Mist Chamber (Improved Nursery)

Haryana Community Forestry Project

Mist Chamber

HCFP

Mist Chamber at Seonthi

HCFP

Vegetative propagation is an important activity for producing best plant material from superior trees. While lower plants have the capacity to multiply vegetatively in their natural environment, the higher plants require special techniques for multiplying them vegetatively. One such example is vegetative propagation or cloning of Eucalyptus. First clones of Eucalyptus were produced in Brazil. The technology with some modifications was imported into India by I.T.C.Bhadrachalam. .

Given the great potential of Eucalyptus, Community Forestry Project constructed a mist chamber of 500 Sq.m. capacity. The propagation unit maintains high humidity (82 to 95%) and arrests transpirational loss of water to a maximum extent by the use of a fine intermittent mist in the mist chambers. The thin film of water reduces the temperature and helps to reduce the rate of transpiration. Misting increases the humidity inside the mist chamber in which cuttings are kept. The maximum temperature inside the chamber ranges between 35 to 40°C,

The state has an advantage because clonal plants from Bhadrachalam were imported since 1993. These were set up in experimental and demonstration plots. A large number of these plants were also used to develop multiplication areas. Based on the performance of these plants, clones 3, 10, 7 and 130 were screened for further cloning in our mist chamber.

Around 40,000 clonal plants are raised each year. Plant survival is 83%

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