Method for controlling bacterial speck of poinsettia

A technology of rhodobacterial leaf spot and the first product, applied in the field of flower protection, can solve problems such as unsatisfactory control effect, and achieve the effects of low cost, reduced environmental pollution and strong practicability

Inactive Publication Date: 2012-06-20
ZHONGKAI UNIV OF AGRI & ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a new control method for poinsettia bacterial leaf spot according...

Method used

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  • Method for controlling bacterial speck of poinsettia
  • Method for controlling bacterial speck of poinsettia

Examples

Experimental program
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Effect test

Embodiment 1

[0031] Example 1 Prevention and treatment of bacterial leaf spot of poinsettia female parent that has fallen ill

[0032] Planting conditions: Simple shade greenhouse.

[0033] Planting variety: Gold Award, with a large amount of planting in the market and high popularity. It is the main product in the poinsettia market in Guangdong Province and is also a variety susceptible to bacterial leaf spot. Select the female parent about 2-3 weeks after topping, the cuttings are about 3cm long, the incidence of old leaves is 80-100%, and the new leaves on the cuttings have a small amount of disease spots or no disease spots. Use this method to prevent and control, investigate the diseased leaf rate and disease index 14 days and 30 days after treatment, and calculate the control effect. The experiment consisted of leaf clipping + chemical treatment group, chemical treatment group and clear water control group. Each group was repeated 3 times, with a total of 6 plots (repetitions), 40...

Embodiment 2

[0041] Example 2 Control of Bacterial Leaf Spot of Poinsettia Seedlings

[0042] Planting conditions: Simple shade greenhouse.

[0043] Planting Variety: Gold Award, which belongs to the variety susceptible to bacterial leaf spot.

[0044] Poinsettia growth: Select the diseased plants one month after transplanting, with a plant height of 10-15cm and 9-15 leaves. Use this method to prevent and control, investigate the diseased leaf rate and disease index 15 days and 30 days after treatment, and calculate the control effect. In the experiment, the leaf-cutting + chemical treatment group, the chemical treatment group and the clean water control group were set up. Each group was repeated 3 times, and each group was repeated 3 times. There were 6 plots (repetitions) in total, 40 pots per plot, arranged according to 5′8 , 2 pots were randomly marked in each row, 12 pots of plants were marked in each plot, and 8 leaves of each plant were selected from bottom to top for investigatio...

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Abstract

The invention discloses a method for controlling bacterial speck of poinsettia. The method disclosed by the invention adopts the policy of supplementing agricultural measures for prevention in the first place with medicine for prevention and treatment; as soon as water-soaked spots appear on leaves, the sick leaves are cut off and destroyed in a concentrated way, meanwhile, bacteriostat is sprayed on plants for protection, then the measures of ventilation and rational close planting are taken, and the irrigation manner is substituted for a manner of root pouring or spraying. The method has the advantages of strong practicability, easiness in operation and low cost, and can reduce the consumption of pesticide, ensure the quality and the safety of flowers and reduce environment pollution.

Description

technical field [0001] The invention relates to the field of flower protection, in particular to a method for preventing and treating poinsettia bacterial leaf spot. Background technique [0002] Poinsettia, also known as Christmas flower, scarlet red, Mexican red leaves, etc., is native to Mexico and is a perennial woody flower of the genus Euphorbiaceae. As a Western Christmas flower, poinsettia occupies a pivotal position in the European and American markets. In the past one or two years, the output value of poinsettia ranks second in European and American potted plants, and the output value of poinsettia in countries such as Japan, the Netherlands, Denmark, the United Kingdom, and Germany is also among the top 10 potted plants. According to incomplete statistics, in 2006 the output of poinsettia in the United States and Europe was around 120 million pots. In my country, because the poinsettia bract leaves are red, it has a festive atmosphere, which meets the aesthetic ...

Claims

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Application Information

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IPC IPC(8): A01G7/06A01G13/00
Inventor 程东美罗妙娴刘光华向梅梅
Owner ZHONGKAI UNIV OF AGRI & ENG
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