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I. SEASON AND VARIETIES

DISTRICT/SEASON	VARIETIES
November (Winter season) Rainfed Vellore, Tiruvannamalai, Salem, Namakkal, Tiruchirapalli, Perambalur, Karur, Dharmapuri, Pudukottai, Erode, Coimbatore, Madurai, Dindigul, Theni, Virudhunagar, Ramanathapuram, Sivagangai, Tirunelveli, Thoothukudi.	CO 3, CO 4

II. DESCRIPTION OF VARIETIES

Variety	CO 3	CO 4
Parentage	Pureline selection from Maharashtra collection	Cross derivative of ICC 42 x ICC 12237
Year of release	1986	1998
50% flowering (days)	35 – 40	40
Duration (days)	85	85
Grain yield (Kg/ha)
Rainfed	1000	1150
Height (cm)	25 - 30	35 - 40
Branches	3 - 5	3 - 5
Flower colour	Light pink & veined	Light pink & veined
Colour of grain	Light brown	Brown
100 seed weight (g)	30-32	30 - 32

MANAGEMENT OF FIELD OPERATIONS

1. FIELD PREPARATION

Prepare the land to fine tilth and apply 12.5 t FYM/ha

2. SEED TREATMENT

Treat the seeds with Carbendezim (or) Thiram @ 2g/kg of seed 24hrs before sowing (or) with talc formulation of Trichoderma viride @ 4 g/kg seed (or) Pseudomonas fluorescens @ 10 g/kg seed. Biocontrol agents are compatible with biofertilizers. First treat the seeds with biocontrol agents and then with Rhizobium. Fungicides and biocontrol agents are incompatible.

The above seed treatment will protect the seedlings from seed borne pathogens in the early stages.

SEED RATE

CO 3 - 90 kg/ha.
CO 4 - 75 kg/ha.

As a pure crop to have an optimum plant population 325000 / ha

3. SEED TREATMENT WITH BIOFERTILIZER

Treat the seeds with one packet (200 g/ha) of Rhizobial culture (200 g/ha) of Phosphobacteria developed at TNAU using rice kanji as binder. If the seed treatment is not carried out apply 10packets of Rhizobium (2 kg/ha) and 10 packets(2 kg) of Phosphobacteriawith 25 kg of FYM and 25 kg of soil before sowing. Dry the biofertilizer treated seeds in shade for 15 minutes before sowing.

4. FERTILIZER APPLICATION

a) Apply fertilizers basally before sowing.
    Rainfed : 12.5 kg N + 25 kg P2O5 + 12.5 kg K2O +10 kg S*/ha
    Irrigated : 25 kg N + 50 kg P2O5 + 25 kg K2O + 20 kg S*/ha
               *Note : Applied in the form of gypsum, if Single Super Phospate is not applied as a source of phosphorus
b)   Soil application of 25 kg ZnSo4/ha under irrigated condition

5. SOWING

Dibble the seeds by adopting the spacing of 30 cm x 10 cm.

6. WEED MANAGEMENT

Pre emergence application of Pendimethalin @ 2.5 litres on 3rd day after sowing using Backpack/ Knapsack/Rocker sprayer fitted with flat fan nozzle using 500 litres of water for spraying one ha followed by one hand weeding on 25 - 30 days after sowing.

If herbicide is not applied give two hand weedings on 15th and 30th day after sowing.

7. INTERCROPPING IN BENGALGRAM

Bengalgram in paired row planting with one or two rows of Coriander as intercrop would give the highest return. Wheat can also be intercropped in deep black cotton soil in Coimbatore, Erode, Salem, Namakkal and Dharmapuri districts.

Other Management practices

As in crop management technique

Source :
www.dacnet.nic.in/pulses/gallery1.htm
delegation

Updated on : 04.06.2013