CN103238509B - Seedling substrate for preventing and controlling cabbage clubroot - Google Patents
Seedling substrate for preventing and controlling cabbage clubroot Download PDFInfo
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- CN103238509B CN103238509B CN201310196717.3A CN201310196717A CN103238509B CN 103238509 B CN103238509 B CN 103238509B CN 201310196717 A CN201310196717 A CN 201310196717A CN 103238509 B CN103238509 B CN 103238509B
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Abstract
The invention discloses a seedling substrate for preventing and controlling cabbage clubroot, and belongs to the technical field of vegetable culture. The seedling substrate is obtained by the steps: a, measuring organic substrates (humic soil or turf or coco coir or bagasse or wood dust), cow dung and plant ash according to the volume ratio of 8:2:1 and pouring the organic substrates, the cow dung and the plant ash into a stirrer/stirring machine; b, grinding weighed 2.1-2.5kg/m<3> of urea and 1.5-1.8kg/m<3> of ammonium dihydrogen phosphate into powder, adding the powder along with 1.5-1.8kg/m<3> of calcined lime into the stirrer/stirring machine; c, adding 1.2-1.5kg/m<3> of wettable powder with 75% of chlorothalonil into the stirrer/stirring machine; and d, starting the machine, uniformly stirring the powder and sub-packaging the powder. The seedling substrate has the advantages that vegetable shoots are fine in quality, the clubroot is avoided, diseases are relieved after planting, control effect is long, the seedling substrate is not limited by physiological race, and environmental side effects are avoided.
Description
Technical field:
The present invention relates to a kind of seedling medium of prevention and control Chinese cabbage club root, belong to vegetable growing technical field.
Background technology:
Chinese cabbage club root is infected and is caused by rape plasmodiophora brassicae (Plasmodiophora brassicae Woronin), is a kind of worldwide soil-borne disease.Plasmodiophora brassicae is obligatory parasitic bacteria, can infect more than 100 individual the kinds and mutation that Cruciferae is wild and cultivate.This bacterium form with resting spore in the soil without suitable host exists, and the time-to-live can reach 15 years.Once run into suitable host, resting spore germinates at once and breeds and infect root hair, forms multinuclear plasmodium.Plasmotomy forms secondary zoospore and moves to the cortical tissue of root, and inducing cell misgrowth, forms a large amount of lumps, suppresses the absorption of moisture and nutriment, and the growth that causes plant to seek phytoma weakens the decline with output.The plasmodium producing on daetylorhiz carries out reduction division, can form again a large amount of resting spores, and after lump rots, resting spore is just discharged in soil and waits for and infecting next time.This harmful order of severity of being critically ill is relevant with knee size and happening part, main root occurs, knee is large, can not be formed with function lateral root usually causes total crop failure, and lateral root dross still can forming section has the root system of function, can guarantee to a certain extent plant water suction and inhale fertilely, endanger lighter.But in cultivation, Chinese cabbage is all to adopt direct seeding technique, if there is plasmodiophora brassicae in soil, seed one is sprouted, and radicle will be susceptible, is difficult to be formed with function root system, therefore infects the harm maximum of plasmodiophora brassicae seedling stage.About the control of this disease, generally prevent and treat medicine, as the bactericide of wide spectrum, control efficiency is all undesirable.Some biocontrol microorganisms have certain control efficiency to plasmodiophora brassicae, but manufacturing technique requirent is high, and large-scale production acquires a certain degree of difficulty, and cause production cost higher.Generally adopt crop rotation and disease-resistant variety to carry out prevention and control club root abroad.The area in, one year season abundant in land resources, Crop rotation is better.But to the area of shortage of land resource, this method can produce larger conflicting with economic benefit.In theory, the use of disease-resistant variety is lower-cost environmental protection prophylactico-therapeutic measures, but disease-resistant variety exists stronger biological strain specificity, and preventive effect does not have generality.
By literature search, have no the open report identical with the seedling medium of prevention and control Chinese cabbage club root of the present invention.
Summary of the invention:
The object of the present invention is to provide a kind of cost low, the seedling medium of the prevention and control Chinese cabbage club root of Environmental security and non agricultural chemical residuum.
The seedling medium of prevention and control Chinese cabbage club root of the present invention, obtains via following steps:
A. organic substrate, cow dung, ash measure by 8:2:1 volume ratio, pour in agitator/machine;
B. by the urea 2.1-2.5kg/m weighing by weight
3, ammonium dihydrogen phosphate (ADP) 1.5-1.8kg/ m
3be ground into powdery, in company with quicklime 1.5-1.8 kg/m
3add in agitator/machine;
C. again tpn 75% wetting powder is pressed to 1.2-1.5kg/ m
3amount add in agitator/machine;
D. open machine, puddle evenly, then after packing, obtain the seedling medium of prevention and control Chinese cabbage club root.
Described organic substrate is humus soil or the peat composed of rotten mosses or coconut palm chaff or bagasse or wood chip; Wherein: adopt humus soil as organic substrate, before using, cross aperture 2-3mm sieve, remove large branch or stone; The former peat composed of rotten mosses is pulverized before using, and crosses aperture 2-3mm sieve; Coconut palm chaff, bagasse and wood chip are piled steamed bun shape raft stack retting before using and are become thoroughly decomposed, and humidity 60%, with plastic film covering, is processed 50-65 days.
The present invention is raw materials used to be bought and discarded object for market, and device therefor is market and buys.
Beneficial effect of the present invention is:
A. seedling medium formula is flexible, and selection is easy, and cost is low, and seedling-cultivating method is various;
B. seedling culture matrix nutrition abundance, does not need fertilising at whole nursery stage, only need execute water, simple to operate, convenient management;
C. adopt substrate seedling of the present invention, dish seedling quality is good, and without club root, after field planting, disease alleviates, and the preventive effect phase is long, is not subject to the restriction of biological strain, Environmental security and non agricultural chemical residuum.
D. after field planting, can make Chinese cabbage obtain the output of 85%-90%.
Embodiment:
Embodiment 1:
(1) seedling medium:
A. organic substrate, cow dung, ash measure by 8:2:1 volume ratio, pour in agitator/machine;
B. by the urea 2.1-2.5kg/m weighing by weight
3, ammonium dihydrogen phosphate (ADP) 1.5-1.8kg/ m
3be ground into powdery, in company with quicklime 1.5-1.8 kg/m
3add in agitator/machine;
C. again tpn 75% wetting powder is pressed to 1.2-1.5kg/ m
3amount add in agitator/machine;
D. open machine, puddle evenly, then after packing, obtain the seedling medium of prevention and control Chinese cabbage club root.
Described organic substrate is humus soil or the peat composed of rotten mosses or coconut palm chaff or bagasse or wood chip; Wherein: adopt humus soil as organic substrate, before using, cross aperture 2-3mm sieve, remove large branch or stone; The former peat composed of rotten mosses is pulverized before using, and crosses aperture 2-3mm sieve; Coconut palm chaff, bagasse and wood chip are piled steamed bun shape raft stack retting before using and are become thoroughly decomposed, and humidity 60%, with plastic film covering, is processed 50-65 days.
The present invention is raw materials used to be bought and discarded object for market, and device therefor is market and buys.
(2) grow seedlings in seedbed:
The wide 1-1.2m in seedbed, dark 8-12cm, liner 1-2 layer film.The seedling medium that (1) step that film upper berth 5-7cm is thick obtains.Water permeablely, broadcast sowing club root susceptible kind " white No. 1 of Shandong spring ", strain spacing 0.7-1.0cm, covers the seedling medium that (1) step of 0.2-0.5cm obtains, then covers one deck white film.Within 3 days, emerge, emerge neat, remove film, in fine day moisturizing every other day 1 time.25-30 days seedlings.Seedling, without club root, well developed root system, height of seedling 6-8cm, has 6-7 sheet true leaf.
(3) transplant:
Transplant first 2 weeks, with shoveling, seedling pad pasting is scooped up, by root system matrix around, root system is wrapped up, the tight one-tenth of group sticks together and is not scattered.One adjacent one comes in seedbed, fills space also sprinkle water by matrix.After 2 weeks, root system covers with and sticks together, and transplants, and transplants and stops watering for first 2 days.When transplanting, seedling is picked and is transported to field of vegetables from seedling bed, first irrigate field planting water, then final singling, sealing.
(4) disease resistance:
In whole cultivation season, plant strain growth is normal.Investigation picking time, root system lateral root dross, root nodule diameter, less than 1/4 of live processing, still can be shown in great-hearted coring under root nodule, output is 85% of existing this variety yield (5942.6kg).
Embodiment 2:
(1) seedling medium is with embodiment 1.
(2) point disk seedling growing:
100 PE cave, cave dishes, fill the seedling medium that (1) step obtains.Water permeablely, matrix falls, and club root susceptible kind doll colza is broadcast in matrix, and 2, every cave covers the seedling medium that 0.2-0.5cm (1) step obtains, then covers one deck white film.Within 3 days, emerge, emerge neat, remove film, in fine day moisturizing every day 1 time.25-30 days seedlings.Seedling, without club root, well developed root system, height of seedling 4-6cm, has 5-6 sheet true leaf.
(3) transplant:
Transplant and stop watering for first 2 days.When transplanting, seedling is become to stick together from the dish of cave and extract, first irrigate field planting water, then final singling, sealing.
(4) disease resistance:
In whole cultivation season, plant strain growth is normal.Investigation picking time, root system lateral root dross, root nodule diameter, less than 1/4 of live processing, still can be shown in great-hearted coring under root nodule, output is 90% of existing this variety yield (5034,8kg).
Practical application shows: adopt substrate seedling of the present invention, dish seedling quality is good, and without club root, after field planting, disease alleviates, and the preventive effect phase is long, is not subject to the restriction of biological strain, Environmental security and non agricultural chemical residuum.
Claims (1)
1. a seedling medium for prevention and control Chinese cabbage club root, is characterized in that this seedling medium obtains via following steps:
A. seedling medium, cow dung, ash are measured by 8:2:1 volume ratio, pour in agitator/machine; Seedling medium is humus soil or the peat composed of rotten mosses or coconut palm chaff or bagasse or wood chip, wherein: before humus soil uses, cross aperture 2-3mm sieve and remove large branch or stone; The former peat composed of rotten mosses is pulverized before using, and then crosses aperture 2-3mm sieve; Coconut palm chaff, bagasse and wood chip are piled steamed bun shape raft stack retting before using and are become thoroughly decomposed, and humidity 60%, with plastic film covering, is processed 50-65 days;
B. by the urea 2.1-2.5kg/m weighing by weight
3, ammonium dihydrogen phosphate (ADP) 1.5-1.8kg/m
3be ground into powdery, in company with quicklime 1.5-1.8kg/m
3add in agitator/machine;
C. again tpn 75% wetting powder is pressed to 1.2-1.5kg/m
3amount add in agitator/machine;
D. open machine, puddle evenly, then after packing, obtain the seedling medium of prevention and control Chinese cabbage club root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310196717.3A CN103238509B (en) | 2013-05-24 | 2013-05-24 | Seedling substrate for preventing and controlling cabbage clubroot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310196717.3A CN103238509B (en) | 2013-05-24 | 2013-05-24 | Seedling substrate for preventing and controlling cabbage clubroot |
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| Publication Number | Publication Date |
|---|---|
| CN103238509A CN103238509A (en) | 2013-08-14 |
| CN103238509B true CN103238509B (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310196717.3A Expired - Fee Related CN103238509B (en) | 2013-05-24 | 2013-05-24 | Seedling substrate for preventing and controlling cabbage clubroot |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103704006A (en) * | 2014-01-09 | 2014-04-09 | 东北农业大学 | Cultivation method capable of preventing celery cabbage clubroot diseases from occurring |
| CN104969800A (en) * | 2014-04-10 | 2015-10-14 | 中国农业科学院蔬菜花卉研究所 | Method for local fixed-point control on soil-borne disease of vegetables |
| CN104003811B (en) * | 2014-06-16 | 2018-03-16 | 四川省农业科学院植物保护研究所 | Prevent and treat root-growing agent, preparation method and the purposes of crop in cruciferae clubroot |
| CN104355852B (en) * | 2014-11-11 | 2016-08-24 | 东北农业大学 | A kind of fertilizer preventing and treating cabbage clubroot and preparation method thereof |
| CN104370612B (en) * | 2014-12-03 | 2017-02-22 | 大新县生产力促进中心 | longan tree seedling culture medium |
| CN104584940A (en) * | 2015-02-28 | 2015-05-06 | 四川农业大学 | Application of humus for preventing clubroot of cruciferous crops |
| CN108353743A (en) * | 2018-03-05 | 2018-08-03 | 大悟鸿源农业科技有限公司 | The implantation methods of cabbage |
| CN112740981A (en) * | 2020-12-31 | 2021-05-04 | 云南农业大学 | Chinese cabbage seedling culture nutrient medium and preparation method thereof |
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2013
- 2013-05-24 CN CN201310196717.3A patent/CN103238509B/en not_active Expired - Fee Related
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