CN112741114B - Method for preventing and treating root rot of melons - Google Patents

Method for preventing and treating root rot of melons Download PDF

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CN112741114B
CN112741114B CN202110204764.2A CN202110204764A CN112741114B CN 112741114 B CN112741114 B CN 112741114B CN 202110204764 A CN202110204764 A CN 202110204764A CN 112741114 B CN112741114 B CN 112741114B
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nutrient solution
microalgae cell
cell nutrient
root rot
melons
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CN112741114A (en
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叶云峰
洪日新
付岗
覃斯华
柳唐镜
黄金艳
解华云
李桂芬
何毅
陈东奎
许勇
李天艳
韦正光
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Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
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Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/03Algae
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00Botany in general
    • A01G7/06Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants

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  • Health & Medical Sciences (AREA)
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Abstract

The invention belongs to the technical field of plant disease and insect pest control, and particularly relates to a method for controlling root rot of melons. The method comprises the following steps: after 7-14 days after the field planting of the melon seedlings, the roots are drenched once by using microalgae cell nutrient solution; in the young fruit stage, the microalgae cell nutrient solution is used for leaching the roots once again. The method uses the microalgae cell nutrient solution to prevent and treat the root rot of the muskmelon, has the prevention and treatment effect superior to that of a chemical agent, and can also effectively increase the yield. The method is only applied for 2 times in the whole growth period of the muskmelon, saves the cost, is green and environment-friendly, and can improve the soil ecology.

Description

Method for preventing and treating root rot of melons
Technical Field
The invention belongs to the technical field of plant disease and insect pest control, and particularly relates to a method for controlling root rot of melons.
Background
Melons are annual vine herbaceous plants of the cucurbitaceae family Cucumis genus (Cucumis Linn.), and have two major ecotypes, thick-skinned melons and thin-skinned melons. The melon is an important economic crop in China. With the increase of continuous cropping years, the incidence of the root rot of the melons becomes more and more serious, the annual incidence rate reaches more than 20 percent, the incidence rate of serious plots is more than 80 percent, and the quality and the yield of the melons are seriously influenced.
At present, the conventional method for preventing and treating the diseases is to use chemical agents such as carbendazim, hymexazol, fludioxonil, terbutol, and diuron to carry out root drenching, or to use chemical agents such as dazomet or calcium cyanamide to carry out soil disinfection treatment before transplanting. However, the existing chemical pesticide has unstable or insignificant control effect, and is easy to cause environmental pollution and fruit pesticide residue when used in large amount. Therefore, a control method which is green and environment-friendly and has remarkable effect is needed.
Disclosure of Invention
The invention mainly aims to provide a method for preventing and controlling root rot of melons
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides application of microalgae cell nutrient solution in preventing and treating melon root rot.
The invention provides a method for preventing and controlling root rot of melons, which comprises the following steps: dripping roots once by using microalgae cell nutrient solution 7-14 days after the melon seedlings are planted; in the young fruit period, the microalgae cell nutrient solution is used for leaching roots once.
Furthermore, the microalgae cell nutrient solution comprises nitrogen-fixing cyanobacteria active cells and photosynthetic green algae active cells.
Further, diluting the microalgae cell nutrient solution by 500-1000 times to obtain a microalgae cell nutrient solution diluent; when the root is drenched for the first time, 200mL of microalgae cell nutrient solution diluent is drenched and applied to each strain; and when the roots are drenched for the second time, 300-600mL of microalgae cell nutrient solution diluent is drenched for each strain.
Compared with the prior art, the invention has the following advantages:
the method uses the microalgae cell nutrient solution to prevent and treat the root rot of the muskmelon, has the prevention and treatment effect superior to that of a chemical agent, and can also effectively increase the yield. The method is only applied for 2 times in the whole growth period of the muskmelon, saves the cost, is green and environment-friendly, and can improve the soil ecology.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a comparison of the control method according to the test example of the present invention with a blank control.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, and/or combinations thereof, unless the context clearly indicates otherwise.
In order to make the technical solutions of the present invention more clearly understood by those skilled in the art, the technical solutions of the present invention will be described in detail below with reference to specific embodiments.
The microalgae cell nutrient solution used in the following examples was produced by Biotech limited under Beijing Plough.
Example 1
A method of controlling root rot of melons, comprising the steps of:
diluting the seedlings with microalgae cell nutrient solution for 1000 times of dripping roots once at 7 days after the melon seedlings are planted, and applying 250mL of microalgae cell nutrient solution diluent for each plant; and in the young fruit period, diluting the roots once by 800 times by using the microalgae cell nutrient solution, and applying 500mL of the microalgae cell nutrient solution diluent to each plant.
Example 2
A method of controlling root rot of melons, comprising the steps of:
diluting the roots once by 500 times by using microalgae cell nutrient solution 14 days after the melon seedlings are planted, and applying 200mL of microalgae cell nutrient solution diluent to each plant; and diluting the roots once by 1000 times by using the microalgae cell nutrient solution in the young fruit period, and applying 600mL of the microalgae cell nutrient solution dilution to each plant.
Example 3
A method of controlling root rot of melons, comprising the steps of:
diluting the seedlings with microalgae cell nutrient solution for root drenching once by 500 times on the 7 th day after the melon seedlings are planted, and applying 300mL of microalgae cell nutrient solution diluent for each plant; and diluting the roots once by 1000 times by using the microalgae cell nutrient solution in the young fruit period, and applying 600mL of the microalgae cell nutrient solution dilution to each plant.
Test examples
A disease-susceptible variety 'Bei Tian 5' is taken as a test variety, a melon root rot control test is developed, 3 test treatments are set, and the treatment process is as follows: on the 7 th day after the melon seedlings are planted and in the young fruit period (when the fruit is egg-sized), the roots are drenched by using 800 times of microalgae cell nutrient solution, and the dosage of each plant is 250ml and 500ml respectively (the method described in example 1). And (3) treatment 2: on the 7 th day and the young fruit period (when the fruit is big in egg) after melon seedlings are planted, 500 times of 50% carbendazim wettable powder is used, and the dosage of each plant is 250ml and 500ml respectively. And (3) treatment: and (3) disinfecting the soil with calcium cyanamide 25 days before the permanent planting of the melon seedlings, wherein the dosage of the calcium cyanamide is 60 kilograms per mu of land. A blank control zone (CK) was also provided without any treatment. Each treatment was 3 replicates, each replicate cell area was 0.3 acres. The disease prevention effect and yield are investigated in the melon harvest period. The incidence rate is the number of diseased plants/the total number of investigated plants multiplied by 100%; the control effect is (incidence rate of the control area-incidence rate of the treatment area)/incidence rate of the control area x 100%. The test results obtained are shown in table 1.
TABLE 1 control of root rot of melon by different treatments
Figure BDA0002949397840000041
As can be seen from Table 1, under the condition of 100% of diseases in the control area, the prevention and control effect of the microalgae cell nutrient solution is the best, the prevention and control effect is 84.7%, the yield per mu is improved by 23.7% compared with the blank control, and the content of soluble solids is increased by 4.2% compared with the blank control. The control effect of the chemical medicament carbendazim is only 53.1 percent, the control effect of the calcium cyanamide is only 18.8 percent, the acre yield of the two treatments is respectively improved by 11.6 percent and 5.1 percent compared with the blank control, and the soluble solid content has no obvious difference with the blank control. Therefore, the microalgae cell nutrient solution is used for preventing and treating the root rot of the muskmelon, and the prevention and treatment effect, the yield increase effect and the quality improvement effect which are obviously superior to those of chemical agents can be obtained.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (1)

1. The method for preventing and controlling the root rot of the melons is characterized by comprising the following steps of:
(1) dripping roots once by using microalgae cell nutrient diluent in the amount of 200 and 300 mL/plant 7-14 days after the planting of the melon seedlings;
(2) in the young fruit period, the microalgae cell nutrient diluent is used for dripping roots once, and the dosage is 300 plus 600mL per plant;
the microalgae cell nutrient diluent is obtained by diluting the microalgae cell nutrient solution by 500-1000 times;
the microalgae cell nutrient solution is a microalgae nutrient solution product produced by Beijing ploughing Sunday Biotechnology Limited.
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