Phalsa (Grewia
subinaequalis), a subtropical fruit, is native to India. It is commercially
grown in Punjab, Haryana, Gujarat, Maharashtra and Bihar. Its cultivation is
favoured around big cities where fruits find a ready and quick sale. It has a
poor keeping quality. It is also grown as an intercrop with mango, aonla, bael
and ber. Phalsa is bushy plant which can grow into a tree if left unpruned. It
is very hardy, and tolerant to drought. It bears many small berry-like fruits
of deep reddish-brown colour. Ripe fruits are sub-acidic in taste and a rich
source of vitamins (A and C) and minerals (phosphorus and iron). Its medicinal
qualities are known since vedic times. The fruits are somewhat astringent and
have a cooling effect. They help cure inflammation, heart and blood
disorders, fever and constipation.
Climate and soil
Phalsa being a hardy plant, can withstand drought
and can be grown under adverse climatic conditions. It requires distinct
winter and summer for better yield and fruit quality. The plants can tolerate
even a temperature of 45°C and freezing temperature for a few days. High
temperature helps in ripening of fruits. Rains at the time of flowering affect
fruit set and crop yield.
Phalsa can be grown on a wide variety of soils
even on moderately sodic soils. It grows well in well-drained, loamy soils. The
plant is sensitive to water-logging which makes it chlorotic.Iron chlorosis is
a common problem in calcareous soils.
Varieties
There is no improved variety of phalsa. Some
local selections—Local and Sharbati—are popular. Two distinct types Tall and
Dwarf have been recognized. Dwarf type is commonly grown. It is quite
productive.
Propagation
Phalsa is commercially raised through seeds since
there is no variability. Propagation by cuttings (hard wood) and layers is also
possible with the help of growth-regulators (IBA 2,500–3,000ppm.). Freshly
extracted seeds can be stored up to 3 months at ordinary storage and up to 6
months under cold storage. Seeds can be better stored in polythene bags than
glass jars.
The seeds are sown in well-prepared nursery beds,
6cm apart and in rows 30cm apart. July–August is ideal time for sowing. Seeds
germinate in 2 weeks. The seedlings are ready for transplanting in
January–February.
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