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Resistance inducer for inducing solanaceae crops to resist bacterial wilt as well as preparation method and application of resistance inducer

An inducer and bacterial wilt technology, which is applied in the field of inducer for inducing Solanaceae crops to resist bacterial wilt, can solve problems such as limited inducement effect, achieve simple preparation method, high practical application value, and promote plant health The effect of growth

Active Publication Date: 2021-07-13
HUBEI TOBACCO SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the inducing effect of these compounds is limited

Method used

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  • Resistance inducer for inducing solanaceae crops to resist bacterial wilt as well as preparation method and application of resistance inducer
  • Resistance inducer for inducing solanaceae crops to resist bacterial wilt as well as preparation method and application of resistance inducer
  • Resistance inducer for inducing solanaceae crops to resist bacterial wilt as well as preparation method and application of resistance inducer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The aqueous solution of the inducer provided in this embodiment, the solute includes hesperetin 15g / L, luteolin 12.5g / L, phospholipid 2.5g / L, and organosilicon additive 40ml / L according to concentration.

[0031] The preparation method of the inducer aqueous solution provided by the present embodiment is:

[0032] S1. Weigh hesperetin powder and luteolin powder, mix them, add them into ethanol, mix and dissolve them in a weight ratio of 1:0.5, and obtain a mixed solution I;

[0033] S2. Weigh the phospholipid powder and dissolve it in water to obtain a mixed solution II;

[0034] S3, mixing the mixed solution I and the mixed solution II to form a mixed solution III;

[0035] S4. Add organosilicon additives to the mixed solution III and stir evenly, remove absolute ethanol, and add water to make up to the predetermined concentration to obtain the finished inducer.

Embodiment 2

[0037] The aqueous solution of the inducer provided in this embodiment, the solute includes hesperetin 5g / L, luteolin 25g / L, soybean lecithin 5g / L, and organic silicon additive 25ml / L according to concentration. The preparation method of the aqueous inducer solution provided in this example is the same as that in Example 1.

Embodiment 3

[0039] The aqueous solution of the inducer provided in this embodiment, the solute includes hesperetin 25g / L, luteolin 7.5g / L, soybean lecithin 0.5g / L, and organic silicon additive 50ml / L according to concentration. The preparation method of the aqueous inducer solution provided in this example is the same as that in Example 1.

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Abstract

The invention discloses a resistance inducer for inducing solanaceae crops to resist bacterial wilt as well as a preparation method and application of the resistance inducer, the resistance inducer is an aqueous solution and comprises 5-25g / L of hesperetin, 7.5-25g / L of luteolin, 0.5-5g / L of phospholipid and 25-50ml / L of an organic silicon additive according to concentration. The resistance inducer is prepared by the following steps: dissolving hesperetin and luteolin in ethanol, dissolving phospholipid in water, mixing, adding an organosilicon auxiliary agent, evaporating to remove an ethanol solvent, and adding water until a preset concentration is reached. According to the invention, the hesperetin, the luteolin, the phospholipid and the organosilicon auxiliary agent are combined as a resistance inducer raw material for inducing solanaceae plants to resist bacterial wilt, and the resistance inducer has a very good resistance inducing effect on bacterial wilt of solanaceae crops such as tomatoes, potatoes, tobaccos and the like.

Description

technical field [0001] The invention belongs to the technical field of plant disease inducers, in particular to induce solanaceous crops to resist bacterial wilt. Background technique [0002] Bacterial wilt caused by Ralstonia solanacearum is one of the most serious soil-borne diseases on crops, and its host range includes more than 450 species of plants in 54 families. In my country, tomato, potato, tobacco and other Solanaceae crops are the main host plants of R. solanacearum. According to reports, the incidence of tomato bacterial wilt in the south of the Yangtze River is 10%-80%; the yield loss caused by potato bacterial wilt is generally 10%-15%, and it can reach 80% or even 100% when it occurs seriously; Tobacco bacterial wilt occurs in 14 tobacco-growing provinces in my country. The incidence rate is usually 15%-35%, sometimes up to 75%, and the yield loss is usually 50%-60%. When it occurs seriously, it will stop production. Therefore, the prevention and control of...

Claims

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Application Information

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IPC IPC(8): A01N43/16A01P21/00C05G3/00A01G13/00A01G7/06
CPCA01N43/16C05G3/00A01G13/00A01G7/06Y02A50/30
Inventor 黎妍妍李锡宏郑露
Owner HUBEI TOBACCO SCI RES INST