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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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