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Kaushik, J. C.
- Mortality of Dalbergia sissoo Roxb. and Relationship to Edaphic Factors in Arid Zone of Haryana, India
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Indian Forester, Vol 134, No 1 (2008), Pagination: 66-76Abstract
A. two years survey of Dalbergia sissoo plantations in arid zone of Haryana, India revealed nearly 29% mortality of D. sissoo trees, being maximum among roadside plantations. The medium girth class (50-100 cm) trees exhibited maximum mortality and most of declined trees were prone to water stress conditions. Nearly 25% declined trees had calcareous pan in their ischolar_main zone. The analysis of soil physico-chemical properties beneath healthy and declined trees exposed significantly high pH and electrical conductivity in sites having declined sissoo trees. While N, P, K, Mg contents of soil were recorded significantly higher beneath healthy trees. Significant reduction in the amount of N, P, K and Fe accumulation in foliage of declined trees as compared to healthy trees was also observed.Keywords
Dalbergia sissoo, Mortality, Edaphic Factors, Arid Zone, Haryana- In-vitro Evaluation of Fungal and Bacterial Antagonists against Fungal Pathogens Causing Damping off in forest Nurseries
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Indian Forester, Vol 126, No 8 (2000), Pagination: 885-889Abstract
Damping off in forest nurseries is one of the most serious and widely spread diseases throughout the world. Sometimes it causes more than 90 percent seedling mortality under favourable conditions. Four biocontrol agents were evaluated against the 12 pathogenic fungi under laboratory conditions by following dual culture plate technique. Both the fungal biocontrol agents checked more than 50 percent growth of all the pathogens. Pseudomonas fluorescens was more effective than Bacillus subtilis. However, B. subtilis effectively controlled the growth of R. solani and F. moniliforme.- Genetic Variability and Correlation Studies for Seed Morphology, Seedling Growth and Biochemical Traits in Neem (Azadirachta indica A. Juss)
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