Sour skin disease of onion

Causal Agent: Burkholderia cepacia (syn. Pseudomonas cepacia)

Slippery skin disease of onion

Causal Agent: Burkholderia gladioli pv. alliicola (syn. Pseudomonas gladioli pv. alliicola)

Stubby-root nematode symptoms and their cultural management in Onion

Causal Agent: Paratrichodorus allius

Stem and bulb nematode symptoms and their cultural management in Onion

Causal Agent: Ditylenchus dipsaci

Root-knot nematode symptoms and their cultural management in Onion

Causal Agent: Meloidogyne hapla

Lesion nematode symptoms and their cultural management in Onion

Causal Agent: Pratylenchus penetrans

Bacterial Soft Rot disease of onion

Scientific Name: Pectobacterium carotovorum subsp. carotovorum (syn. E. carotovora subsp. carotovora)

Production of Onion in Indian states

Boron Deficiency in sesamum

Symptoms

• Boron deficient plants appear severely stunted within two weeks.

Sulphur Deficiency in sesamum

Symptoms

• The growth of the plant is retarded.
• Leaf size is reduced. Initially, the fully emerged young leaves turn pale.