French bean planting procedures and production techniques

The botanical name of French bean is Phaseolus vulgaris L; it belongs to the family Fabaceae

Bush type - Varieties
Hills: YCD 1, Ooty 1 and Arka Komal (Sel.9), Premier
Plains: Arka Komal, (Sel.9) Premier

Soil: Well drained loamy soils with pH range of 5.5-6.0. Cool climate.

Hills: February –March
Plains: October- November

Sowing: Treat the seeds with Trichoderma 4 g/kg or Thiram or Carbandazim @ 2 g/kg of seed 24 hours before sowing to control fungal diseases. If the crop is raised for the first time it should be treated with Rhizobium as in cluster beans. In hills, sow the seeds in lines or in beds. In plains, sow the seeds in the sides of the ridges.

Seed rate and spacing
Hills: 80 kg/ha (2 seeds/hill) 30 x 15 cm.
Plains: 50 kg/ha (2 seeds/hill) 45 x 30 cm.

Preparation of field
Hills: Dig the soil thoroughly and incorporate FYM. Form beds of convenient size.
Plains: After two ploughings form ridges and furrows.

Irrigation: Immediately after sowing, third day and thereafter once a week.

Application of fertilizers: Apply FYM 25 t/ha at the last ploughing. N at 90 and P at 125 kg/ha should be applied on one side of the ridges.
For rainfed conditions of Shevaroy hills, apply as a basal dose of 62.5 kg/ha of Phosphorous as super phosphate and with another half of 62.5 kg/ha Phosphorous as FYM enriched super phosphate.

After cultivation: Weeding should be given 20 – 25 days and 40 – 45 days after sowing. The crop should be earthed up after each weeding.

Plant protection against Pests
Aphids and thrips: Treat the seeds with carbofuran 3 G at 10 g/kg of seed or monocrotophos 36 WSC 10 ml/kg of seed using adhesive. Spray monocrotophos 36 WSC or methyl demeton 25 EC or dimethoate 30 EC each at 1 ml/lit. In hills, glass house white fly occurs during May -
August. Spray monocrotophos 36 WSC 1 ml/lit. Place 20 yellow sticky traps coated with castor oil in polythene sheet to attract the white flies.
Pod borer: Spray carbaryl 50 WP thrice at fortnightly intervals at the rate of 2 g/lit. Dust with carbaryl 10 D at the rate of 25 kg/ha or endosulfan 35 EC @ 2 ml/lit.
Ash weevil: Spray endosulfan 35 EC @ 2 ml/lit.
Whitefly: Spray methyl demeton 25 EC or dimethoate 30 EC or monocrotophos 36 WSC or phosphamidon 40 SL @ 1 ml/lit of water.

Plant protection against Diseases
Powdery mildew: Spray Wettable sulphur at 2 g/lit or dust Sulphur at 25 kg/ha.
Rust: Dust Sulphur at 25 kg/ha.
Anthracnose: Spray Mancozeb at 2 g/lit or Carbendazim 1 g/lit or Chlorothalonil 2 g/lit.
Leaf spot: Spray Mancozeb 2 g/lit.
Root rot: Drench with Carbendazim 1 g/lit.

Yield: 8 - 10 t/ha green pods in 90 - 100 days.

Pole types Varieties
TKD 1, KKL-I, Ooty 1, Murungai bean

Soil: Well drained loamy soils with pH range of 5.5-6.0. Requires cool climate.

Season and sowing
Hills: February – March, July - August.

Preparation of field: Prepare the land to fine tilth. Sow the seeds at a spacing of 20 cm between plants in double rows of 30 cm apart with the distance of 1.5 metre between each pair of rows.

Seed rate: 50 - 55 kg/ha. Treat the seeds with Rhizobium (4 packets/ha).

Irrigation: Immediately after sowing, on 3rd day and after once in a week.
Application of fertilizers: FYM 25 t/ha, 90 kg each of NPK as basal and 45 kg each 20 days after sowing.

After cultivation: First weeding and staking 20 days after sowing.

Plant protection against Pests
Leaf hopper: Methyl demeton 25 EC or dimethoate 30 EC at 2 ml/lit.
Pod borer: Carbaryl 50 WP 2 g/lit.

Plant protection against Diseases
Mosaic: Remove the affected plants and spray with systemic insecticides to control insect vectors.
Powdery mildew: Spray with Wettable sulphur at 2 g/lit or dust with Sulphur 25 kg/ha.
Rust: Dust with Sulphur @ 25 kg/ha.
Anthracnose: Spray with Mancozeb 2 g/lit. Remove the affected plants and pods.

Yield: Green pods 8 - 10 t/ha in 90 to 110 days.

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