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01
Nov

Time of Harvesting

Time of Harvesting:

Harvesting is done in three seasons:

  • In kharif season the crop is harvested during October-November.
  • In Rabi/Winter season the crop is harvested during April-May.
  • In Summer season the crop is harvested during June-July.
01
Nov

Grain Discolouration

Grain Discolouration:

Symptoms:  

  • The discoloured grains are found associated with fungi like Helminthosporium sp., Curvularia lunata, Saracladium oryzae, Alternaria tenuis, Fusarium moniliforme, Cephalosporium sp. and Phoma sp.  
  • The disease appears on the grains during the maturity stage when there is incessan
01
Nov

Rice Tungro Virus: RTV

Rice Tungro Virus: RTV

Causal Organism: The virus is transmitted by the Green leaf hopper N. virescens and N. niggropictus.

Symptoms:

  • The diseased plants exibit orange yellow discolouration of leaves from the tip downwards.  
  • The young leaves show mosaic mottling. The plants are dwarfed with po
01
Nov

Sheath Rot

Sheath Rot

Casual Organism: Saracladium Oryzae

Symptoms:

  • The Diseases affects at booting stage.  
  • The uppermost leaf sheath enclosing the young panicle shows oblong or irregular spots with grey centre and brown margin.
  • The boot leaf becomes brownish black and rotten.
  • The grains
01
Nov

Sheath Blight

Sheath Blight

Casual Organism: Rhizoctonia Solani

Symptoms:  

  • The disease affects at tillering stage.
  • The infection starts in the form elliptical or oval greenish grey spots appearing on the leaf sheaths near the water level.  
  • These enlarge as irregular, elongated spo
01
Nov

Brown Spot

Brown Spot

Casual Organism: Helminthosporium Oryzae

Symptoms:  

  • The leaves show oval shaped foliar spots with yellow halo.Severely affected field presents a reddish appearance.
  • Grain become discoloured.

Control:

  • Grow resistant varieties like IR-24, Bala, Kris
01
Nov

Blast

Blast

Casual Organism : Pyricularia Grisera

Symptoms:

The leaves show spindle shaped spots with grey centre and dark brown margin.  

The lesions enlarge and cause drying of leaves. The nodes and neck regions turn black and cause rotting and breaking with complete/partial chaffiness of earhead.

Intermitte

01
Nov

Management of Snails and Rats

Management of Snails and Rats

(a) Snails:

(1) Effective control of snails to collect their eggs and dip in 10% salt solution.

(2) To kill the snails apply Carbofuron 3G @ 25 Kg/ha.

(b) Rats:

(1) Aluminium Phosphoric – keep 3 gm pillets in each live burrow and close the hole with mud.

(2) Zinc Phosphoid – Mix 1 gm Zinc Phosphoid with 40 parts edible flour + linseed oil and make 5 gm pillets as ba

01
Nov

Rice Hispa

Rice Hispa

Symptoms of damage:

1. The adult beetles feed on the epidermal tissue of the leaves and the grubs mine the leaf tissue and pupate there.

2. The beetles scrape the chlorophyll between the veins of the lamina resulting in whitish parallel streaks. Later, owing to indiscriminate feeding even on leaf veins, white blotches appear on leaves.

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01
Nov

Brown & Green Hopper

Brown & Green Hopper

Symptoms of damage:

1. The leafhoppers attack all the stages of the plant. Both adults and nymphs cause direct damage by sucking plant sap leading to stunted growth and reduced tillering.

2. At high population levels their feeding results in the drying of the plants and the infested paddy fields appear blighted. Infestation at

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