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First report of Nigrospora sphaerica causing leaf spots on Celtis australis from Himachal Pradesh, India

100%

Gautam A. K.

International Letters of Natural Sciences

2015

tom 40

Nigrospora sphaerica collected on living leaves of Celtis australis L. (Cannabaceae) from Himachal Pradesh, India is a new host record. Symptoms of the disease on leaves appeared in the form of small, circular to irregular, brown - coloured spots surrounded by a yellow zone. The fungus isolated was identified as Nigrospora sphaerica (Sacc.) E.W. Mason, on the basis of cultural and morphological characters. The fungus is described and illustrated.

Growth and nutrition of restored Quercus castaneifolia C.A. Mey. versus native Celtis australis L. tree species: conservation perspectives of Hyrcanian forest (Iran)

67%

Hosseini S. M., Raouhi-Moghaddam E., Ebrahimi E., Rahmani A., Tabari M.

Polish Journal of Ecology

2010

tom 58

nr 1

For native species, mixed plantation systems seem to be the most appropriate for providing a broader range of options such as production, protection, biodiversity conservation and restoration. After 11 years, growth and nutrition and soil properties were examined in young plantation of two indigenous tree species in Hyrcanian forests of Iran. Quercus castaneifolia C.A. Mey. (as target species) and Celtis australis L. (as native component species) were planted in five proportions (100Q, 70Q:30C, 60Q:40C, 50Q:50C, 40Q:60C) in Noor, Iran. Diameter at breast height of individual Quercus trees and total basal area were affected by the presence of Celtis. Percent retranslocation of nutrients in Quercus followed in order: K> P> N. Leaf-litter fall production ranged from 4.10 to 6.14 t ha⁻¹ year⁻¹. Ca and Mg concentrations in fully expanded leaves of Quercus, N and K retranslocation of Quercus, concentration of available P in soil were higher in some of the mixed plantations than in monoculture of Quercus. On the other hand, N concentration in fully expanded leaves of Quercus, N fluxes and soil C/N ratio were higher in monoculture of Quercus. Within the framework of this experiment, it appeared that production was maximized when these two species were grown together in the proportion of 60% Quercus and 40% Celtis.

Ograniczanie wyników

1 International Letters of Natural Sciences

1 Polish Journal of Ecology

1 Ebrahimi E.

1 Gautam A. K.

1 Hosseini S. M.

1 Rahmani A.

1 Raouhi-Moghaddam E.

1 Tabari M.

1 2015

1 2010

Wyniki wyszukiwania

First report of Nigrospora sphaerica causing leaf spots on Celtis australis from Himachal Pradesh, India

Growth and nutrition of restored Quercus castaneifolia C.A. Mey. versus native Celtis australis L. tree species: conservation perspectives of Hyrcanian forest (Iran)