Devastating Leaf Blight Of Wheat: The Integrated Management Approach
Are you concerned about the health of your valuable wheat crops due to the threat of Wheat Leaf Blight? Don’t worry! This article is your go-to resource to learn crucial information and discover effective strategies to tackle this fungal menace.
Alternaria triticina, a fungal plant pathogen, is responsible for inducing leaf blight in wheat plants. As wheat plants age, their susceptibility to this disease increases, as the fungal pathogen is unable to affect young wheat seedlings that are less than four weeks old. The symptoms caused by them are usually not evident until the plants are about seven weeks, but severe infection can cause up to 80% yield loss. Temperature of about 20-25 °C and high relative humidity favors the development of this disease.
Leaf blight of wheat has a complex disease cycle that involves primary and secondary infections.
Scientific Name: Alternaria triticina
The following points will help you to easily identify the symptoms caused by leaf blight of wheat.
An integrated Pest Management measures includes cultural, mechanical, biological and chemical method which is often required to control leaf blight of wheat effectively.
Chemical control is an important aspect of managing wheat leaf blight disease. Some of the commercial chemicals used for controlling leaf blight are mentioned in the table below,
Product Name | Technical Content | Dosage |
Kavach Fungicide | Chlorothalonil 75% WP | 1-2 gm/lit of water |
Ergon Fungicide | Kresoxim-methyl 44.3% SC | 1-1.5 ml/lit of water |
Indofil Z 78 Fungicide | Zineb 75% WP | 2-2.5 gm/lit of water |
Vespa Fungicide | Propiconazole 13.9% + Difenconazole 13.9% EC | 0.75-1 ml/lit of water |
Bayer Buonos Fungicide | Tebuconazole 38.39% SC | 1.25 ml/lit of water |
Dhanuka M45 Fungicide | Mancozeb 75% WP | 3-4 gm/lit of water |
Blue Copper Fungicide | Copper Oxychloride 50% WP | 1-2 gm/lit of water |
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