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Malayalam Hums |
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| Title |
Augmenting Pepper and Cardamom Diversity: Debarking Invigorates Mahogany |
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21116 Debarking in mahogany to increase the girth
George planted mahogany in three acres of his land. During his leisure time, he made some longitudinal cuts in the barks of those mahogany plants. After a year, he noticed that these plants increased double in their girth compared to other plants. Thereafter, he started practicing this method in all his mahogany plants and got promising results. Mahogany in its normal growth phase splits the bark by itself, which results in increase in girth. The innovator claims that by his practice, he is facilitating the increase in the girth by three to four inches per year compared to one or two inches in normal method. His method is practiced by several farmers and they reportedly have got good results.
K J George, Thiruvalla, Distt. Pathanamthitta,
In a study by Ching Ju et al 2006, splitting was noted like a a kind of stress to the plants.This signals increased rate of secondary growth which is also influenced by different seasons. Oliver Dünisch (2006) reported kinetics of cell formation and growth stresses in the secondary xylem of Swietenia mahagoni (L.) Jacq. and Khaya ivorensis A. Chev. (Meliaceae).
21117 A new high yielding variety of pepper
The innovator noticed a particular pepper plant different from the rest while clearing the land in Kanchiyar, a place near Kattappana in Idukki district. He protected the plant. He grafted the stem cuttings from this plant on Pepper colubrinum. But the grafted plants didn’t show all the good qualities of the mother plant. He abandoned grafting and instead used the stem cuttings from the mother plant and propagated these by raising them in polythene bags. These plants showed all the good qualities of the mother plant. The higher yield, resistance to pests and diseases under sunny conditions and branching and sub-branching of the spikes were some of the distinctive features of this variety. It yields about 4000 kg per hectare and is reported to be resistant to wilt and nematodes.
T T Thomas,Thekkel veedu, Distt. Idukki
21118 Elarajan - new cardamom variety
Benny selected superior quality planting material (rhizomes) from a locally popular variety of cardamom viz., Mysore vazhuka in his plot. Then he collected seeds of superior quality from the selected plants. He replanted these seedlings next year, continued with the selection and collection of superior quality seeds and after seven years of research, he came up with a superior quality cardamom.
Height of the plant is 360 cm. Tillers vary from 50 to 60 per clump in a two year old plant and this variety has 100 to 120 panicles per clump. Each panicle has 35 to 45 racemes and 20 to 25 capsules per raceme. The panicles are 150 centimetres long and the capsules mostly grade from 9 to 11 mm as distinct from 6 to 8 mm observed in other varieties of cardamom. The yield of the new variety is 12,500 kg of green cardamom per hectare and the green to dry conversion ratio is 5:1. The variety has already diffused locally to some extent and has moderate pest and disease resistance.
K J Benny, Santhanpara, Distt. Idukki
21119 Thiru thali – new cardamom variety
Joseph, a traditional cardamom grower, has developed a new cardamom variety, Thiruthali as a result of 20 years of research. The innovator cultivated Njallani, Mysore Vazhuka and local varieties of cardamom in the same plot. Planting of different varieties in the same plot resulted in the cross pollination by honey bees among different varieties. After selection of superior quality planting material (rhizomes),he came up with a new variety of cardamom in which the spikes are more than five feet long. The plant is 15 feet tall and has around 200 tillers per plant. The panicles are around seven feet long, which is quite unusual. It yields two to four kg of dry cardamom per plant and 4000 kg of dried cardamom per hectare. The green to dry conversion ratio is 4:1. About 80 % of the capsules grade 7 mm. It has got an attractive colour and is moderately resistant to pests and diseases.
T P Joseph, Santhanpara, Distt. Idukki
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| Volume No. |
Honey bee 20(4), 29, 2009 & 2010 |
