Introductions:

Green  gram  commonly called  moongbean  is one  of  the most  important  and popular  pulses among  the  pulse  family. The  pulse  is  highly  in  demand  for  its  nutritional  value  and  other benefits. Cultivating green gram is beneficial as it enriches the soil. Green gram is used for a variety of purposes. The pulses are very nutritious used for cooking both whole and split. The sprouted pulses are also used as popular snack item.

Common Diseases in green gram

Powdery mildew – Erysiphe polygoni

Symptoms:

Powdery spots appear on the upper surface of the leaves as Small, irregular patches, sometimes on both the surfaces.

White powdery spots completely cover the leaves, petioles, stem and Even the pods.

Management:

Spray Carbendazim 500g or Wettable Sulphur 2kg at the Initiation of disease and repeat 15 days later.

Anthracnose – Colletotrichum lindemuthianum (Sexual Stage: Glomerella lindemuthianum)

Symptoms:

Small angular brown lesions appear on leaves, mostlyadjacent to Veins, which later become greyish white centre with dark brown or Reddish margin.

Lesions may be seen on the petioles and stem.

The prominent Symptom is seen on the pods.

Management

Spray Chlorothalonil 1 kg or Mancozeb 2kg/ha soon after the Appearance of disease and repeat after 15 days.

Leaf spot – Cercospora canescens

Symptoms

Small, circular spots develop on the leaves with grey centre and brown Margin. Several spots coalesce to form brown irregular lesions.

Management:

Spray Mancozeb at 2 kg/ha or Chlorothalonil 1 kg /ha.

Rust – Uromyces phaseoli var typica 

Symptoms:

Rust pustules are mostly seen on leaves, rarely on petioles, stem And pods. Small, round, reddish brown uredosori developed on Lower surface of leaves.

Management

Spray Mancozeb 2 kg or Propiconazole 1L/ha, immediatelyon the Set of disease and repeat after 15 days

Dry root rot- Rhizoctonia bataticola (Pycnidial stage:Macrophomina phaseolina)

Symptoms

Initial disease symptom starts with yellowing and drooping of the Leaves.

The rotten tissues of stem and root contain a large number of black Minute sclerotia.

Management

Treat the seeds with carbendazim + thiram at 2 g/kg (1:1 ratio) or pellet The seeds with Trichoderma viride at 4 g/kg (106 cfu/g) or Pseudonomas fluorescens @ 10g Of seed.

Mungbean Yellow mosaic disease – Mungbean yellow mosaic virus (MYMV)

Symptoms:

Young leaves initially shows small yellow patches or spots on green Lamina.

Yellow discoloration slowly increases and leaves turn completely Yellow.

Management

Treat the seeds with Thiomethoxam-70WS or Imidacloprid-70WS @4g/kg

Spray Thiamethoxam-25WG @ 100g or Imidacloprid 17.8% SL @ 100 ml in 500 lit of water.

Summary

Green gram is affected for so many diseases,yield are reduced . management is chemical and resisten veriety very important.

So many minor disease are present.