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Grape postharvest diseases or fruit abscission prevention and control method and special prevention and control agent

A post-harvest disease and control agent technology, applied in the field of prevention and control of post-harvest diseases or fruit shedding of fruits and vegetables and the field of control agents, can solve the problems of comparable, difficult disease control effects, etc., to reduce dosage, protect human health, and prevent the environment. The effect of pollution

Inactive Publication Date: 2011-11-09
INST OF BOTANY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although biological fungicides have shown good application prospects in the prevention and treatment of postharvest diseases of fruits, because biological fungicides are based on live bacteria, which are different from chemical fungicides, their disease inhibitory effect is affected by many factors and has its limitations. Sex and timeliness, the control effect of antagonistic bacteria alone is hardly comparable to that of chemical agents

Method used

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  • Grape postharvest diseases or fruit abscission prevention and control method and special prevention and control agent
  • Grape postharvest diseases or fruit abscission prevention and control method and special prevention and control agent
  • Grape postharvest diseases or fruit abscission prevention and control method and special prevention and control agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1: Prevention and treatment of postharvest gray mold and anthracnose of grape fruit by sodium borate treatment at room temperature.

[0037] 1.1 Experimental materials

[0038] Fruit: Xinjiang seedless white grape fruit (Vitis vinifera L.cv.Wuhebai) was used as the test material. The fruit comes from Xinjiang. The fruit was pre-cooled at 0°C immediately after harvest, and transported to the laboratory of the Institute of Botany, Chinese Academy of Sciences by refrigerated truck.

[0039] Pathogens: Botrytis cinerea and Colletotrichumgloeosporioides, isolated directly from the surface of diseased fruit. The use concentration is 1×10 4 CFU / ml.

[0040] 1.2 Processing method

[0041] 1) The actual concentration of grape fruit is 1×10 4 CFU / ml soaked in the Botrytis cinerea solution for 10 minutes, and soaked for 15 minutes with the following control agents after the fruit surface was dried: A, 0.1% sodium borate aqueous solution; B, 0.5% sodium borate aqueous...

Embodiment 2

[0046] Example 2. The prevention and treatment of postharvest gray mold and anthracnose of grape fruit by sodium borate treatment at low temperature (0° C.).

[0047] 2.1 Experimental materials

[0048] Fruit: Xinjiang seedless white grape fruit (Vitis vinifera L.cv.Wuhebai) was used as the test material. The fruit comes from Xinjiang. The fruit was pre-cooled at 0°C immediately after harvest, and transported to the laboratory of the Institute of Botany, Chinese Academy of Sciences by refrigerated truck.

[0049] Pathogens: Botrytis cinerea and Colletotrichumgloeosporioides, isolated directly from the surface of diseased fruit. The use concentration is 1×10 4 CFU / ml.

[0050] 2.2 Processing method

[0051] After the grape fruit was treated according to the two methods in Example 1, it was stored at 0° C., and its disease state was observed after 3 days. The experiment was repeated 3 times, and 2.5kg of grapes were measured for each treatment.

[0052] 2.3 Experimental r...

Embodiment 3

[0055] Embodiment 3: 1% sodium borate aqueous solution is used for preventing and treating grape postharvest disease

[0056] Weigh 100 grams of sodium borate and prepare a 1% aqueous solution for later use. The experiment was repeated 3 times, and 2.5kg of grapes were measured for each treatment.

[0057] Take 2 kg of Xinjiang seedless white grape fruit (Vitis vinifera L.cv. Wuhebai), half of which is soaked in 1% sodium borate aqueous solution for 3 to 5 minutes, take it out, dry it naturally, put it in a carton, and leave the other half undisturbed. For any treatment, put them in the same carton and store them at a low temperature (0°C) at a relative humidity of 95%; observe the incidence of botrytis, anthracnose and white rot after 60 days. The results are shown in Table 1:

[0058] Table 1 The incidence of main diseases of postharvest grape fruits after sodium borate treatment (0°C)

[0059] deal with

Botrytis (%)

Anthrax (%)

White rot (%)

Tot...

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Abstract

The present invention discloses a method for preventing and controlling postharvest disease or berry falling of a grape fruit and a special preventing agent thereof. The method comprises a process for treating a picked grape by the substances: 1) borate; or 2) the borate and a biological bactericide. The use concentration of the borate can be between 0.1 and 1 percent; and the use concentration of the biological bactericide can be a bacterial liquid of 1*10<4>-1*10<9>CFU Cryptococcus laurentii / ml. The invention also discloses the preventing agent for postharvest disease or berry falling of the grape fruit, wherein active ingredients of the preventing agent comprise the borate, and further the biological bactericide. The preventing method and the special preventing agent thereof not only can prevent and control the postharvest disease and the berry falling of the grape fruit, but also can reduce dosage of chemical pesticide and toxic residue on fruit and vegetable products.

Description

technical field [0001] The invention relates to the prevention and treatment of post-harvest diseases or fruit shedding of crops, in particular to a method and a control agent for preventing and controlling post-harvest diseases of fruits and vegetables or fruit shedding. Background technique [0002] Grapes are one of people's favorite fruits. Post-harvest rot and fruit shedding are the most common problems in grape fruit storage and preservation, and there is a close relationship between these two aspects. On the one hand, pathogenic bacteria infection is one of the reasons leading to fruit drop. On the other hand, after the fruit grains fall off, the infection of the fruit by pathogenic bacteria will be accelerated due to the generation of wounds. Therefore, the prevention and control of grape fruit shedding and the occurrence of diseases are interrelated and complementary. Effective control of grape diseases will greatly promote the control of fruit shedding. Traditi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/153A23B7/157A23B7/155
Inventor 田世平秦国政陈奇凌徐勇
Owner INST OF BOTANY CHINESE ACAD OF SCI
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