CN1298208C - Diversity konjaku and corn planting method capable of controlling soft rot of konjaku - Google Patents
Diversity konjaku and corn planting method capable of controlling soft rot of konjaku Download PDFInfo
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- CN1298208C CN1298208C CN 200310110792 CN200310110792A CN1298208C CN 1298208 C CN1298208 C CN 1298208C CN 200310110792 CN200310110792 CN 200310110792 CN 200310110792 A CN200310110792 A CN 200310110792A CN 1298208 C CN1298208 C CN 1298208C
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Abstract
The present invention relates to a diversity konjak and corn planting method capable of controlling konjak soft rot, which belongs to the field of plant protection. The present invention provides a method for controlling konjak soft rot. The method has the technical scheme that the existing culture mode for corn and konjak is maintained; the plant spacing, the row spacing and the density between the corn and the corn and the konjak and the konjak are identical to those of a conventional culture method; the konjak and the corn are intercropped in the same field, 1 to 5 rows of konjak are intercropped in 1 to 10 rows of corn, and the row spacing between the konjak and the corn is from 31cm to 70cm. The method can obviously reduce the occurrence damage of konjak soft rot, reduce the application quantity of agricultural chemicals, and improve the yield and the quality of the konjak.
Description
Technical field:
The present invention relates to a kind of method of preventing and treating konjak soft rot, platymiscium protection field.
Background technology:
Konjaku is the medical-care health food that potentiality to be exploited is arranged very much.Konjak soft rot is the important disease in taro district, and the general field piece incidence of disease reaches 8～12%, and grave illness field piece reaches more than 40%, usually causes heavy losses, has a strong impact on the yield and quality of konjaku, is restricting the development that konjaku is produced.
Former study and documents and materials show, prevent and treat konjak soft rot so far and remain to utilize chemical pesticide.But chemical control is cost height, anti-heterodyne not only, and contaminated environment, influences quality.A large amount of uses of long-term establishing in large scale single variety and agriculture chemical make field ecosystem simple day by day and fragile, the agroecological environment severe exacerbation, and the disease popular cycle is shorter and shorter, seriously hampers the raising of konjaku yield and quality.Along with the growing interest of people to healthy and environmental problem, development high yield, high-quality, konjaku production have efficiently become the key issue that improves taro district peasant economy income.
Planting habit with corn and konjaku intercropping is just arranged in traditional farming.Wanyuan City, Sichuan Province plant test station for plant protection Zheng Jia bravely waits the people that corn and konjaku intercropping have been done some preliminary investigations, finds that crops such as konjaku maize intercropping, peach, mulberry have certain control action to soft rot, and relative control effect is 26.2%, 51.3%, 62.7%; According to another the pilot survey of Nanjiang County, making the soft rot diseased plant rate only is 30.4%, with the corn intercrop diseased plant rate be 1.3%; Simultaneously production ratio does to increase by 40% only, on relevant content all is published in 2002 " plant doctor " magazine.But be that traditional plantation or preliminary investigation of forefathers all do not carried out the deep research of system to corn/konjaku intercropping control konjak soft rot, best cropping pattern is not proposed yet, control for soft rot does not obtain desirable effect, does not more illustrate its inherent mechanism.
Summary of the invention:
Main purpose of the present invention is the deficiency that overcomes existing method, and a kind of method of preventing and treating konjak soft rot is provided so that konjaku production can high yield, high-quality, shape up efficiently.
The technical scheme of this method is the planting type that keeps present corn and konjaku, between corn and the corn, konjaku is all identical with the conventional cultivation method with spacing in the rows, line-spacing and density between the konjaku, in the piece of same field with konjaku and corn intercrop, plant 1～5 row konjaku between 1～10 row corn, the line-spacing between konjaku and the corn is 31～70cm.The date of seeding of corn and konjaku,, identical or corn was in konjaku sowing sowing after 1～20 day.Corn is the corn variety that plant height surpasses 1.5m.
This method is to have carried out extensive and deep investigation in pathogen, generation development and propagation harm to konjak soft rot, and on the basis after the multiple method of preventing and treating compared, invented and used the diversity principle konjaku and corn are carried out the method that konjak soft rot is controlled in intercropping.Because 22～28 ℃ of the optimum temperatures of growing of konjaku, tool is liked warm fearness high temperature, likes shady Keep away from sun, and happiness is wet is afraid of characteristic such as drought, is suitable for intercropping, mutually beneficial with the corn symbiosis phase; The long-stalked crops corn plays the effect of shading, and has created one and has been suitable for konjaku and grows, and is unfavorable for the environment that disease takes place; Corn is not the host of konjak soft rot germ, thus pathogen capable of blocking route of transmission thereby reach the sick effect of good control.Utilizing bio-diversity principle Sustainable Control konjak soft rot, is to alleviate one of most economical effective key element in disease hazard, minimizing environmental pollution, raising quality, the increasing both production and income factors.This method has strengthened the stability of field ecosystem effectively, improve the anti-disaster ability of crops, reduced the agricultural chemicals usage amount significantly, simultaneously, preserve and rationally use the variety of crops resource recovering, exploring sustainable agriculture will be of great practical significance.
Embodiment:
Be described in further detail the present invention with examples of implementation below.Planting patterns is carried out in the usual way.
Embodiment one:
With the field comparative trial, establish 3 processing: A and be the clean corn of planting, B is the clean konjaku of planting, and A/B is 1 row corn intercrop, 1 a row konjaku, and the line-spacing between konjaku and the corn is 50cm.A situation arises for the investigation konjak soft rot, carries out the relative control effect analysis, the results are shown in Table 1.
Table 1 konjaku/corn intercrop control konjak soft rot situation
| Handle | Investigation strain number | The morbidity strain | The incidence of disease (%) | Relative control effect (%) |
| A/B B A | 64 141 - | 2 24 - | 3.13 17.02 - | 81.61 |
As seen from the above table, konjaku/corn intercrop reaches 81.61% to the relative control effect of konjak soft rot.
Embodiment two:
With the field comparative trial, establish 3 processing: A and be the clean corn of planting, B is the clean konjaku of planting, and A/B is 1 row corn intercrop, 5 row konjakus, and line-spacing is 40cm.Carry out the relative control effect analysis, konjaku/corn intercrop reaches 85.32% to the relative control effect of konjak soft rot.The results are shown in Table 2.
Table 2 konjaku/corn intercrop control konjak soft rot information slip
| Handle | Investigation strain number | The morbidity strain | The incidence of disease (%) | Relative control effect (%) |
| A/B B A | 76 230 - | 8 165 - | 10.53 71.74 - | 85.32 |
Embodiment three:
With the field comparative trial, establish 3 processing: A and be the clean corn of planting, B is the clean konjaku of planting, and A/B is 10 row corn intercrops, 1 row konjakus, and line-spacing is 70cm.Carry out the relative control effect analysis, konjaku/corn intercrop reaches 90.68% to the relative control effect of konjak soft rot.The results are shown in Table 3.
Table 3 konjaku/corn intercrop control konjak soft rot information slip
| Handle | Investigation strain number | The morbidity strain | The incidence of disease (%) | Relative control effect (%) |
| A/B B A | 200 431 - | 9 208 - | 4.50 48.26 - | 90.68 |
Embodiment four:
With the field comparative trial, establish 3 processing: A and be the clean corn of planting, B is the clean konjaku of planting, and A/B is 4 row corn intercrops, 2 row konjakus, and line-spacing is 50cm.Carry out the relative control effect analysis, konjaku/corn intercrop reaches 92.54% to the relative control effect of konjak soft rot.The results are shown in Table 2.
Table 4 konjaku/corn intercrop control konjak soft rot situation
| Handle | Investigation strain number | The morbidity strain | The incidence of disease (%) | Relative control effect (%) |
| A/B B A | 200 431 - | 9 260 - | 4.50 60.32 - | 92.54 |
Embodiment five
With the field comparative trial, establish 3 processing: A and be the clean corn of planting, B is the clean konjaku of planting, and A/B is 2 row corn intercrops, 1 row konjakus, and line-spacing is 60cm.Carry out the relative control effect analysis, konjaku/corn intercrop reaches 97.51% to the relative control effect of konjak soft rot.The results are shown in Table 5.
Table 5 konjaku/corn intercrop control konjak soft rot information slip
| Handle | Investigation strain number | The morbidity strain | The incidence of disease (%) | Relative control effect (%) |
| A/B B A | 200 431 - | 3 260 - | 1.50 60.32 - | 97.51 |
Embodiment six
With the field comparative trial, establish 3 processing: A and be the clean corn of planting, B is the clean konjaku of planting, and A/B is 10 row corn intercrops, 5 row konjakus, and line-spacing is 50cm.Carry out the relative control effect analysis, konjaku/corn intercrop reaches 73.83% to the relative control effect of konjak soft rot.The results are shown in Table 6.
Table 6 konjaku/corn intercrop control konjak soft rot information slip
| Handle | Investigation strain number | The morbidity strain | The incidence of disease (%) | Relative control effect (%) |
| A/B B A | 115 649 - | 16 345 - | 13.91 53.16 - | 73.83 |
Claims (12)
1, the method for a kind of konjaku and corn diversity growing control konjak soft rot, the planting type that keeps present corn and konjaku, between corn and the corn, konjaku is all identical with the conventional cultivation method with spacing in the rows, line-spacing and density between the konjaku, it is characterized in that in the piece of same field konjaku and corn intercrop, plant 1～5 row konjaku between 1～10 row corn, the line-spacing between konjaku and the corn is 31～70cm.
2, the method for konjaku according to claim 1 and corn diversity growing control konjak soft rot is characterized in that: plant 1～2 row konjaku between 2～6 row corns.
3, the method for konjaku according to claim 2 and corn diversity growing control konjak soft rot is characterized in that: plant 1 row konjaku between 2 row corns.
4, the method for konjaku according to claim 2 and corn diversity growing control konjak soft rot is characterized in that: plant 2 row konjakus between 4 row corns.
5, the method for konjaku according to claim 1 and corn diversity growing control konjak soft rot, it is characterized in that: the line-spacing between corn and the konjaku is 40～60cm.
6, the method for konjaku according to claim 5 and corn diversity growing control konjak soft rot, it is characterized in that: the line-spacing of corn and konjaku is 50cm.
7, the method for konjaku according to claim 1 and corn diversity growing control konjak soft rot, it is characterized in that: corn is identical with the date of seeding of konjaku.
8, the method for control konjak soft rot according to claim 1 is characterized in that: corn is in konjaku sowing sowing after 1～20 day.
9, the method for konjaku according to claim 1 and corn diversity growing control konjak soft rot, it is characterized in that: the corn of intercropping is the corn variety that plant height surpasses 1.5m.
10, the method for konjaku according to claim 1 and corn diversity growing control konjak soft rot, it is characterized in that: the corn line-spacing is 31～90cm, spacing in the rows is 20～70cm; The konjaku line-spacing is for being 31～80cm.
11, the method for konjaku according to claim 1 and corn diversity growing control konjak soft rot, it is characterized in that: the konjaku spacing in the rows is 10～24cm.
12, the method for konjaku according to claim 1 and corn diversity growing control konjak soft rot, it is characterized in that: the konjaku spacing in the rows is 26～60cm.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102577692A (en) * | 2012-01-06 | 2012-07-18 | 云南农业大学 | Method for preventing konjak soft rot |
| CN103202153B (en) * | 2012-11-14 | 2017-06-30 | 陶育照 | A kind of implantation methods of the anti-soft rot of konjaku |
| CN104663233B (en) * | 2015-03-19 | 2016-08-17 | 湖北省农业科学院经济作物研究所 | Konjak soft rot green combines anti-three-dimensional cultivation method for matching |
| CN111201977A (en) * | 2020-03-18 | 2020-05-29 | 农业农村部环境保护科研监测所 | Cultivation method for preventing and controlling soft rot of konjak |
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