JP4901038B2 - Disposal method - Google Patents

Disposal method Download PDF

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Publication number
JP4901038B2
JP4901038B2 JP2001282008A JP2001282008A JP4901038B2 JP 4901038 B2 JP4901038 B2 JP 4901038B2 JP 2001282008 A JP2001282008 A JP 2001282008A JP 2001282008 A JP2001282008 A JP 2001282008A JP 4901038 B2 JP4901038 B2 JP 4901038B2
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water
treatment
seed
germination
disinfection
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JP2003088209A (en
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幸則 石渡
洋介 斉藤
信夫 阿知波
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Hoshizaki Electric Co Ltd
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Hoshizaki Electric Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は、種籾の処理方法に関する。
【0002】
【従来の技術】
種籾を播種する場合には、播種に先だって、種籾の発芽を促進しかつその後の苗の生育を促進するための種々の処理がなされる。従来行われている種籾の処理は、種籾を塩水により選別、水洗、農薬による消毒、風乾、水浸漬による発芽促進等の処理を一連で行うものである。
【0003】
これらの処理のうち、塩水による選別は、塩水を使用して比重の差により、種籾群中の充実した種籾と軽い籾や籾殻とを選別する工程(塩水選別工程)であり、水洗は、選別された充実した種籾を流水で2分〜3分の間洗浄して塩分を除去する工程(水洗浄工程)であり、農薬による洗浄は、水洗して水切り後に袋詰めされた状態の種籾を、希釈された農薬に24時間程度浸漬して種籾の消毒を行う工程(消毒処理工程)であり、風乾は、農薬で浸漬処理された種籾を陰干しして、種籾の表面に農薬を十分に密着させて消毒効果を高めるための工程(風乾工程)であり、水浸漬は、消毒処理された種籾を水に浸漬して、種籾に水を十分に含ませることにより、種籾の冬眠状態を打破して発芽を促進させるための工程(発芽促進処理工程)である。
【0004】
これらの各工程においては、種籾の発芽を促進しかつ苗の生育を促進させる観点からすれば、種籾の消毒処理工程と発芽促進処理工程は不可欠で重要な工程である。
【0005】
従って、これらの不可欠な工程では、種々の改良された方法を採用して、これらの工程で発生する問題を解消することが要請される。消毒処理工程では、例えば、使用される農薬の種籾に及ぼす安全面の影響や、処理後の農薬の公害面の影響等の問題を解消することが要請される。また、発芽促進処理工程では、例えば、種籾に水を十分に含ませて種籾の冬眠状態を打破するためには7日間以上という長い時間が必要であり、処理時間の短縮が要請される。
【0006】
【発明が解決しようとする課題】
これらの要請のうち、消毒処理工程での農薬の使用による問題については、特開平11−302117号公報にて提案されている「いもち病の防除方法」において殺菌液として使用しているpHが2程度の強酸性の電解生成酸性水を、種籾の消毒処理工程の消毒液として採用することにより解消し得る。しかしながら、発芽促進処理工程での処理時間の短縮については、この問題を解決するための手段は未だ提案されていない。
【0007】
従って、本発明の目的は、当該消毒処理工程では、農薬の使用を廃止して種籾に及ぼす安全面の影響や、処理後の農薬の公害面の影響等の問題を解消することにあり、これに併せて、当該発芽促進処理工程では、種籾の発芽促進に影響を及ぼすことなく処理時間の短縮を図ることにある。
【0008】
【課題を解決するための手段】
本発明は種籾の処理方法に関するもので、消毒処理工程および発芽促進処理工程を有し、播種に先だって、種籾を消毒処理しかつ発芽促進処理する方式の種籾の処理方法を適用対象とするものである。
【0009】
本発明に係る種籾の処理方法は、前記消毒工程においては、種籾を、電解生成酸性水を消毒液として消毒処理し、かつ、前記発芽促進処理工程では、消毒処理後の種籾を、電解生成酸性水を浸漬液として発芽促進処理する種籾の処理方法である。
【0010】
しかして、本発明に係る種籾の処理方法においては、前記消毒処理工程で使用する消毒液として、無機塩化物の希薄水溶液を被電解水とする有隔膜電解により陽極室にて生成される電解生成酸性水であってpHが2.0〜3.0の範囲にある電解生成酸性水を採用し、かつ、前記発芽促進処理工程で使用する浸漬液として、水道水を被電解水とする有隔膜電解により陽極室にて生成される電解生成酸性水であってpHが4.0〜6.9の範囲にある電解生成酸性水を採用することを特徴とするものである。
【0011】
【0012】
【0013】
【発明の作用・効果】
本発明に係る種籾の処理方法においては、種籾の消毒処理工程では、消毒液として、無機塩化物の希薄水溶液を被電解水とする有隔膜電解により陽極室にて生成される電解生成水であってpHが2.0〜3.0の範囲のものを採用している。当該電解生成酸性水は、強酸性の電解生成酸性水であって高い殺菌作用を有するが、その殺菌能は次亜塩素酸の塩素成分を有効成分とするもので、種籾の表面を速やかに消毒する。
【0014】
また、当該電解生成酸性水が含有する有効塩素成分は、種籾の表面に触れると速やかに分解、消失して種籾には残存しないとともに、消毒済み水には有害物質は一切存在せず、消毒済み水を廃水として直接排出することができるとともに、これを回収して当該電解生成水用の被電解水として採用することができる。
【0015】
本発明に係る種籾の処理方法においては、種籾の発芽促進処理工程では、種籾を発芽促進するために使用する浸漬液として、水道水を被電解水とする有隔膜電解により陽極室にて生成される電解生成水であってpHが4.0〜6.9の範囲のものを採用している。当該電解生成酸性水は弱酸性の電解生成酸性水であって、種籾の浸漬水として従来使用されている水道水等の一般水に比較して、溶存酸素の比率が高く、また、表面張力が高くてぬれ性が高いため、種籾内に加速度的に浸入する。
【0016】
このため、種籾は迅速かつ大量に水分を吸収して発芽を促進し、しかも、浸入した電解生成酸性水の溶存酸素が発芽阻害物質を酸化等して、種籾の発芽を一層促進させるものと推測される。このため、当該処理方法によれば、種籾の発芽促進に影響を及ぼすことなく処理時間の短縮を図ることができ、また、一定の処理時間の処理においては、種籾の発芽促進の向上を図ることができる。
【0017】
【0018】
【発明の実施の形態】
本発明は、消毒処理工程および発芽促進処理工程を有し、播種に先だって、種籾を消毒処理しかつ発芽促進処理する種籾の処理方法に関するもので、より具体的には、図1に示す各処理工程からなる処理方法である。
【0019】
当該種籾の処置方法は、播種に先だって、種籾を消毒処理しかつ発芽促進処理することを主要目的とするものであって、塩水選別工程、水洗浄工程、消毒処理工程、風乾工程、および、発芽促進処理工程を備えているものである。
【0020】
当該処理方法においては、塩水選別工程は、選別用水として塩水を使用して、種籾群中の充実した種籾と軽い籾や籾殻とを比重の差により選別する工程であって、当該塩水選別工程では充実した種籾のみを採取するものである。水洗浄工程は、塩水選別工程で選別された充実した種籾を流水で2分〜3分の間洗浄することにより、種籾から塩分を除去する工程であって、塩分の種籾の発芽や生育に及ぼす影響を完全に解消させるものである。
【0021】
消毒処理工程は、水洗浄された充実した種籾を消毒液を使用して消毒する工程であって、水洗浄工程で水洗浄された充実した種籾を水切りして袋詰めにした状態で、貯留する消毒液または流動する消毒液に24時間程度浸漬して、病害を防除するものである。従来の消毒処理工程では、消毒液として、例えばスポルタックスターナSE等のオキソリニック酸系の農薬が採用されているが、本発明に係る処理方法では、当該農薬に替えて、強酸性の電解生成酸性水を採用するものである。
【0022】
風乾工程は、消毒処理工程で消毒された充実した種籾を日陰で風で乾燥する工程であって、消毒液で処理された充実した種籾を乾燥するものである。従来の風乾工程では、消毒処理工程で使用した消毒液を種籾の表面に十分に残留させることを目的としている。本発明に係る処理方法では、消毒液として、強酸性の電解生成酸性水を採用していて、当該電解生成酸性水の消毒能(殺菌能)は、種籾に触れると即座に揮発して消失することから、長時間の風乾は不要であって、他の工程とは独立した風乾工程を省略することも可能である。
【0023】
発芽促進処理工程は、消毒処理された充実した種籾を浸漬液に浸漬して種籾に水を十分に含ませる工程であって、種籾に水を十分に含ませることにより種籾の冬眠状態を打破して発芽を促進させるものである。従来の発芽促進処理工程では、浸漬液として水道水等の一般水を採用していて、例えば7日間程度の長時間かけて浸漬処理している。本発明に係る処理方法では、浸漬液として、実質的には、弱酸性の電解生成酸性水を採用して、発芽と生育の一層の促進を図り、以て、その浸漬処理の効率の向上を図っている。
【0024】
本発明に係る種籾の処理方法においては、これらの各処理工程を備える種籾の処理方法において、消毒処理工程で使用する消毒液として強酸性の電解生成酸性水を採用し、かつ、発芽促進処理工程で使用する浸漬液として、弱酸性の電解生成酸性水を採用していることを特徴とするものである。
【0025】
発芽促進処理工程で使用する浸漬液として採用する弱酸性の電解生成水は、例えば水道水を被電解水として、有隔膜電解槽を有する電解水生成装置で生成されるもので、電解槽の陽極室側で生成される。この場合、陽極室側に生成される電解生成水は、pHが4.0〜6.9の範囲にあり、浸漬液として従来使用されている水道水等の一般水に比較して、次亜塩素酸の比率が高く、表面張力が高くてぬれ性が高く、かつ、溶存酸素量が高いという特性を有し、種籾内には加速度的に浸入する。
【0026】
【0027】
このため、このような特性を有する電解生成酸性水を浸漬液として採用している、本発明に係る種籾の処理方法においては、種籾は迅速かつ大量に水分を吸収して発芽を促進し、しかも、浸入した電解生成酸性水は、次亜塩素酸量および溶存酸素量が高く、発芽促進阻害物質が酸化されて不活性化するものと推測されることから、種籾の発芽は一層促進されることになる。従って、当該発芽促進処理工程によれば、種籾の発芽促進に影響を及ぼすことなく処理時間の短縮を図ることができ、また、一定の処理時間の処理においては、種籾の発芽促進の向上を図ることができる。
【0028】
【0029】
また、消毒処理工程で使用する消毒液として採用している強酸性の電解生成酸性水は、塩化ナトリウム、塩化カリウム等の無機塩化物の希薄水溶液を被電解水として、有隔膜電解槽を有する電解水生成装置で生成されるもので、この場合には電解槽の陽極室側で生成される。陽極室側に生成される電解生成酸性水は、pHが2.0〜3.0の範囲にあって高い殺菌能を有するが、その殺菌能は次亜塩素酸の塩素成分を有効成分とするもので、種籾の表面に触れるとこれを速やかに消毒する。また、当該電解生成酸性水の塩素成分は、種籾の表面に触れると速やかに分解、消失して種籾には残存しないとともに、消毒済み水には公害問題を引き起こすような有害物質は一切存在しない。
【0030】
このため、消毒処理工程で使用された消毒済み液を廃水として直接排出することができるとともに、これを回収して当該電解生成酸性水用の被電解水として採用することができる。なお、当該消毒処理工程での消毒処理は、発芽促進処理工程における電解生成酸性水を採用することによる作用効果に対しては、良好な影響を及ぼすことはあっても悪影響も及ぼすものではない。
【0031】
【実施例1】
本実施例では、本発明に係る種籾の処理方法を構成する発芽処理工程を実施して、その成果を確認するする実験を試みた。当該実験では、図1に示す処理方法に基づいて、消毒処理工程を省略した状態で、種籾の発芽処理工程を実施したが、全ての工程を従来法に基づく処理(比較例1)と、発芽促進処理工程で使用する浸漬液として弱酸性の電解生成酸性水を採用した処理(実施例1,2)と、強酸性の電解生成酸性水を採用した処理(比較例2)の4例の実験を行い、これらの処理を施した種籾を播種した5日後の発芽状態、および、播種した19日後の苗の生育状態を観察して、その評価を行った。得られた結果を表1に示す。
【0032】
但し、発芽促進処理工程で使用する浸漬液は、比較例1に係る実験にあっては水道水であり、実施例1,2に係る実験にあっては、pHが5.13、残留塩素濃度が0.06mg/L、酸化還元電位が90mV、電導度が0.231mS/cmの特性を有する弱酸性の電解生成水であり、比較例2に係る実験にあっては、pHが2.7、残留塩素濃度が40mg/L、酸化還元電位が1100mV、電導度が2.7mS/cmの特性を有する強酸性の電解生成酸性水である。また、評価は◎…最良、○…良、△…普通、×…不良の4段階で行った。また、発芽状態の評価の基準は、実がふくらんで根が2mm程度で出ている状態を標準(△…普通)とした。
【0033】
【表1】

Figure 0004901038
【0034】
【実施例2】
本実施例では、本発明に係る種籾の処理方法(消毒処理工程および発芽種籾の処理方法促進工程の両工程を含む)を実施して、その成果を確認するする実験を試みた。当該実験では、図1に示す処理方法に基づいて種籾の処理を行ったが、全ての工程を従来法に基づく処理(比較例1)、消毒処理工程では水道水を採用する処理(比較例2)、消毒処理工程で使用する消毒液として強酸性の電解生成酸性水を、発芽促進処理工程で使用する浸漬液として弱酸性の電解生成酸性水を採用する処理(実施例1,2)、または、発芽促進処理工程で使用する浸漬液として強酸性の電解生成酸性水を採用する処理(比較例6)の各例の実験を行った。
【0035】
さらに、消毒処理工程で使用する消毒液として農薬を、発芽促進処理工程で使用する浸漬液として強酸性の電解生成酸性水を採用する処理(比較例3)、発芽促進処理工程で使用する浸漬液として弱酸性の電解生成酸性水を採用する処理(比較例4,5)の各例の実験を行った。
【0036】
これらの処理を施した種籾を播種した1日後の発芽状態、および、播種した14日後の苗の生育状態を観察して、その評価を行った。得られた結果を表2に示す。
【0037】
但し、各発芽促進処理工程で使用する浸漬液は、弱酸性の電解生成酸性水にあっては、pHが5.13、残留塩素濃度が0.06mg/L、酸化還元電位が90mV、電導度が0.213mS/cmの特性を有する電解生成酸性水であり、強酸性の電解生成酸性水にあっては、pHが2.7、残留塩素濃度が40mg/L、酸化還元電位が1100mV、電導度が2.7mS/cmの特性を有する電解生成水である。また、評価は◎…最良、○…良、△…普通、×…不良の4段階で行った。また、発芽状態の評価の基準は、実がふくらんで根が2mm程度で出ている状態を標準(△…普通)とした。
【0038】
【表2】
Figure 0004901038

【図面の簡単な説明】
【図1】本発明は適用対象とする種籾の処理方法の各工程を示す工程図である。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for treating seed pods.
[0002]
[Prior art]
When sowing seed pods, prior to sowing, various treatments are performed to promote germination of seed pods and to promote the growth of subsequent seedlings. Conventionally, the treatment of seed pods involves a series of processes such as selection of seed pods with salt water, washing with water, disinfection with agricultural chemicals, air drying, and germination promotion by water immersion.
[0003]
Among these treatments, sorting with salt water is a process (salt water sorting process) that uses salt water to sort out enriched seed pods and light cocoons and rice husks in the seed pod group based on the difference in specific gravity. It is a process (water washing process) in which the enriched seed pods are washed with running water for 2 to 3 minutes to remove the salt (washing process). It is a process of disinfecting seed pods by immersing them in diluted pesticides for about 24 hours (disinfection process). Air drying is performed in the shade of seed pods soaked with pesticides so that the pesticides are sufficiently adhered to the surface of the seed pods. It is a process to improve the disinfection effect (air-drying process), and water soaking breaks down the hibernation state of seed pods by immersing the sterilized seed pods in water so that the seed pods contain enough water. It is a process (germination promotion treatment process) for promoting germination .
[0004]
In each of these steps, from the viewpoint of promoting the germination of seed pods and promoting the growth of seedlings, the seed sterilization treatment process and the germination promotion treatment process are indispensable and important steps.
[0005]
Therefore, in these indispensable processes, it is required to adopt various improved methods to solve problems occurring in these processes. In the disinfection process, for example, it is required to solve problems such as the influence of safety on the seeds of the pesticide used and the influence of pollution of the agricultural chemical after the treatment. In the germination promotion treatment step, for example, in order to break down the hibernation state of seed pods by sufficiently containing water in the seed pods, a long time of 7 days or more is required, and a reduction in processing time is required.
[0006]
[Problems to be solved by the invention]
Among these requests, regarding the problems caused by the use of agricultural chemicals in the disinfection treatment step, the pH used as a sterilizing solution in the “Method of controlling rice blast” proposed in JP-A-11-302117 is 2 It can be eliminated by adopting electrolyzed acidic water of strong acidity to a degree as a disinfectant for the disinfecting treatment process of seed potatoes. However, no means for solving this problem has been proposed for shortening the treatment time in the germination promotion treatment step.
[0007]
Therefore, the object of the present invention is to eliminate the problems such as the influence of safety on the seeds by eliminating the use of agricultural chemicals in the disinfection treatment process and the influence of pollution on the agricultural chemicals after treatment. In addition, in the germination promotion treatment step, the treatment time is shortened without affecting the germination promotion of seed pods .
[0008]
[Means for Solving the Problems]
The present invention relates to a method for treating seed pods, which has a disinfection treatment step and a germination promotion treatment step, and is intended for application of a seed pod treatment method in which seed pods are sterilized and germination promotion treatment is performed prior to sowing. is there.
[0009]
In the method for treating seed potatoes according to the present invention, in the disinfection step, seed potatoes are sterilized using electrolytically generated acidic water as a disinfectant solution, and in the germination promoting treatment step, the seed buds after disinfection treatment are subjected to electrolytically generated acidic It is the processing method of the seed pod which carries out germination promotion processing using water as an immersion liquid.
[0010]
Thus, in the seed soy treatment method according to the present invention, as the disinfecting solution used in the disinfecting treatment step, electrolytic production generated in the anode chamber by diaphragm membrane electrolysis using a dilute aqueous solution of inorganic chloride as electrolyzed water. A diaphragm that employs electrolytically generated acidic water that is acidic water and has a pH in the range of 2.0 to 3.0, and uses tap water as electrolyzed water as an immersion liquid used in the germination promotion treatment step. Electrolytically generated acidic water produced in the anode chamber by electrolysis and having a pH in the range of 4.0 to 6.9 is employed.
[0011]
[0012]
[0013]
[Operation and effect of the invention]
In the seed meal processing method according to the present invention, in the seed meal disinfection process, electrolysis water produced in the anode chamber by diaphragm membrane electrolysis using a dilute aqueous solution of inorganic chloride as the electrolyzed water is used as the disinfectant. The pH is in the range of 2.0 to 3.0. The electrolyzed acid water is a strong acid electrolyzed acid water and has a high bactericidal action, but its bactericidal ability uses the chlorine component of hypochlorous acid as an active ingredient, and disinfects the surface of the seed vat quickly. To do.
[0014]
In addition, the effective chlorine component contained in the electrolytically generated acidic water decomposes and disappears quickly when it comes into contact with the surface of the seed vat and does not remain in the vat, and the disinfected water has no harmful substances and has been disinfected. Water can be directly discharged as waste water, and it can be recovered and used as electrolyzed water for the electrolyzed water.
[0015]
In the seed pod processing method according to the present invention, in the seed sprouting promotion treatment step, as an immersion liquid used for promoting seed sprouting, it is produced in the anode chamber by diaphragm membrane electrolysis using tap water as electrolyzed water. Water having a pH in the range of 4.0 to 6.9 is employed. The electrolytically generated acidic water is weakly acidic electrolytically generated acidic water, and has a higher ratio of dissolved oxygen and surface tension than conventional water such as tap water conventionally used as seed water. Because of its high wettability, it penetrates into the seeds at an accelerated rate.
[0016]
Therefore, seeds promotes sprouting absorb rapid and massive moisture, moreover, entering the Dissolved oxygen of the electrolytic acid water is oxidized and the like germination inhibitors, as to further promote the germination of rice seeds Guessed. Therefore, according to the treatment method, it is possible to shorten the treatment time without affecting the germination promotion of the seed pod, and to improve the germination promotion of the seed pod in the treatment for a certain treatment time. Can do.
[0017]
[0018]
DETAILED DESCRIPTION OF THE INVENTION
The present invention relates to a method for treating seed pods, which has a disinfection treatment step and a germination promotion treatment step, disinfects seed pods and germinates advance treatment before sowing, and more specifically, each treatment shown in FIG. It is the processing method which consists of a process.
[0019]
The treatment method of the seed pods is mainly intended to disinfect the seed pods and promote germination prior to sowing, and includes a salt water sorting step, a water washing step, a disinfection treatment step, an air drying step, and germination. It has an accelerated processing step.
[0020]
In the treatment method, the salt water sorting step is a step of sorting the enriched seed pods and light cocoons and rice husks in the seed pod group according to the difference in specific gravity using the salt water as the sorting water, and in the salt water sorting step, Only rich seed potatoes are collected. The water washing process is a process of removing salt from the seed seeds by washing the enriched seed seeds selected in the salt water sorting process with running water for 2 to 3 minutes, and affects the germination and growth of the salt seed seeds. The effect is completely eliminated.
[0021]
The disinfection process is a process of disinfecting the seeds that have been washed with water using a disinfectant, and the seeds that have been washed with water in the water washing process are drained and stored in a bag. It is immersed in a disinfecting solution or a flowing disinfecting solution for about 24 hours to control diseases. In the conventional disinfection process, an oxolinic acid-based pesticide such as Sportac Stana SE is employed as the disinfectant. However, in the treatment method according to the present invention, a strongly acidic electrogenerated acid is used instead of the pesticide. Adopt water.
[0022]
The air drying step is a step of drying the solid seed pods sterilized in the disinfection treatment step in the shade, and drying the solid seed varieties treated with the disinfecting solution. In the conventional air drying process, the disinfectant used in the disinfection process is intended to remain sufficiently on the surface of the seed pod. In the treatment method according to the present invention, strongly acidic electrolytically generated acidic water is used as the disinfecting solution, and the disinfecting ability (sterilizing ability) of the electrolytically generated acidic water immediately volatilizes and disappears when it comes into contact with the seed vat. Therefore, air drying for a long time is unnecessary, and it is possible to omit an air drying process independent of other processes.
[0023]
The germination promotion treatment step is a step of immersing a complete seed sterilized seed soaked in the soaking solution to fully contain the water in the seed soy, and to break the hibernation state of the seed soy by sufficiently containing water in the seeds. To promote germination. In the conventional germination promotion treatment step, general water such as tap water is employed as the immersion liquid, and the immersion treatment is performed over a long period of time, for example, about 7 days. In the treatment method according to the present invention, substantially acidic electrolyzed acidic water is employed as the immersion liquid to further promote germination and growth, thereby improving the efficiency of the immersion process. I am trying.
[0024]
In the method for treating seed potato according to the present invention, in the method for treating seed potato comprising each of these treatment steps, strongly acidic electrolyzed acidic water is used as a disinfectant used in the disinfection treatment step, and germination promotion treatment step As the immersion liquid used in the above, weakly acidic electrogenerated acidic water is employed .
[0025]
The weakly acidic electrolyzed water employed as the immersion liquid used in the germination promotion treatment step is generated by an electrolyzed water generating device having a diaphragm electrolyzer, for example, with tap water as electrolyzed water. Generated on the room side. In this case, the electrolytically generated water generated on the anode chamber side has a pH in the range of 4.0 to 6.9, and is lower than that of general water such as tap water conventionally used as an immersion liquid. It has the characteristics that the ratio of chloric acid is high, the surface tension is high, the wettability is high, and the amount of dissolved oxygen is high.
[0026]
[0027]
For this reason, in the treatment method of seed pods according to the present invention that employs electrolytically generated acidic water having such characteristics as the immersion liquid, the seed pods absorb moisture quickly and in large quantities to promote germination, and Intruded electrolyzed acidic water has a high amount of hypochlorous acid and dissolved oxygen, and germination promotion inhibitors are presumed to be inactivated by oxidation. become. Therefore, according to the germination promotion treatment step , it is possible to shorten the treatment time without affecting the germination promotion of the seed pod, and to improve the germination promotion of the seed pod in the treatment for a certain treatment time. be able to.
[0028]
[0029]
The strongly acidic electrolyzed acidic water used as a disinfectant used in the disinfection process is an electrolytic solution having a diaphragm membrane electrolytic cell with a dilute aqueous solution of inorganic chlorides such as sodium chloride and potassium chloride as electrolyzed water. The water is generated by a water generator, and in this case, it is generated on the anode chamber side of the electrolytic cell. Electrolyzed acidic water produced on the anode chamber side has a high sterilizing ability in the pH range of 2.0 to 3.0, but the sterilizing ability is based on the chlorine component of hypochlorous acid. If it touches the surface of the seed vat, it will disinfect it quickly. In addition, the chlorine component of the electrolytically generated acidic water quickly decomposes and disappears when it comes into contact with the surface of the seed soot and does not remain in the seed soy, and the disinfected water does not contain any harmful substances that cause pollution problems.
[0030]
Therefore, the sterilized liquid used in the sterilization treatment step can be directly discharged as waste water, and can be recovered and used as electrolyzed water for the electrolytically generated acidic water. In addition, the disinfection process in the said disinfection process process may have a favorable effect, but does not have a bad influence with respect to the effect by employ | adopting the electrolytically produced acidic water in a germination promotion process process.
[0031]
[Example 1]
In this example, an experiment was carried out in which the germination treatment process constituting the seed soy treatment method according to the present invention was carried out and the result was confirmed. In the experiment, based on the treatment method shown in FIG. 1, the germination treatment process of seed pods was carried out in a state where the disinfection treatment process was omitted, but all the processes were treated based on the conventional method (Comparative Example 1) and germination. Four experiments: treatment using weakly acidic electrogenerated acidic water (Examples 1 and 2) as an immersion liquid used in the accelerated treatment process, and treatment employing strong acidic electrogenerated acidic water (Comparative Example 2) The germination state 5 days after sowing the seed pods subjected to these treatments and the growth state of seedlings 19 days after sowing were observed and evaluated. The obtained results are shown in Table 1.
[0032]
However, the immersion liquid used in the germination promotion treatment step is tap water in the experiment according to Comparative Example 1, and the pH is 5.13 and the residual chlorine concentration in the experiment according to Examples 1 and 2. Is weakly acidic electrolyzed water having the characteristics of 0.06 mg / L, oxidation-reduction potential of 90 mV, and conductivity of 0.231 mS / cm. In the experiment according to Comparative Example 2 , the pH is 2.7. This is strongly acidic electrolyzed acidic water having the characteristics of a residual chlorine concentration of 40 mg / L, an oxidation-reduction potential of 1100 mV, and an electric conductivity of 2.7 mS / cm. The evaluation was made in four stages: ◎ ... best, ○ ... good, △ ... normal, × ... bad. In addition, the standard for evaluating the germination state was a state (Δ: normal) in which the fruit was inflated and the roots appeared at about 2 mm.
[0033]
[Table 1]
Figure 0004901038
[0034]
[Example 2]
In this example, an experiment was carried out to confirm the results of carrying out the seed meal processing method (including both the disinfection treatment process and the germination seed seed processing method promotion process) according to the present invention. In this experiment, seed pods were treated based on the treatment method shown in FIG. 1, but all the processes were based on the conventional method (Comparative Example 1), and the disinfection treatment process was a process using tap water (Comparative Example 2). ), A treatment (Examples 1 and 2) in which strong acid electrolytically generated acidic water is used as the disinfecting solution used in the disinfecting treatment step, and weakly acidic electrolytically generated acidic water is used as the immersion liquid used in the germination promoting treatment step, or The experiment of each example of the treatment (Comparative Example 6) employing strongly acidic electrolytically generated acidic water as an immersion liquid used in the germination promotion treatment step was conducted.
[0035]
In addition, the pesticide as disinfectant solution used in the disinfection process, the process (Comparative Example 3) employing a strongly acidic electrolytic acid water as an immersion liquid used in the germination process, used in germination process Each example of the treatment (Comparative Examples 4 and 5) employing weakly acidic electrolytically generated acidic water as the immersion liquid was conducted.
[0036]
The germination state one day after sowing the seed pods subjected to these treatments and the growth state of seedlings 14 days after sowing were observed and evaluated. The obtained results are shown in Table 2.
[0037]
However, the immersion liquid used in each germination promotion treatment step is pH 5.13, residual chlorine concentration 0.06 mg / L, oxidation-reduction potential 90 mV, conductivity in weakly acidic electrogenerated acidic water. Is electrolytically generated acidic water having a characteristic of 0.213 mS / cm. In strongly acidic electrolytically generated acidic water, pH is 2.7, residual chlorine concentration is 40 mg / L, oxidation-reduction potential is 1100 mV, electrical conductivity It is electrolytically generated water having a characteristic of a degree of 2.7 mS / cm. The evaluation was made in four stages: ◎ ... best, ○ ... good, △ ... normal, × ... bad. In addition, the standard for evaluating the germination state was a state (Δ: normal) in which the fruit was inflated and the roots appeared at about 2 mm.
[0038]
[Table 2]
Figure 0004901038

[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a process diagram showing each process of a method for treating soy seeds to be applied.

Claims (1)

消毒処理工程および発芽促進処理工程を有し、播種に先だって、種籾を消毒処理しかつ発芽処理する種籾の処理方法であり、当該処理方法は、前記消毒処理工程においては、種籾を、電解生成酸性水を消毒液として消毒処理し、かつ、前記発芽促進処理工程では、消毒処理後の種籾を、電解生成酸性水を浸漬液として発芽促進処理する種籾の処理方法であって、前記消毒処理工程で使用する消毒液として、無機塩化物の希薄水溶液を被電解水とする有隔膜電解により陽極室にて生成される電解生成酸性水であってpHが2.0〜3.0の範囲にある電解生成酸性水を採用し、かつ、前記発芽促進処理工程で使用する浸漬液として、水道水を被電解水とする有隔膜電解により陽極室にて生成される電解生成酸性水であってpHが4.0〜6.9の範囲にある電解生成酸性水を採用することを特徴とする種籾の処理方法。Has a disinfecting process and germination process, prior to sowing, a rice seed treatment method of disinfection processes seeds and germination process, the treatment method, in the disinfection step, the rice seed, electrolytic acid Disinfection treatment with water as a disinfectant, and in the germination promotion treatment step, the seed meal after the disinfection treatment is a seed meal treatment method in which germination promotion treatment is performed using electrolytically generated acidic water as an immersion liquid. As the disinfectant to be used, electrolytically generated acidic water produced in the anode chamber by diaphragm membrane electrolysis using a dilute aqueous solution of inorganic chloride as the electrolyzed water, and electrolysis having a pH in the range of 2.0 to 3.0 The generated acidic water is an electrolytically generated acidic water produced in the anode chamber by diaphragm membrane electrolysis using tap water as the electrolyzed water as an immersion liquid used in the germination promotion treatment step, and has a pH of 4 .0 to 6.9 Method of processing rice seeds, which comprises employing the electrolytic acid water in the range.
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