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, Atul
- Progeny Performance of Plus Trees of Toona ciliata M. Roem. under Nursery and Field Conditions
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Growth
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Indian Forester, Vol 135, No 1 (2009), Pagination: 92-98Abstract
Progenies of 25 seed sources (plus trees) of Toona ciliata (Toon) collected from different seed zones of Himachal Pradesh were evaluated under nursery and field conditions. Analysis of variance for seedling height, collar diameter and number of leaves indicated significant mean squares for all the characters studied under nursery conditions. Seedling height and collar diameter after 120 days of sowing exhibited high heritability (broad sense) coupled with high genetic advance. Under field evaluation, seed sources viz. S1, S2, S5 and S6 exhibited faster growth rate based on the values of growth parameters.Keywords
Toona ciliata (Toon), Plus Tree, Progeny Performance, Genetic Variation, AnnualGrowth
- Effect of Tree Age Class and Storage on Germination Behaviour of some Important forest Tree Species of North-western Himalayas
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Indian Forester, Vol 128, No 6 (2002), Pagination: 660-666Abstract
Significantly higher germination in Albizia species was achieved within first eight days, when seeds of middle (32-48cm dbh) and mature (48-64cm dbh) trees i.e., of age class B or C, stored for six months were treated with acid and kept at 30οC temperature conditions. In case of Acacia catechu, the seeds of mature tree (16-24cm dbh) i.e. age class C stored for a period of three or five months, treated with acid and germinated at 30οC brought about significantly maximum increase in germination within only first six days. Irrespective of age class and incubation temperature, the seeds of Alnus nitida stored for a period of four months and treated with cold water showed significantly maximum germination within first fourteen days. A gradual but significant increase in germination tiJ1 fourteen days was noticed in seeds of Dalbergia sissoo which were stored for a period of six months, treated with cold water and incubated at 30οC temperature condition. The various tree diameter age classes had no significant effect on germination in seeds of Alnus and Dalbergia sissoo species.- Effect of Micro Site Variations on the Phenological Studies of Himalayan Shrubs - Woodfordia, Carissa, Prinsepia and Debregeasia
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