What are the common diseases of rice plant?
What are the common diseases of rice plant?
Diseases
- Bacterial blight.
- Bacterial leaf streak.
- Blast (leaf and collar)
- Brown spot.
- False smut.
- Rice grassy stunt.
- Rice ragged stunt.
- Sheath blight.
What are the pest plants for rice crop?
Leafhoppers and Planthoppers The brown planthopper, an important pest of rice in Asia. In general, the leafhoppers (family Cicadellidae) attack all aerial parts of the plant whereas the planthoppers (family Delphacidae) attack the basal portions (stems).
How do you control rice pests?
Rotating rice with a non-rice crop removes the pests’ food source and reverses their population buildup. This method is effective against pests for which rice is the preferred host. Crop rotation is advocated to control gall midge, stem borers, white grubs, termites, planthoppers, seed bugs, and armyworms.
What insect is pest of rice?
The rice water weevil is the most serious pest of rice in the US. It is native to Texas, but was accidentally introduced into California, as well as China, North and South Korea, Taiwan, Japan and Europe. Thus, it is now a global pest of rice. Adults feed on rice leaves and lay their eggs underwater in rice stems.
How many types of disease are there in Paddy?
The six diseases are – False Smut, Sheath Blight, Sheath Rot, Bacterial Leaf Blight (BLB), Neck Blast and Brown Spot.
What are the four major pests of rice?
The pests considered in this research are Yellow Stem borer, Gall midge, Leaf folder, and Planthopper.
What are the five common diseases of rice?
| Fungal diseases | |
|---|---|
| Blast (leaf, neck [rotten neck], nodal and collar) | Pyricularia grisea = Pyricularia oryzae Magnaporthe grisea [teleomorph] |
| Brown spot | Cochliobolus miyabeanus Bipolaris oryzae [anamorph] |
| Crown sheath rot | Gaeumannomyces graminis |
| Downy mildew | Sclerophthora macrospora |
What are the major insect pest of paddy with classification?
Management of Major Insect Pests of Paddy Crop
| S. No. | Technical name |
|---|---|
| 1. | Monocrotophos 36% SL |
| 2. | Thiamethoxam (12.6%) + Lambdacyhalothrin (9.5%) ZC |
| 3. | Quinalphos 25 % EC |
| 4. | Thiamethoxam 25 % WG |
How do you manage pests and diseases?
Chemical pesticides are often used to control diseases, pests or weeds. Chemical control is based on substances that are toxic (poisonous) to the pests involved. When chemical pesticides are applied to protect plants from pests, diseases or overgrowth by weeds, we speak of plant protection products.
What is the name of disease of rice?
rice bacterial blight, also called bacterial blight of rice, deadly bacterial disease that is among the most destructive afflictions of cultivated rice (Oryza sativa and O. glaberrima). In severe epidemics, crop loss may be as high as 75 percent, and millions of hectares of rice are infected annually.
