Important Pests and Diseases in Linseed Cultivation
A) Important Pests of Linseed:
a) Linseed Gall Fly:
N. D:
1. This flies lay their eggs in the calyx of flower bud.
2. The maggot comes out of eggs feed the flower and as a result capsules are not formed.
C. M:
1. Growing of early varieties and follow mixed cropping
2. Killing of flies by keeping light traps or molasses in water to attract the flies.
3. Spraying of 0.05% endosulfan or 0.03% dimethoate.
b) Linseed Caterpillar:
N. D:
Caterpillar feed on the leaves of linseed.
C. M:
1. Handpicking and killing of caterpillar.
2. Spraying of 0.05% Malathion or endosulfan.
B) Important Diseases of Linseed:
a) Linseed Rust:
Symptoms:
Bright yellow pustules are appeared on leaves and later on black to brown pustules are seen on stem.
C. M:
1. Early sowing of linseed with mixed cropping.
2. Seed treatment with bavistin.
3. Grow disease resistant varieties.
4. Spraying of ditane M-45 @ 1250 gm in 500 lit water/ha.
b) Wilt:
Symptoms:
1. Fungal growth is found in root cavity.
2. The plant gradually wither and die.
C. M:
1. Early sowing of linseed with mixed cropping.
2. Seed treatment with bavistin @ 1.5 g/kh seed.
3. Grow disease resistant varieties.