Use of 2- acetyl-3,4-di hydroxy-5- methoxyphenyl-acetic acid in suppressing growth of hollow grass

A technology of Echinochloa chinensis and methoxyphenyl, applied in the fields of application, plant growth regulator, chemicals for biological control, etc.

Inactive Publication Date: 2006-10-11
ZHONGKAI UNIV OF AGRI & ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to address the problems existing in the treatment of the existing Aquap

Method used

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  • Use of 2- acetyl-3,4-di hydroxy-5- methoxyphenyl-acetic acid in suppressing growth of hollow grass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Example 1 The pathogenic effect of toxins on the leaves of A. chinensis

[0009] Take the second and third pairs of leaves from the bottom to the bottom of A. japonicus with uniform growth and health, wash them gently with running water, wash them with distilled water for 3 times, dry them with filter paper, cut them into small pieces of 0.5cm×0.5cm with a blade, and cut them into 0.5cm×0.5cm pieces, respectively Immerse in test tubes containing 2 mL of toxin solutions with concentrations of 100, 50, 30, 20, 10, 5, 3 and 1 μg / mL, gently immerse the leaves in the toxin solution with a glass rod, and use distilled water as a control. Treat 3 repetitions. Put the test tube into a light incubator at 25°C, observe the results once every 24 hours, and record the leaf block lesions.

[0010] Results: The toxin has a significant pathogenic effect on the leaves of A. japonicus. Treatment with 5 μg / mL toxin solution for 24 hours can cause water-soaked brown spots on the leaves o...

Embodiment 2

[0013] Example 2 The wilting effect of the toxin on the plants of A. chinensis

[0014] Dig out the Alpinia phylloxera plant that has just rooted in the field, wash the root soil with running water, put it into the leafy vegetable hydroponic solution for 3-4 days, and then wash it with distilled water 3 times, dry the water with filter paper, and transfer it to a container containing 10mL In centrifuge tubes with concentrations of 300, 200, 100 and 50 μg / mL toxin solutions, 3 strains per tube. Distilled water was used as the control, and each treatment was repeated twice. Stand under natural light at room temperature, observe the results once every 24 hours, and record the wilting and root lesions of the plants.

[0015] Results: The toxin had a strong wilting effect on the plants of A. chinensis, and the treatment of 50 μg / mL for 24 hours could cause the plants to show wilting symptoms, and at the same time, the roots and the toxin solution turned brown ( figure 1 ).

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Abstract

The invention discloses the use of 2- acetyl-3, 4- dihydroxy-5- methoxyphenyl acetate in the inhibition of Alternanthera philoxeroides growth, this natural compound has strong pathogenic action to Alternanthera philoxeroides, thus can be developed into natural microbial herbicide.

Description

technical field [0001] The invention relates to the field of herbicides, in particular to the application of 2-acetyl-3,4-dihydroxy-5-methoxyphenyl-acetic acid in inhibiting the growth of Asteroides spinosa. Background technique [0002] Ahernanthera philoxeroides, also known as water peanut, philoxeroides, etc., is a perennial herb belonging to the genus Aheranthera philoxeroides. The grassland is produced in Brazil, Uruguay, Argentina and other countries in South America. It was introduced into the suburbs of Shanghai in the late 1930s as feed for horses and cultivated in the suburbs of Shanghai. In the 1950s, some provinces and cities in the south promoted it as feed for pigs and sheep. It was further introduced into the Yangtze River Basin and the southern provinces and became a vicious weed. Echinochloa has strong adaptability. It reproduces asexually with stolons and spreads very fast. It grows in water areas and can cover the entire water surface, repelling the growt...

Claims

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Application Information

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IPC IPC(8): A01N37/10A01P13/00
Inventor 向梅梅周遗品曾永三
Owner ZHONGKAI UNIV OF AGRI & ENG
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