What are the diseases of sugarcane?
Sugarcane: Diseases and Symptoms
- Red rot.
- Wilt.
- Grassy shoot.
- Smut.
- Leaf scald disease.
- Red striped disease.
- Mosaic disease.
- Pokkahboeng.
WHO reported red rot of sugarcane disease?
Kar and Varma (30) reported that red rot fungus reduced the sett (seed cane) germination to half and the yield to one-third that of disease-free seed canes.
What do you mean by red rot of sugarcane?
Red rot of sugarcane was first reported as a disease in sugarcane in Java in 1893 [3]. Within a decade after Went’s description of the disease and its economic damages to sugarcane milling in Java, its occurrence was reported in several other parts of the world.
How do you control rust on sugarcane?
Cultural method
- The best means of control for sugarcane rust is to grow resistant varieties Use resistant varieties like Co 91010 (Dhanush), Co 87025 (Kalyani)
- Affected leaves should be remove and burn immediately.
- Sugarcane grown in fields receiving recent applications of mill mud is typically very prone to rust.
What is the most destructive disease of sugarcane?
Among all the diseases, fungal disease named red rot of sugarcane is the most threatening disease of sugarcane, rightly called as ‘Cancer’ of sugarcane. It causes severe loss in yield and quality of the sugarcane.
Which disease increases sugar content in sugarcane?
| Sugarcane grassy shoot disease | |
|---|---|
| Typical symptoms of Sugarcane Grassy Shoot (SCGS) disease | |
| Common names | SCGS, Sugarcane grassy shoot disease; GSD, Grassy Shoot disease |
| Causal agents | ‘Candidatus Phytoplasma sacchari’ |
| Hosts | Sugarcane (Saccharum officinarum L.) |
Who named Puccinia graminis?
Persoon
The Italian scientists Fontana and Tozzetti independently provided the first detailed descriptions of the stem rust fungus in wheat in 1767. Persoon named it Puccinia graminis in 1797. By 1854, the Tulasne brothers recognized that some autoecious (single host) rust fungi could produce as many as five spore stages.
Which fungi caused red rot of sugarcane?
Glomerella tucumanensis
Red rot (important in Indonesia and South Asia) is characterized by interrupted red and white patches within the cane along with a sour alcoholic odour when the cane is split open. Caused by the fungus Colletotrichum falcatum (Glomerella tucumanensis), red rot first attracts attention by…
What causes red rot?
Red rot is caused by prolonged storage or exposure to high relative humidity, environmental pollution, and high temperature. In particular, red rot occurs at pH values of 4.2 to 4.5. Sulfur dioxide converts to sulfurous acid which forms hydrogen peroxide.
What are the two common diseases affecting sugarcane cultivation?
Viral Diseases of Sugarcane
| Sl.No | Disease Causal organism |
|---|---|
| 1. | Yellow leaf disease: Sugarcane yellow leaf virus (SCYLV) / Sugarcane yellow leaf phytoplasma (SCYP) |
| 2. | Sugarcane mosaic:Sugarcane mosaic virus (SCMV) / Sugarcane streak mosaic virus (SCSMV) |
| 3. | Leaf Fleck |
How do you control red rot in sugarcane?
Chemical method:
- Adopt sett treatment with Carbendazim before planting (Carbendazim 50 WP (0.5 gm in 1 litre of water) or Carbendazim 25 DS (1gm in 1 litre of water) along with 2.5 kg of Urea in 250 litre of water.
- Use fungitoxic chemicals like Bavistan, Benomyl, Topsin and Aretan at 0.1 per cent for 18 min.
What are the major diseases of sugarcane in Pakistan and how these diseases are caused?
Ans. Red rot, whip smut, sugarcane mosaic virus, red strip of sugarcane, sugarcane rust and pokka boeing are the major diseases of sugarcane in Pakistan and can cause severe losses in sugarcane yield and production and quality. Regular rouging of diseased plants and burning of diseased plant parts.