Online Manual for the Forest Tree Seeds of Kerala

A Kerala Forest Department Funded Project


Dr. K Sudhakara
Professor & Head of the Department
Dept. of Silviculture & Agroforestry
College of Forestry, Kerala Agricultural University, Thrissur 680 656
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Scientific Name  Pseudoxytenanthera ritcheyi (Munro) Naithani
Vernacular name  Uyie, Erankol (Malayalam), Huda, Udhe, Manga, Tandali (Hindi), Choomaree, Choua, Chiwa (Kannada) (Chacko et al., 2002).
Common name 
Synonyms  Bambusa ritchiei Munro, Oxytenanthera monostigmaBedd., O.ritchiei (Munro) Blatter & Mc Cann (Chacko et al., 2002).
Family  Poaceae (Graminae)
Subfamily 
Origin 
Distribution  Generally found on top of ridges and hills in Karnataka, Maharashtra, Kerala and Tamil Nadu (Chacko et al.,2002).
Description  Fast growing small sized strong bamboo, nearly solid, culms about 3-4.5 m tall and 2.5-3.5 cm in diameter (Chacko et al.,2002).
Flowering season 
Fruiting season  April -May (Chacko et al.,2002).
Flowers  Inflorescence a large terminal panicle or spicate.
Fruits  Fruit is a caryopsis, narrow linear oblong, grooved, ending in a conical mucro formed by the persistent base of the style (Chacko et al.,2002).
Fruit type  Caryopsis.
Seeds 
Seed length 
Seed width 
Seed thickness 
Seed weight  75,000 -78,000 seeds/kg (Chacko et al., 2002).
Seed dispersal 
Seed Collection  Seeds are collected by sweeping the ground under flowered clumps and cleaned by winnowing. It is advisable to spread a cloth or tarpaulin sheet under the clumps prior to seed collection (Chacko et al., 2002).
Transportation of seeds  Seeds are transported as early as possible to the processing centre (Chacko et al., 2002).
Seed processing  Seeds are cleaned by winnowing, and dried (Chacko et al., 2002).
Seed storage  Orthodox. Not recommended (Chacko et al., 2002).
Viability period  No information (Chacko et al., 2002).
Seed emptiness  Low (Chacko et al., 2002).
Seed pre treatment  Soaking in cold water for 24 hrs before sowing (Chacko et al.,2002).
Germination type  Epigeal (Chacko et al., 2002).
Germination percentage  Up to 70 (Chacko et al., 2002).
Germination period  12 to 18 days (Chacko et al., 2002).
Nursery technique  Seeds are sown directly in nursery beds during March-May and covered with soil. Partial shade is necessary up to two months for initial establishment of the seedlings. Seedlings (5 to 6 cm high) are potted in polythene bags of 22.5cm x 17.5 cm size filled with 3 parts forest topsoil 1 part sand and 1 part powdered farmyard manure. One year-old polypotted seedlings are transplanted to the field (Chacko et al., 2002).
Method of propagation  Vegetative propagation (Chacko et al., 2002).
Vegetative propagation  Vegetative propagation is done using 2-noded culm cuttings from one to two year old culms treated with a solution of NAA 100 ppm. The culm cuttings are planted horizontally in the nursery beds during April-May (Chacko et al., 2002).
Pests  No information (Chacko et al., 2002).
Diseases  No information (Chacko et al., 2002).
Medicinal properties 
Uses  The culms are suitable for fencing, and for making basket and umbrella handles (Chacko et al., 2002).
Wood properties 
References  Get ...
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