Cultivation Of Summer Squash

By Punjab Agricultural University on 26 Jan 2016

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Climate and Soil

It requires warm growing season with a temperature ranging between 18-30'C. It can be grown in various kinds of soils but sandy loam to loamy soils are ideal.

Improved Variety

Punjab Chappan Kadoo-1 (1982):

It is an early maturing variety and is ready for first harvest in 60 days after sowing. Plants are bush type, with thick and erect foliage, leaves non lobed and green without white specks; petiole and leaves hairy; fruits attractive green;disc shaped, mildly ribbed with flat stem-end and attractive.This variety has field resistance to downy mildew and tolerant to virus, powdery mildew and red pumpkin beetle. It has a high female to male ratio.Average yield of fruits is 95 q/acre.

Agronomic Practices

Sowing Time:

1. Mid-January to March 2. October to November (Under protection)

Seed Rate :

Use 2.0 kg of seed per acre.

Spacing :

Prepare 1.25 m wide beds and sow two seeds/hill at a distance of 45 cm apart on both sides.

Manures and Fertilizers

Apply 15 tonnes of farmyard manure per acre before preparation of beds. Add 40 kg. of N (90 kg. of Urea), 20 kg. P2O5 (125 kg. of Single Super phosphate) and 15 kg. K20 (25 kg. Muriate of Potash)per acre in two parallel bands at 45 cm apart and the channel should be prepared in between these fertilizer bands before sowing of the seed. Apply half of N along with whole of P2O5 and K20 at the time of land preparation. Rest half of N should be applied as top dressing one month after sowing.

Irrigation:

First irrigation should be given immediately after sowing to facilitate germination. Subsequent irrigation should be given at 6-7 days interval depending upon season. Total number of irrigation would be 9-10.

Harvesting

The crop will be ready for first picking 60-80 days after sowing depending upon variety and season. Fruits become fit for harvesting after 7 days of fruit setting. The interval of pickings should be 2-3days.

Seed Production

A seed crop field must be isolated all around to a minimum distance of 800 meter from other varieties of this crop. A minimum of three field inspections should be conducted to produce true to type seed. The first inspection should be done before flowering, second at flowering and fruiting and third before harvesting of the crop. The off type and diseased plants should be rouged off. The fruits turn bright yellow to orange at seed harvesting stage. The harvested fruits are cut into two halves and seed is scooped out by hand. The seed is washed in water and fruit flesh is poured off. The extracted seed is dried immediately. The seed yield is 2.0 to 2.5 q/acre.