wax to the surface of pure white base paper at a rate of 11 g / m 2 . The carbon dioxide gas permeability is 2.584 × 10 7 ml / m 2 · 24 hr · atm, and the water vapor permeability is 165 g / m 2 · 24 hr.

(実施例1)
上記基材1を使用し、横165mm×縦196mmの上部開口を有する平袋を形成し、底部にはその両隅部に長さ10mmの非接着部を残して糊付けし、上記非接着部を開口部としたもので、平袋の一側に沿い上部開口6側に針金の係止具を設けたもの。開口部の底部長さに対する割合は12%である。
Example 1
Using the base material 1, a flat bag having a top opening of 165 mm in width and 196 mm in length is formed, and a non-adhesive part having a length of 10 mm is left on the bottom part and glued, and the non-adhesive part is attached. It is an opening, and is provided with a wire locking tool on the upper opening 6 side along one side of the flat bag. The ratio of the opening to the bottom length is 12%.

(実施例2)
上記基材2を使用し、他は上記実施例1と同様に形成したもの。
(実施例3)
上記基材3を使用し、他は上記実施例1と同様に形成したもの。
(実施例4)
上記底部にはその両隅部に非接着部を設けず開口部を有しないもので、他は実施例2と同様にしたもの。
(Example 2)
The substrate 2 was used, and the others were formed in the same manner as in Example 1.
Example 3
The substrate 3 was used, and the others were formed in the same manner as in Example 1.
Example 4
The bottom is not provided with non-adhesive portions at both corners and does not have an opening, and the others are the same as those in the second embodiment.

(比較例1)
上記基材4を使用し、他は上記実施例1と同様に形成したもの。
(比較例2)
上記基材5を使用し、他は上記実施例1と同様に形成したもの。
(比較例3)
上記底部にはその両隅部に長さ20mmの非接着部を設けて開口部としたもので、他は実施例2と同様にしたもの。開口部の底部長さに対する割合は24%である。
(比較例4)
上記底部にはその両隅部に長さ20mmの非接着部を設けて開口部としたもので、他は比較例2と同様にしたもの。開口部の底部長さに対する割合は24%である。
(Comparative Example 1)
The substrate 4 was used, and the others were formed in the same manner as in Example 1.
(Comparative Example 2)
The substrate 5 was used, and the others were formed in the same manner as in Example 1.
(Comparative Example 3)
The bottom part is provided with a non-adhesive part having a length of 20 mm at both corners to form an opening, and the other part is the same as in Example 2. The ratio of the opening to the bottom length is 24%.
(Comparative Example 4)
The bottom part is provided with non-adhesive parts having a length of 20 mm at both corners to form openings, and the other parts are the same as those in Comparative Example 2. The ratio of the opening to the bottom length is 24%.

上記実施例及び比較例の性能を見るために、以下の試験を行った。
(排水性試験)
実施例2、実施例4、比較例4を使用し、桃(川中島白桃)及び梨(幸水)の果実に上記したような常法により袋掛けし、露地栽培において雨が降った翌日に袋内から排出されない貯留水の量を測定した。
貯留水の量は、袋内に半分溜まった時の量を100として、指数化して表示した。
In order to see the performance of the above examples and comparative examples, the following tests were conducted.
(Drainage test)
Using Example 2, Example 4, and Comparative Example 4, bag the peach (Kawanakajima white peach) and pear (Kousui) fruits by the conventional method as described above, and the day after raining in the open field cultivation The amount of stored water that was not discharged from the bag was measured.
The amount of stored water was displayed as an index, with the amount of water stored in the bag half as 100.

(結果)

Figure 2016214186
(result)
Figure 2016214186

(炭酸ガス濃度試験)
実施例2、実施例4、比較例3、比較例4を使用し、桃(川中島白桃)、梨(幸水)、梨(ゴールド二十世紀)の果実に定法により袋掛けし、露地にて栽培し、実施例4については雨避けシートを架けた。そして、収穫の2〜7日前の3日間、袋内の炭酸ガス濃度を測定しその含有平均値(%)を出した。炭酸ガス濃度の測定には、ダンセンサー(Dansensor)社製のチェックポイントII(CheckPointII)を使用した。
(CO2 concentration test)
Using Example 2, Example 4, Comparative Example 3, and Comparative Example 4, bags of peaches (Kawanakajima white peach), pears (Kosui), pears (gold twentieth century) were bagged in the usual way, For Example 4, a rain avoidance sheet was laid. And the carbon dioxide concentration in the bag was measured for 3 days before 2 to 7 days before harvesting, and the content average value (%) was obtained. For the measurement of the carbon dioxide concentration, CheckPoint II manufactured by Dansensor was used.

(結果)

Figure 2016214186
(result)
Figure 2016214186

(糖度測定試験)
実施例1〜実施例4、比較例1〜比較例3を使用し、桃(川中島白桃)、梨(幸水)、梨(ゴールド二十世紀)の果実に常法により袋掛けし、露地にて栽培し、実施例4については雨避けシートを架けた。そして、収穫時の糖度(Brix%)を測定した。糖度の測定には株式会社アタゴ製のデジタル糖度計PR101αを使用した。
(Sugar content measurement test)
Using Examples 1 to 4 and Comparative Examples 1 to 3, bags of peaches (Kawanakajima white peach), pears (Kosui), pears (gold twentieth century) are bagged in the usual way, In Example 4, a rain-avoidance sheet was laid. The sugar content (Brix%) at the time of harvest was measured. A sugar content meter PR101α manufactured by Atago Co., Ltd. was used for the measurement of sugar content.

(結果)

Figure 2016214186
(result)
Figure 2016214186

(考察)
表1に示すように、実施例2、比較例4のように袋体の底部に開口部を設けているものでは、袋内に雨水が溜まることが無いので露地栽培でも使用することができるが、実施例4のように開口部の無いものでは雨水の溜まりが見られるから、露地栽培で雨避けシートを使用したり、ハウス内などにおいては有効に使用することができる。
果実袋内の炭酸ガス濃度については、表2に示すように、実施例2のように袋の底部に10mmの開口部を有するものは、実施例4の開口部を有しないものとほぼ同等の程度の濃度を示している。比較例3の袋の底部に20mmの開口部を有するものでは実施例2に比べて濃度が大幅に低くなっており、比較例4の20mmの開口部を有する慣行袋では更に低い濃度を示している。
(Discussion)
As shown in Table 1, in the case where an opening is provided at the bottom of the bag body as in Example 2 and Comparative Example 4, rainwater does not accumulate in the bag, so it can be used in outdoor cultivation. In the case where there is no opening as in Example 4, rainwater pools can be seen. Therefore, a rain avoidance sheet can be used in outdoor cultivation, and it can be used effectively in a house or the like.
Regarding the carbon dioxide gas concentration in the fruit bag, as shown in Table 2, the one having an opening of 10 mm at the bottom of the bag as in Example 2 is almost equivalent to the one having no opening in Example 4. The degree of concentration is shown. The bag having the opening of 20 mm at the bottom of the bag of Comparative Example 3 has a significantly lower concentration than that of Example 2, and the conventional bag having the opening of 20 mm of Comparative Example 4 has a lower concentration. Yes.

果実の糖度については、表3に示すように、実施例3の果実袋を使用したものが最も高い糖度を示しており、実施例1,2,4がこれに次ぐ糖度を示している。そして、実施例1〜実施例4のものは、いずれも比較例1,2のものに比較して高い糖度を示しており、それらの糖度が桃(川中島白桃)では比較例1に対して24〜28%高く、比較例2に対しては18〜22%高くなっている。また、梨(幸水)では比較例1に対して24〜40%高く、比較例2に対しては12〜27%高くなっており、梨(ゴールド二十世紀)では比較例1に対して16〜23%高く、比較例2に対しては6〜12%高くなっている。
また、比較例3は実施例2のものに対して底部の開口部を大きくしたものであるが、実施例2のものより糖度の上昇が相当に低くなっている。このように、実施例1〜実施例4のものは、糖度の向上に効果的であることが判る。
About the sugar content of a fruit, as shown in Table 3, what used the fruit bag of Example 3 has shown the highest sugar content, and Examples 1, 2, and 4 have shown the sugar content next to this. And the thing of Example 1- Example 4 has shown the high sugar content compared with the thing of Comparative Examples 1 and 2, and those sugar contents are peach (Kawanakajima white peach) with respect to the comparative example 1. It is 24 to 28% higher than that of Comparative Example 2, and 18 to 22% higher. Moreover, it is 24 to 40% higher than Comparative Example 1 in pear (Yoshimizu), 12 to 27% higher than Comparative Example 2, and pear (Gold 20th Century) is higher than Comparative Example 1. It is 16-23% higher, and 6-12% higher for Comparative Example 2.
In Comparative Example 3, the opening at the bottom is made larger than that in Example 2, but the increase in sugar content is considerably lower than that in Example 2. Thus, it turns out that the thing of Example 1- Example 4 is effective in the improvement of sugar content.

1: 基材
2: 果実袋
3: 袋面
4,5: 糊付け
6: 上部開口
7: 係止具
8: 底部
9: 開口部
15: 果実
1: Base material 2: Fruit bag 3: Bag surface 4, 5: Gluing 6: Top opening 7: Locking tool 8: Bottom part 9: Opening part 15: Fruit

Claims (4)

生育中の果実を保護・育成するためのものであって、紙、不織布、紙若しくは不織布を加工した加工紙、合成樹脂製フィルムから選ばれる少なくとも1種の基材によって果実袋を形成し、この果実袋の袋面の炭酸ガス透過度が1.0×10〜1.0×10ml/m2・24hr・atmであり、水蒸気透過度が30〜5000g/m2・24hrである糖度向上用果実袋。 For protecting and growing growing fruits, a fruit bag is formed by at least one substrate selected from paper, non-woven fabric, processed paper processed from paper or non-woven fabric, and a synthetic resin film. Carbon dioxide gas permeability of the fruit bag surface is 1.0 × 10 2 to 1.0 × 10 7 ml / m 2 · 24 hr · atm, and water vapor permeability is 30 to 5000 g / m 2 · 24 hr. Fruit bag for improvement. 上記1種の基材の炭酸ガス透過度が1.0×10〜1.0×10ml/m2・24hr・atmであり、水蒸気透過度が30〜5000g/m2・24hrである請求項1に記載の糖度向上用果実袋。 Carbon dioxide gas permeability of the one kind of base material is 1.0 × 10 2 to 1.0 × 10 7 ml / m 2 · 24 hr · atm, and water vapor permeability is 30 to 5000 g / m 2 · 24 hr. The fruit bag for sugar content improvement of Claim 1. 上記果実袋には、更に、その底部の両隅部に水抜き用の開口部を設け、各開口部の長さは15mm以下でありかつ全開口部の長さは底部長さに対する割合が20%以下である請求項1または2に記載の糖度向上用果実袋。   The fruit bag is further provided with openings for draining at both corners of the bottom, the length of each opening is 15 mm or less, and the length of all openings is 20% of the length of the bottom. The fruit bag for improving sugar content according to claim 1 or 2, wherein the fruit bag is% or less. 上記底部の開口部は、果実袋の底部を接着によって形成する際の非接着部分によって設けられている請求項3に記載の糖度向上用果実袋。   The fruit bag for improving sugar content according to claim 3, wherein the opening of the bottom part is provided by a non-adhesive part when the bottom part of the fruit bag is formed by adhesion.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538268A (en) * 1978-09-08 1980-03-17 Asahi Dow Ltd Vegetablessanddfruits packing method
JPS5765133A (en) * 1980-10-06 1982-04-20 Toyo Boseki Packaging of fruit
JPS612043U (en) * 1984-06-12 1986-01-08 小林製袋産業株式会社 fruit bag
JPH03180124A (en) * 1989-12-07 1991-08-06 Mitsubishi Kasei Corp Bag for fruit cultivation
JPH067082A (en) * 1992-06-26 1994-01-18 Rengo Co Ltd Freshness keeping method of broccoli @(3754/24)and) cauliflower

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538268A (en) * 1978-09-08 1980-03-17 Asahi Dow Ltd Vegetablessanddfruits packing method
JPS5765133A (en) * 1980-10-06 1982-04-20 Toyo Boseki Packaging of fruit
JPS612043U (en) * 1984-06-12 1986-01-08 小林製袋産業株式会社 fruit bag
JPH03180124A (en) * 1989-12-07 1991-08-06 Mitsubishi Kasei Corp Bag for fruit cultivation
JPH067082A (en) * 1992-06-26 1994-01-18 Rengo Co Ltd Freshness keeping method of broccoli @(3754/24)and) cauliflower

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