Best Viewed in Mozilla Firefox, Google Chrome

02
Aug

Udbatta disease

The disease was first detected in Nongpoh, Meghalaya and later in Jowai area in the NE hill states. The disease causes 5-10% yield losses and most of the local varieties are affected. The panicle emerges from the leaf sheath as a straight, dirty coloured , hard cylindrical spike, reduced in size, much resembling an agarbatti or udbatta and hence the name. No grains are formed on the affected ear and c
02
Aug

Sheath blight

This disease has recently assumed seriousness in NE region. The disease causes spots or lesions mostly on leaf sheath, extending to the leafblades under favourable conditions. The lesions are large, oblong with grayish white center and brownish red or purplish red margin. In advanced stages, sclerotia are formed on the lesions, which are easily detached. In severe cases, all the leaves of a plant are
02
Aug

Leaf scald

1. The disease occurs in all states of NE region coinciding generally with maturity stage of the crop. Typical symptoms appear on the upper part of the leaves. Lesions start either from the tip or along the margin and are oblong with characteristic alternate zonations of the dark brown or light yellow areas. 2. The disease is caused by Rhynchosporium oryzae. The pathogen produces conidia, which are
02
Aug

Rice brown spot

1. The disease causes blighting of seedlings in the nursery and leaf spotting on the leaves and leaf sheaths in the field. 2. The spots are round to oval and dark brown; in severe cases they may coalesce to form large patches. The disease occurs mostly in deficient and poor soils and commonly referred to as poor man's disease. 3. Infection is also seen on glumes, neck of the panicle and g

02
Aug

Rice blast

1. This is the most important and destructive disease of rice in all NE states causing yield losses up to 35-50%. 2. The fungus, Pyricularia grisea attacks all aerial parts of the plant at all stages of growth, although leaves, nodes and neck of the panicle are found to affect more commonly. 3. spindle shaped spots with ashy center and brown margin are typical symptoms appear on the leaves.
Copy rights | Disclaimer | RKMP Policies