INTRODUCTION
Teak is normally a plantation tree for high-altitude forests, but on account
of its excellent and durable highly saleable timber, it has been tried as an exotic
on a wide variety of sites in almost every country in Africa South of the Sahara
(FAO, 1974). As untreated teak seed germinates slowly and irregularly, various
seed pretreatments such as burying on termite mounds, burning straw
over the spread seed and scorching with a flame gun (FAO, 1974), have been
used to achieve more rapid and uniform germination in the nursery. Banerjee
(1942) recommends soaking teak seed in a pond for 36 h and then alternate
drying and wetting for 2-3 weeks before sowing. In Tanzania, more than 50%
germination success is achieved by soaking 8-12 months-stored seed for 72 h
in full sacks in a stream before sowing (Wood, 1967). Stratifying seed, which
has lain on the forest floor throughout the rains, in pits with alternate layers
INTRODUCTION
Teak is normally a plantation tree for high-altitude forests, but on account
of its excellent and durable highly saleable timber, it has been tried as an exotic
on a wide variety of sites in almost every country in Africa South of the Sahara
(FAO, 1974). As untreated teak seed germinates slowly and irregularly, various
seed pretreatments such as burying on termite mounds, burning straw
over the spread seed and scorching with a flame gun (FAO, 1974), have been
used to achieve more rapid and uniform germination in the nursery. Banerjee
(1942) recommends soaking teak seed in a pond for 36 h and then alternate
drying and wetting for 2-3 weeks before sowing. In Tanzania, more than 50%
germination success is achieved by soaking 8-12 months-stored seed for 72 h
in full sacks in a stream before sowing (Wood, 1967). Stratifying seed, which
has lain on the forest floor throughout the rains, in pits with alternate layers
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