Method for prevention and treatment of diseases of longan fruits

A disease control and longan technology, applied in the field of longan fruit disease control, can solve problems such as poor effect of longan fruit disease, prolonging the storage period of longan fruit and the like

Active Publication Date: 2017-12-26
FUJIAN AGRI & FORESTRY UNIV
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] At present, the production mainly adopts post-harvest passive preservation (such as chemical fungicides including fumigant, teketol, sec-butylamine, imazalil, etc.; physical control technologies such as low-temperature storage, heat treatment, controlled atmosphere refrigeration, UV-B irradiation etc.; biological control techniques such as post-harvest spraying of Bacillus brevus, etc.) to prolong the storage period of longan fruit, but the single use of the above-mentioned post-harvest treatment method to control longan fruit disease effect is not good

Method used

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  • Method for prevention and treatment of diseases of longan fruits
  • Method for prevention and treatment of diseases of longan fruits
  • Method for prevention and treatment of diseases of longan fruits

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Embodiment 1

[0036] Please refer to Figure 1-6 , Embodiment 1 of the present invention is:

[0037] The control method of the longan fruit disease of the present embodiment may further comprise the steps:

[0038] (1) Preparation of pre-harvest disease control liquid: mix salicylic acid, sodium silicate, potassium borate, calcium chloride, zinc sulfate and water according to the ratio of 1g: 30g: 30g: 100g: 30g: 10L;

[0039] (2) Selection of test fruit trees: 20 longan fruit trees with basically the same size, height, growth, number of fruits, and maturity of fruits were selected in the same orientation and similar area of ​​the orchard. Each process 10 longan trees, with spraying clear water as contrast;

[0040] (3) Pre-harvest treatment: Longan starts from the young fruit stage, selects between 4:00 p.m. on fruit and leaves until 2 weeks before harvest;

[0041] (4) Harvest the fruit in a timely manner: select healthy longan fruits with uniform size, no mechanical damage, and 80% ...

Embodiment 2

[0045]The control method of the longan fruit disease of the present embodiment may further comprise the steps:

[0046] (1) Preparation of pre-harvest disease control liquid: mix salicylic acid, sodium silicate, potassium borate, calcium chloride, zinc sulfate and water according to the ratio of 5g: 50g: 50g: 100g: 30g: 10L;

[0047] (2) Selection of test fruit trees: 20 longan fruit trees with basically the same size, height, growth, number of fruits, and maturity of fruits were selected in the same orientation and similar area of ​​the orchard. 10 longan trees were treated for each treatment, and water was sprayed as a control.

[0048] (3) Pre-harvest treatment: Longan starts from the young fruit stage, selects between 4:00 p.m. On fruit and leaves until 2 weeks before harvest.

[0049] (4) Harvest the fruit in a timely manner: select healthy longan fruits with uniform size, no mechanical damage, and 80% to 90% maturity for harvesting;

[0050] (5) Post-harvest treatment...

Embodiment 3

[0053] The control method of the longan fruit disease of the present embodiment may further comprise the steps:

[0054] (1) Preparation of pre-harvest disease control liquid: mix salicylic acid, sodium silicate, potassium borate, calcium chloride, zinc sulfate and water according to the ratio of 10g: 50g: 50g: 150g: 40g: 10L;

[0055] (2) Selection of test fruit trees: 20 longan fruit trees with basically the same size, height, growth, number of fruits, and maturity of fruits were selected in the same orientation and similar area of ​​the orchard. 10 longan trees were treated for each treatment, and water was sprayed as a control.

[0056] (3) Pre-harvest treatment: Longan starts from the young fruit stage, selects between 4:00 p.m. On fruit and leaves until 2 weeks before harvest.

[0057] (4) Harvest the fruit in a timely manner: select healthy longan fruits with uniform size, no mechanical damage, and 80% to 90% maturity for harvesting;

[0058] (5) Post-harvest treatme...

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Abstract

The invention relates to a method for prevention and treatment of diseases of longan fruits, wherein the method comprises the steps: (1) before picking, from the beginning of a longan young fruit stage, spraying a disease prevention and treatment liquid on longan; (2) when the maturity of the longan fruits is 80-90%, picking the longan fruits; and (3) soaking the longan fruits after picking in slightly acidic electrolyzed water, soaking for 10-15 min, then taking out, draining water, then carrying out fresh-keeping packaging on the longan fruits after draining, placing the packaged longan fruits under conditions of the temperature of 25-30 DEG C and the relative humidity of 85%-90%, and storing. The method for prevention and treatment of diseases of the longan fruits can improve the longan peel chitinase activity, beta-1, 3-glucanase activity, and the activity of phenylalanine ammonia lyase and other decrease-resistant related enzymes, and delays the decrease of the total phenolic content, so as to effectively control the occurrence of the diseases of postharvest longan fruits.

Description

technical field [0001] The invention relates to a fruit and vegetable fresh-keeping technology, in particular to a method for preventing and controlling longan fruit diseases. Background technique [0002] Longan (Dimocarpus longan Lour.) is a famous and high-quality fruit, which is mainly distributed in southern China, Thailand, the United States, Australia and other countries. China is the largest producer of longan in the world, but the ripening period of Chinese longan fruit is in the high temperature season from July to September. After the longan fruit is picked, its physiological metabolism is strong, and the fruit is very perishable after picking. rot. Fruit rot is the most prominent problem of longan fruit after harvesting, which leads to huge economic losses and is the main factor limiting long-term storage and long-distance transportation and sales of longan fruit. Therefore, it is of great significance to study the preservation, storage and transportation of lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/00A01G7/06A23B7/153
CPCA01G7/06A23B7/00A23B7/153
Inventor 陈艺晖林河通林艺芬王慧孙钧政蒋璇靓
Owner FUJIAN AGRI & FORESTRY UNIV
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