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Application of extract of celery stems and leaves

A technology of extracts and stems and leaves, applied in the field of celery stems and leaves extracts, can solve the problems of crop failure, tomato planting reduction, unfavorable health, etc., and achieve the effect of easy use, low cost, no residue and drug resistance problems

Active Publication Date: 2017-03-29
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As one of the vegetables with the largest protected cultivation area in my country, tomato is greatly affected by diseases. The rapid development of protected horticulture has made the development of various viral, bacterial and fungal diseases more rampant, seriously affecting the yield and quality of tomatoes in my country. , causing serious economic losses
[0003] At present, tomato bacterial wilt and tomato root rot are becoming more and more serious in the south of the Yangtze River in my country, especially in South China, resulting in reduced or even no harvest of tomato planting, which seriously restricts the healthy development of the tomato planting industry in southern my country
Conventional treatment methods usually use chemical agents to kill, such long-term use will lead to enhanced drug resistance of bacteria and lower effects. Secondly, long-term large-scale use of chemical agents tends to remain in plants, which is not conducive to health

Method used

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  • Application of extract of celery stems and leaves
  • Application of extract of celery stems and leaves
  • Application of extract of celery stems and leaves

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: The inhibitory action of celery stem and leaf extract to tomato solanacearum (Pseudomonas solanacearum)

[0017] 1. Collect stem and leaf extracts by grinding and ultra-low temperature evaporation. The specific steps are as follows:

[0018] 1) The variety of celery is 'Jinnan Shiqin No. 1', using nutrient bowls (peat: vermiculite = 3:1), 20 seeds are evenly sown in each bowl, cultivated in an artificial climate room (12 hours of artificial light, day and night temperature 25°C / 20°C); 2) After 60 days, collect the aboveground stems and leaves of cultivated celery (about 40-50cm high) with scissors, wash and chop, grind with a grinding rod, collect the filtrate after filtering through filter paper, and store it at -50°C Freeze and evaporate, concentrate to 1 / 5 of the original volume, that is, the concentrated solution of celery stem and leaf extract, filter and sterilize with a 0.22 micron filter head, and store at a low temperature of 4°C.

[0019] 2. Ps...

Embodiment 2

[0026] Example 2: Inhibitory effect of celery stem and leaf extract on tomato root rot

[0027] 1. The preparation of celery stem and leaf extract is as follows: after washing and chopping the stem and leaf of celery (Jinnan Shiqin No. 1), put it into a juice extractor to squeeze the juice, the obtained juice is coarsely filtered through filter paper, and the obtained filtrate is vacuum decompressed Concentrate to 20% of the original volume, and finally pass through a 0.22 micron filter head to filter and sterilize, and store at a low temperature of 4°C.

[0028] 2. The tomato root rot pathogen Fusarium oxysporum f.sp.Lycopersici (race 1) (provided by Zhejiang Academy of Agricultural Sciences) was used as the evaluation strain. The propagation conditions of this strain are as follows:

[0029] PDA medium preparation: 200g of fresh potatoes, add distilled water to boil, continue heating for 30 minutes, filter with 4 layers of gauze, add 18g of glucose to the filtrate, 20g of a...

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PUM

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Abstract

The invention discloses application of extract of celery stems and leaves. The extract of celery stems and leaves is applied as an inhibitor for diseases of tomato. It is found in the invention that the extract of celery stems and leaves can effectively inhibit the growth rate of Pseudomonas solanacearum and root rot fungus attacking tomatoes and substantially alleviates the harm of Pseudomonas solanacearum and root rot fungus to tomato plants. The extract of celery stems and leaves is convenient to use, low in cost, purely natural and free of the problems of residues and resistance.

Description

technical field [0001] The invention relates to the technical field of tomato disease-resistant cultivation, in particular to the application of a celery stem and leaf extract. Background technique [0002] Tomato (Solanum lycopersicum) is very popular among consumers for its rich vitamins and nutrients. As one of the vegetables with the largest protected cultivation area in my country, tomato is greatly affected by diseases. The rapid development of protected horticulture has made the development of various viral, bacterial and fungal diseases more rampant, seriously affecting the yield and quality of tomatoes in my country. , resulting in extremely serious economic losses. [0003] At present, tomato bacterial wilt and tomato root rot are becoming more and more serious in the south of the Yangtze River in my country, especially in South China, resulting in reduced or even no harvest of tomato planting, which seriously restricts the healthy development of the tomato plantin...

Claims

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Application Information

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IPC IPC(8): A01N65/10A01P1/00A01P3/00
CPCA01N65/00A01N65/10
Inventor 阮美颖叶青静程远王荣青杨悦俭周国治李志邈姚祝平万红建钟洋敏
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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