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Application of sakuratin as elicitor in inducing insect resistance in crops

A technology of sakurain and crops, which is applied in the application field of sakurain as an elicitor in inducing crops to resist insects, to achieve good effects, enhance resistance, and improve insect resistance

Active Publication Date: 2022-07-05
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to scientifically, efficiently and systematically prevent and control the occurrence of rice planthopper damage and ensure the safety of rice production, more and more scientists have turned their focus to plant endogenous toxins. However, current research on activating plant endogenous toxins The defense system of plants, and the application of improving plant resistance to insects is relatively small

Method used

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  • Application of sakuratin as elicitor in inducing insect resistance in crops
  • Application of sakuratin as elicitor in inducing insect resistance in crops
  • Application of sakuratin as elicitor in inducing insect resistance in crops

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Experimental program
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Effect test

Embodiment 1

[0034] 1. Test material

[0035] Sakuratin was purchased from Yunnan Xili Biotechnology Co., Ltd.

[0036] International Rice Formula Nutrient Solution Components:

[0037] N source (114.3×10 -3 g / mL NH 4 NO 3 solution): NH 4 NO 3 22.86g was prepared by dissolving in 200mL water;

[0038] P source (50.4×10 -3 g / mL NaH 2 PO 4 ·2H 2 O solution): NaH 2 PO 4 ·2H 2 O 10.08g is prepared by dissolving in 200mL water;

[0039] K source (89.3×10 -3 g / mL K 2 SO 4 solution): K 2 SO 4 17.86g is prepared by dissolving in 200mL water;

[0040] Ca source (31.64×10 -3 g / mL CaCl 2 solution): CaCl 2 6.328g was dissolved in 200mL of water;

[0041] Mg source (405×10 -3 g / mL MgSO 4 ·7H 2 O solution): MgSO 4 ·7H 2 O 81g was dissolved in 200mL water and prepared;

[0042] Trace elements: MnSO 4 ·4H 2 O 0.7045g, Na 2MoO 4 ·2H 2 O 0.0507g, H 3 BO 3 0.467g, ZnSO 4 ·7H 2 O0.0175g, CuSO 4 ·5H 2 O 0.0155g is all dissolved in 500mL water, namely MnSO 4 ·4H 2 O...

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Abstract

The invention discloses the application of sakuratin as an elicitor in inducing insect resistance of crops, and belongs to the technical field of biological pesticides. The present invention uses sakuratin as an elicitor to induce rice, and we unexpectedly found that the rice plant added with sakuratin as an elicitor has significantly higher resistance to rice planthopper than the control group compared with the control plant. According to preference statistics, the honeydew content and plant survival rate secreted by rice were analyzed. The root suction test and the smear test prove that the sakuramin provided by the invention has a better effect as an elicitor in inducing rice planthopper resistance when the concentration is 0.02-0.1 mg / L, especially 0.02 mg / L.

Description

technical field [0001] The invention belongs to the technical field of biological pesticides, and particularly relates to the application of sakuratin as an elicitor in inducing insect resistance of crops. Background technique [0002] Rice planthopper belongs to Hemiptera, Delphacidae, and is a unique piercing-sucking rice pest with fast growth rate and strong environmental adaptability. In addition, it also has the characteristics of small individuals, strong reproductive ability, easy to mutate, easy to large-scale outbreaks, and long-distance migration. Since the 1960s, rice planthopper, as one of the most destructive pests in rice growing areas in Asia and Southeast Asia, has caused heavy losses in rice production in Asian countries, and has developed into the primary pest affecting rice production in my country. As a unique herbivore of rice, rice planthopper has evolved a variety of different biological types, which can quickly adapt to and destroy the resistance of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/16A01P21/00
CPCA01N43/16Y02P60/21
Inventor 颜健杨忠艳黎平白根祥
Owner SOUTH CHINA AGRI UNIV