Small Grain Seed Treatment for Disease and Lodging Control
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Solution Overview
Problem
Current methods for controlling wheat diseases such as powdery mildew, septoria leaf blotch, and leaf rust are inefficient, require extensive labor and resources, and are compromised by the emergence of drug-resistant fungi, leading to insufficient control effects and high costs.
Innovation Solution
Treating small grain cereal seeds with a dichloroisothiazole compound before sowing, which provides a high control effect against these diseases without the need for subsequent field spraying and reduces labor and costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wheat diseases are controlled by spraying foliage with fungicide during growing period, then disease control effect is achieved, but immense effort and high costs are required
Solution Approach 1:
The invention applies fungicide to seeds before sowing, creating preliminary protection that lasts throughout the growing period. This preliminary action eliminates the need for subsequent foliage spraying, reducing labor effort while maintaining disease control effectiveness against powdery mildew, septoria leaf blotch, and other wheat diseases
2Reliability
If large quantities of controlling chemical and extensive mechanical device are used for spraying, then disease control is achieved, but costs increase significantly
Solution Approach 1:
The invention concentrates the fungicide application at the seed level, creating high local concentration where it is most needed (at the plant base and early growth stages). This localized application is more efficient than broad foliage spraying, achieving better disease control with significantly reduced chemical quantities
3Reliability
If QoI agent or DMI agent is used for disease control, then high control effect is achieved, but resistant fungi occur
Solution Approach 1:
The invention introduces a new chemical compound (dichloroisothiazole derivative) with a novel mechanism of action that is effective against fungi resistant to conventional QoI and DMI agents. This parameter change in chemical structure and mode of action overcomes resistance while maintaining high disease control effectiveness
Data Source
AI summary
The present invention provides a method for controlling a small grain cereals disease, in particular, powdery mildew, leaf rust, septoria leaf blotch, or eye spot, highly effectively and labor-savingly, a method for suppressing lodging damage of small grain cereals, and seed of small grain cereals. A method for controlling a small grain cereals disease, a method for suppressing lodging damage of small grain cereals, and seed of small grain cereals, in which seed of small grain cereals is treated with one or two or more selected from a dichloroisothiazole compound or a salt thereof, are provided.