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Journals
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Harsh, N. S. K.
- Population Assessment of Trichoderma piluliferum Using a Modified Selective Medium
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Indian Forester, Vol 135, No 7 (2009), Pagination: 960-964Abstract
Trichoderma species are one of the potential biocontrol agents exploited to manage many of the soil and seed borne plant pathogens. Quantitative estimation of Trichoderma species in soil is often difficult because of relatively rapid growth of other soil fungi on conventional agar media, so selective medium is required for isolating Trichoderma from soil as well as for estimating its survival in soil. Various media and different combinations have been tried for making dilution plates of Trichoderma from soil. This study was taken up to prepare the most effective selective medium which contained Magnesium sulphate (0.2 g), Potassium orthophosphate (0.9 g), Ammonium nitrate (1.0 g), Potassium chloride (0.15 g), Glucose (3.0 g), PCNB (0.1 g), Rose Bengal (0.1 g), Chloramphenicol (0.25 g), Agar (15 g), Metalaxyl (0.1 g) and Distilled water (1 lit).Keywords
Trichoderma-specific Medium, Trichoderma piluliferum
- Preliminary Screening of Neem Seed Oil against Schizophyllum commune - a Bamboo Degrading White Rot Fungus
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Indian Forester, Vol 135, No 11 (2009), Pagination: 1511-1514Abstract
Neem tree is widely recognized for its superior insecticidal, fungistatic and fungitoxic ability. Neem seed oil has been found effective against number of pathogenic fungi. The present study was conducted to evaluate the potential of the neem seed oil against bamboo degrading white rot fungus, Schizophyllum commune at various concentrations of 0.5, 1.0, 3.0 and 5.0 per cent. Results revealed that neem seed oil tested at 5% conc. level completely inhibited the fungal growth up to 100% whereas growth inhibition up to 92.86 and 67.62 per cent was observed at 3.0 and 1.0 per cent conc., respectively as compared to control where 100 per cent growth of the test fungus was observed. At lower concentration level of 0.5 per cent it showed lower anti-fungal activity (22.86 per cent growth inhibition).Keywords
Neem Seed Oil, White Rot Fungi, Bio-degradation, Schizophyllum commune- First Report of Meloidogyne arenaria on Coleus forskohlii in India
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Indian Forester, Vol 133, No 12 (2007), Pagination: 1709-1710Abstract
No abstract- Root Lesions and Discolouration in Chlorophytum borivillianum under Cultivation in Uttarakhand
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Indian Forester, Vol 133, No 1 (2007), Pagination: 126-128Abstract
No abstract- Wood Decaying Fungi of Teak from Madhya Pradesh, India
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Indian Forester, Vol 131, No 2 (2005), Pagination: 215-220Abstract
Seventeen wood decaying fungi occurring on teak in Madhya Pradesh are reported. Eleven of these fungi are reported as new records on teak and six are being reported as new on teak from Madhya Pradesh. There are two ischolar_main rot fungi on living trees of teak, Aurificarea shoreae and Ganoderma lucidum.- Wood Decaying Fungi of Boswellia serrata Stored Wood
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Indian Forester, Vol 131, No 8 (2005), Pagination: 1071-1075Abstract
Boswellia serrata wood is economically important for various purposes, but is non-resistant to fungal decay. In all, 14 wood decay fungi were collected on B. serrata stored wood, 12 of them being recorded for the first time from Madhya Pradesh. One brown rot fungus was also recorded.- Leaf and Twig Deformity in Neem Seedlings
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Indian Forester, Vol 130, No 3 (2004), Pagination: 343-345Abstract
No abstract- Gall Rust of Acacia modesta - a New Disease Record
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Indian Forester, Vol 130, No 4 (2004), Pagination: 461-462Abstract
No abstract- Biodegradation of Cellulose by Wood Decaying Fungi
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Indian Forester, Vol 130, No 6 (2004), Pagination: 805-810Abstract
The cellulolytic activity of some wood decaying fungi using filter paper cellulose was screened. All the species tested decomposed cellulose. Oxyporus ravidus and Funalia leonina exhibited maximum cellulolytic activity. While Pyrofomes tricolor was slow decomposer. The decomposition rate varied considerably with all the tested fungi. It was found that the initial pH value of the medium changed considerably after incubation period.- Biodegradation of Cellulose by Wood Decaying Fungi
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Indian Forester, Vol 130, No 7 (2004), Pagination: 805-810Abstract
The cellulolytic activity of some wood decaying fungi using filter paper cellulose was screened. All the species tested decomposed cellulose. Oxyporus ravidus and Funalia leonina exhibited maximum cellulolytic activity. While Pyrofomes tricolor was slow decomposer. The decomposition rate varied considerably with all the tested fungi. It was found that the initial pH value of the medium changed considerably after incubation period.- Amauroderma niger - a New Root-rot Pathogen of Dalbergia sissoo from India
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Indian Forester, Vol 130, No 9 (2004), Pagination: 1019-1023Abstract
A new ischolar_main-rot disease of Dalbergia sissoo caused by Amauroderma niger has been studied in detail. The pathogen has been described as a new record for India along with cultural characters. The pathogenicity has been established through artificial inoculation. The disease spreads from tree to tree through ischolar_main contact.- Mycoflora Associated with Different Seed Sources of Pinus wallichiana
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Indian Forester, Vol 130, No 12 (2004), Pagination: 1410-1415Abstract
Seed samples from different sources of Pinus wallichiana from Himachal Pradesh and Uttaranchal were evaluated for the occurrence of seed mycoflora. A total of 13 fungi with 22 fungal species were isolated of which species of Aspergillus and Penicillium were dominant. Seed source Kufri (H.P.) reported maximum number of mycoflora i.e. 9 fungi, while in Sawat and Kharapathar (H.P.) only one fungus was recorded namely Aspergillus niger.- Canker and Dieback of Acacia nilotica Seedlings in Nursery
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Indian Forester, Vol 130, No 1 (2004), Pagination: 95-100Abstract
An outbreak of a new canker and dieback disease was recorded in Acacia nilotica seedlings. The causal organism was identified as Fusarium lateritium f. sp. acaciae f. sp. nov. and perithecial stage belongs to Gibberella. The disease was controlled by three sprays of mixture of Carbendazim and Copper oxychloride and mixture of Carbendazim and Dithane M-45.- Set Rot of Dalbergia sissoo Rooted Cuttings
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Indian Forester, Vol 129, No 8 (2003), Pagination: 1021-1024Abstract
A new set rot disease of ischolar_mained cuttings of Dalbergia sissoo caused by Fusarium equiset has been described. The disease was found to be encouraged by excessive soil moisture as provided through channels around the raised beds. Soil drenching with 0.05% bavistin or benlate can control the disease when it is observed in beds. A preventive approach can be treating the ischolar_main suckers for about 10 minutes in 0.1% solution of bavistin or benlate before putting them in ischolar_maining medium.- A New Stem Canker Disease of Poplar in do on Valley
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Indian Forester, Vol 128, No 9 (2002), Pagination: 1033-1036Abstract
Three plantation sites with G.48 clone of Populus deltoides exhibited the occurrence of a new stem canker and sapwood stain disease in and around Doon valley. Ceratocystis sp. was identified as causal organism. Excessive water availability at the sites, insect vector and insolation injuries might have served as the infection courts for the disease.- Aflatoxin in Aegle marmelos (Linn.) Correa Ex Roxb
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Alternaria alternata, Actinomucor repens, Aspergillus flavus, A. niger, A. ochraceus, Fusarium verticillioides, F. solani, Penicillium citrinum and Rhizopus stolonifer were recorded. The frequency of mycotoxigenic fungi A. flavus, A. ochraceus and P. citrinum was high in the stored fruits of A. marmelos. Thirty six percent of the isolates of A. flavus were found to be toxigenic and the level of aflatoxin B1 ranged from 0.9 . 26.0 μg/ml. The concentration of aflatoxin B1 as natural contaminant was as high as 1.09 μg/g. The concentration of aflatoxin B1 was fairly high in samples of all sources during monsoon. The study demonstrates that A. marmelos fruits are very prone to aflatoxin contamination. There is a need to analyse the samples for their aflatoxin levcl before being consumed or marketed for preparation of indigenous medicines and other edible products.
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Indian Forester, Vol 128, No 11 (2002), Pagination: 1248-1253Abstract
Aegle marmelos fruits are widely used in preparation of indigenous/ayurvedic medicines and different edible products. The fruits collected from different pharmaceutical industries during summer, monsoon and winter seasons were analysed for fungal association and aflatoxin contamination. Nine fungi comprisingAlternaria alternata, Actinomucor repens, Aspergillus flavus, A. niger, A. ochraceus, Fusarium verticillioides, F. solani, Penicillium citrinum and Rhizopus stolonifer were recorded. The frequency of mycotoxigenic fungi A. flavus, A. ochraceus and P. citrinum was high in the stored fruits of A. marmelos. Thirty six percent of the isolates of A. flavus were found to be toxigenic and the level of aflatoxin B1 ranged from 0.9 . 26.0 μg/ml. The concentration of aflatoxin B1 as natural contaminant was as high as 1.09 μg/g. The concentration of aflatoxin B1 was fairly high in samples of all sources during monsoon. The study demonstrates that A. marmelos fruits are very prone to aflatoxin contamination. There is a need to analyse the samples for their aflatoxin levcl before being consumed or marketed for preparation of indigenous medicines and other edible products.
- Mycotoxins Infestation in Buchanania lanzan and Pinus gerardiana Seeds
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Indian Forester, Vol 128, No 4 (2002), Pagination: 421-431Abstract
A total of nine fungi namely Aspergillus flavus, Aspergillus flavus, A. niger, A ochraceus, Curvularia lunata, Fusarium moniliforme, F. pallidoroseum, F. solani, Penicillium citrinum and Rhizopus stolonifer were recorded from the edible kernels of Buchanania lanzan and Pinus gerardiana . A significant variation in pattern of mycoflora incidence was observed in terms of source and season. Fungal infestation in-both the substrates was highest during monsoon. Aflatoxins were the most common mycotoxins elaborated by different isolates of A. flavus obtained from B. lanzan and P.gerardiana . The amount of aflatoxins produced by the toxigenic isolates of A. flavus was in the range of 0.8-17.5 μg/ml in P.gerardiana and 0.65-13.2 μg/ml in B. lanzan . The percentage toxigenicity was comparatively lower in the isolates of other mycotoxigenic fungi. Aflatoxins were detected almost in all the samples analyzed for mycotoxin contamination.- Cause of Wind Throw of Chorisia speciosa Tree
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Indian Forester, Vol 136, No 7 (2010), Pagination: 995-996Abstract
No abstract- First Report of Septoria steviae on Stevia rebaudiana in India
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Indian Forester, Vol 132, No 3 (2006), Pagination: 385-385- Evaluation of Seed-Borne Fungi of Pinus roxburghii
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Indian Forester, Vol 132, No 11 (2006), Pagination: 1487-1492Abstract
Seeds collected from different sources of Pinus roxburghii from Himachal Pradesh, Uttaranchal, J&K and Nepal were evaluated for the occurrence of seed mycoflora. A total of twelve species belonging to nine fungi were isolated of which species of Aspergillus and Penicillium were dominant. Seed source Rajgarh Himachal Pradesh was found to be infested with maximum number of eight fungi, while in seed source of Uttarkashi (Uttaranchal) two fungi namely A. niger and A. flavus were recorded.- A New Twig Canker Disease of Eucalyptus camaldulensis from India
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Indian Forester, Vol 132, No 1 (2006), Pagination: 121-124Abstract
No abstract- A New Canker Disease of Machilus bombycina
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Indian Forester, Vol 132, No 12 (2006), Pagination: 1692-1694Abstract
No abstract- Assessment of Mortality in Acacia Nilotica in Haryana and Punjab in Relation to Biotic Stresses
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Indian Forester, Vol 138, No 3 (2012), Pagination: 238-242Abstract
Kikar (Acacia nilotica) is an important agro-forestry species found in plains of Northern India. From last few decades the decline of the species has been recorded and drying and dying of the trees is still going on. For the purpose of study, Punjab and Haryana, where wood of kikar (Acacia nilotica) is very useful were selected. Apart from the soil factors, average rainfall and global warming, impact of development activities and urbanization, like Road widening, expansion of cable network, blazing, lopping and injuries caused to the trees during operation are found deep major causes. Role of decay and ischolar_main rotting fungi, which harbor the exposed and injured portion of the tree has also been recorded.Keywords
Wood Rotting Fungi, Blazing, Ganoderma Root Rot, Mixed Stands- A New Method of Cultivation of Oyster Mushroom by Using Bamboo Culms
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Indian Forester, Vol 138, No 4 (2012), Pagination: 390-391Abstract
No abstract- Fungal Diversity in Himalayas : a Case Study for Conservation
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Indian Forester, Vol 125, No 2 (1999), Pagination: 149-158Abstract
To study the mycological wealth of Kumaun Himalayas, extensive surveys were conducted. The common edible, poisonous, ectomycorrhizal, fungicolous, rare, wood-decaying fungi and their commercial uses are discussed. In-situ and Ex-situ conservation of fungi for fungal diversity has also been suggested.- Biological Control of Damping- off and Wilt of Albizia lebbek Seedlings Using Plant Extracts
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Indian Forester, Vol 124, No 11 (1998), Pagination: 962-966Abstract
Biological control of damping-off and wilt disease of Albizia lebbek seedlings caused by Fusarium pallidoroseum has been worked out using some plant extracts. Leaf extract of Vitex negundo and plant extract of Cuscuta reflexa were found effective in inhibiting the conidial germination and mycelial growth of the pathogen and also in controlling the disease in field- Screening for Resistance against Set-Rot and Mortality in Poplar Cuttings
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Indian Forester, Vol 123, No 3 (1997), Pagination: 262-263Abstract
No abstract- Two New Wood-decaying Fungi from India
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Indian Forester, Vol 123, No 11 (1997), Pagination: 1001-1006Abstract
Two new wood-decaying fungi namely Hexagonia velutina and Microporus vernicipes belonging to the order Aphyllophorales are being reported for the first time from India.- Assessment of Damage Caused by Heart-rot in Teak in Madhya Pradesh
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Indian Forester, Vol 121, No 6 (1995), Pagination: 540-544Abstract
Damage caused by heart-rot in teak trees in natural forest has been estimated in Madhya Pradesh (Central India) where 38% to 88% trees were found affected by heart-rot. Loss assessment made in stored teak logs in the depots revealed that about 39% logs were having heart-rot entailing an average loss of about 11% in wood volume. This loss in wood volume has been calculated to the tune of nearly Rs. 200 million annually on the basis of market value of teak.- Loss a Asessment of Albirzia lebbek Seeds Due to Insect and Fungus Damage
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Indian Forester, Vol 119, No 11 (1993), Pagination: 932-935Abstract
Damage caused by two insect borers and a fungus to the seeds of Albizia lebbek was quantified. It was observed that by November end almost 50% seeds were damaged whereas by February end this percentage was increased upto 70%. The fungus infected seeds were more in number in Novemeber collections but in seed collections made in February the number of insect damaged seeds was more. The seeds were also noticed to be attacked together by both insect and fungus as well.- A New Post-emergence Damping-off Disease of Eucalyptus Seedlings
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Indian Forester, Vol 118, No 4 (1992), Pagination: 279-283Abstract
A new post-emergence damping-off disease of Eucalyptus hybrid caused by Verticillium sp. has been reported and studied in detail. It is an internally seed borne disease causing as much as 80% mortality, of seedlings. The disease can be controlled by seed dip treatment for 5 min. In 0.2% solution of Topsin-M or Bavistion.- Albizia procera Benth, a New Host forCercospora albiziae
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Indian Forester, Vol 114, No 1 (1988), Pagination: 46-47Abstract
Cercospora albiziae Kar&Mandal has been described on a new host Albizia procera Benth.- Efficacy Evaluation of Lantana camara for Bamboo Protection
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Indian Forester, Vol 136, No 9 (2010), Pagination: 1261-1270Abstract
Lantana is a rapidly growing obnoxious weed though it has potential of purposeful utilization. Preservation of bamboo during storage with the help of preservative of natural origin i.e. Lantana extract may result in saving of material. Extractives of aerial parts and ischolar_main components of L. camara were made in polar and non polar solvents i.e. petroleum ether, acetone, methanol and hot water were tested against Schizophyllum commune. the pioneer colonizer decay fungus and Polyparus areulanus. the secondary stage parasite of Bamboo in storage and use. Laboratory bioassay exhibited that methanolic extract of Lantana camara were highly fungicidal at very low concentrations.Keywords
Antifungal Activity. Lantana Camara, Schizophyllum Commune, Polyporus Arcularius- First Report of Leaf Spot Disease Caused by Botrytis cinerea on Piper longum
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Indian Forester, Vol 138, No 8 (2012), Pagination: 763-764Abstract
No abstract- A New Disease on Uraria picta and its Chemical Control
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Indian Forester, Vol 138, No 9 (2012), Pagination: 863-864Abstract
No abstract- A New Record of Leaf Spot Disease Caused by Fusarium Solani on Chlorophytum Tuberosum
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Indian Forester, Vol 139, No 5 (2013), Pagination: 469-470Abstract
No Abstract- Bark Canker and Die-back of Dalbergia Sissoo in Haryana and Punjab Caused by Lasiodiplodia Theobromae
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Affiliations
1 Forest Pathology Division, Forest Research Institute P.O. New Forest, Dehradun-248006
2 Forest Pathology Division, Forest Research Institute P.O. New Forest, Dehradun-248006, IN
1 Forest Pathology Division, Forest Research Institute P.O. New Forest, Dehradun-248006
2 Forest Pathology Division, Forest Research Institute P.O. New Forest, Dehradun-248006, IN
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Indian Forester, Vol 140, No 1 (2014), Pagination: 76-79Abstract
Lasiodiplodia theobromae, a fungal pathogen causing stem cankers on Dalbergia sissoo is reported in Haryana and Punjab for the first time. It might have reached to D. sissoo from fruit trees like pear and peaches grown in the area where this fungus was reported earlier. The disease exhibited symptoms like dark spots on the bark with splitting, cankers and oozing of sap. The affected trees showed die back to varying degree. Bavistin was found as the most effective fungicide inhibiting complete growth of the fungus at 100 ppm among other fungicides. Among biological control agents Trichoderma harzianum exhibited distinct antagonism, T. koningii exhibited mycoparasitism, T. viride showed inhibition at the line of contact whereas Aspergillus niger showed overlapping. Spraying with Bavistin or Trucop on stem, branches and twigs of affected trees is recommended for checking the further spread of the disease. Chaubatia paste can also be applied while pruning the trees to check entry of the pathogen.Keywords
Aspergillus Niger, Bavistin, Dalbergia Sissoo, Die Back, Efficacy, Lasiodiplodia Theobromae, Trichoderma Harzianum.References
- Abdollahzadeh, J., Javadi, A., Mohammadi Goltapeh, Zare, R. and Phillips, A.J.L. (2010). Phylogeny and morphology of four new species of Lasiodiplodia from Iran. Persoonia, 25:1-10.
- Bakshi, B.K. (1976). In: Forest Pathology – Principles and Practice. Forest Research Institute and Colleges, Dehradun, India. 400 p.
- Burgess, T. (2006). Three new Lasiodiplodia spp. from the tropics, recognized on DNA sequence comparisons and morphology. Mycologia, 98:423-435.
- Carpenter, J.B. (1942). A toximetric study of some eradicant fungicides. Phytopathology, 32: 845–856.
- Dhingra, O.D. and Sinclair, J.B. (1995). Biological control. In: Basic Plant Pathology Methods. CBS Publication and Distribution, Delhi, India. pp. 248-250.
- Khan S.H., Idrees, M., Muhammad F. and Zaidi, S. H. (2004). Incidence of shisham (D.sissoo Roxb.) decline and in vitro response of isolated fungus spp. to various fungicides. International Journal of Agriculture & Biology, 6:611-614.
- Mughal Owais (2007). Changa Manga Plantation. The Indian Railways Fan Club. http://www.irfca.org/articles/changa-manga-forestrailway. html.
- Ojha, S., Khatun, S., Chakraborty, M.R. and Chatterjee, N. C. (2010). Occurrence of die-back of Dalbergia sissoo in West Bengal and evaluation of fungicidal control of its pathogen. International Journal of Plant Protection, 3:17-19.
- Shah, M.D., Verma, K.S., Singh, K. and Kaur, R. (2010), Morphological, Pathological and molecular variability in Botryodiplodia theobromae. Genetics and Molecular Research, 9:1217- 1218.
- rd Sinclair, W.A., Lyon, H.H. and Johnson, W.T. (1993). In: Diseases of Trees and Shrubs (3 Ed.). Comstock Publishing Associates, Cornell University Press, Ithaca, USA. 575 p.
- Shukla, A.N. (2002). Motility of Dalbergia sissoo in India. Indian forester, 128:1209-1215.
- Skidmore, A.M. and Dickinson, C.H. (1976). Colony interactions and hyphal interference between Septoria nodorum and phylloplane fungi. Transactions British Mycological Society, 66:57–64.
- A Database of Diseases of Medicinal Plants in Uttarakhand
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Affiliations
1 Forest Pathology Division, Forest Research Institute, Dehradun, IN
1 Forest Pathology Division, Forest Research Institute, Dehradun, IN
Source
Indian Forester, Vol 140, No 5 (2014), Pagination: 518-527Abstract
Medicinal plants play an important role in the development of potent therapeutic agents. Now-a-days large scale and commercialized cultivation has increased the number of diseases and their severity in medicinal plants. Among the bioagents fungal phytopathogens are found to cause certain foliar diseases which eventually play an important role in affecting overall health of the medicinal plants and their products. In the present study information about diseases of medicinal plants of Uttarakhand has been compiled to prepare a database.Keywords
Medicinal Plants, Diseases, Fungi, Uttarakhand- First Report of Verticillium Tenuissimum from India
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Affiliations
1 Forest Pathology Division, Forest Research Institute, Dehradun, Uttarakhand, IN
1 Forest Pathology Division, Forest Research Institute, Dehradun, Uttarakhand, IN
Source
Indian Forester, Vol 140, No 5 (2014), Pagination: 547-548Abstract
No abstract- A New Report of Alternaria Alternata Causing Leaf Spot on Chlorophytum Tuberosum
Abstract Views :192 |
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Authors
Affiliations
1 Forest Pathology Division, Forest Research Institute, Dehradun (Uttarakhand), IN
1 Forest Pathology Division, Forest Research Institute, Dehradun (Uttarakhand), IN
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Indian Forester, Vol 140, No 6 (2014), Pagination: 624-625Abstract
No abstract- In Vitro Antagonism Of Rhizoctonia Solani by Trichoderma Species
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Authors
Affiliations
1 Forest Pathology Division, Forest Research Institute, Dehradun, Uttarakhand-248 006, IN
2 Lovely Professional University, Phagwara, Punjab, IN
1 Forest Pathology Division, Forest Research Institute, Dehradun, Uttarakhand-248 006, IN
2 Lovely Professional University, Phagwara, Punjab, IN
Source
Indian Forester, Vol 140, No 11 (2014), Pagination: 1092-1094Abstract
In present study, the efficacy of Trichoderma harzianum and four isolates of Trichoderma longibrachiatum were evaluated in laboratory conditions for the management of Rhizoctonia solani. The results revealed that the selected Trichoderma species has restricted 10.6-48.8% mycelial growth in dual culture and 2.0-20.0% by volatile metabolites.Keywords
Biocontrol, Rhizoctonia Solani, Trichoderma Harzianum And Trichoderma Longibrachiatum.- Screening of Pine Needle's Extractives Against Wood and Bamboo Decaying Fungi
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Authors
Affiliations
1 Wood Preservation Discipline, Forest Products Division, Forest Research Institute, Dehradun, Uttarakhand, IN
2 Forest Pathology Division, Forest Research Institute, Dehradun, Uttarakhand, IN
1 Wood Preservation Discipline, Forest Products Division, Forest Research Institute, Dehradun, Uttarakhand, IN
2 Forest Pathology Division, Forest Research Institute, Dehradun, Uttarakhand, IN
Source
Indian Forester, Vol 141, No 3 (2015), Pagination: 319-323Abstract
Extractives from the pine needles (Pinus roxburghii. Sarg.) are rich in resin and essential oil and are effective in protecting wood and bamboo products. This study was conducted to evaluate the efficacy of pine needle's extractives at different concentrations against white rot (Trametes versicolor L. ex Fries.), brown rot (Oligoporus placentus. Murr.) and some common bamboo decaying fungi-Xylaria acuminata Hill. ex Schrank. and Hypochnicium punctulatum (Cooke) J. Erikss. by malt-agar bioassay with an objective to screen its activity as preservative. Results revealed an effectiveness of pine needle's extractivein inhibiting the growth of the decaying fungi completely at low concentration.Keywords
Extractives, Resin, Essential Oil, Preservative.- Effect of Repeated Application of Chlorpyrifos on Fungal Population of Pine Forest Soil
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Authors
Affiliations
1 Forest Pathology Division, Forest Research Institute, Dehradun, Uttarakhand, IN
2 G.B. Pant Institute of Himalayan, Environment and Development, Kosi-Katarmal, Almora, Uttarakhand, IN
3 Department of Biotechnology, Bhimtal Campus, Bhimtal, Kumaun University, Nainital, Uttarakhand, IN
1 Forest Pathology Division, Forest Research Institute, Dehradun, Uttarakhand, IN
2 G.B. Pant Institute of Himalayan, Environment and Development, Kosi-Katarmal, Almora, Uttarakhand, IN
3 Department of Biotechnology, Bhimtal Campus, Bhimtal, Kumaun University, Nainital, Uttarakhand, IN
Source
Indian Forester, Vol 142, No 3 (2016), Pagination: 253-259Abstract
Fungi from the natural source can be exploited as an effective tool for biodegradation of toxic xenobiotics. The present investigation has been taken up to study the effect of chlorpyrifos on fungal population and isolate most pesticide tolerant fungal species from pine forest soil in three different culture media (NCM, NSM and NPM). Total thirty two fungal species belonging to eleven genera were isolated from pine forest soil in which Cladosporium cladosporioides, Paecilomyces lilacinus, Penicillium decumbens, P. frequentans, Phoma fimeti, Trichoderma atroviride, T. harzianum and T. viride have ability to tolerate higher concentrations of chlorpyrifos. Maximum CFU count was recorded in NPM in which chlorpyrifos was given as a sole source of phosphorus as compared to other tested culture media. When chlorpyrifos applied in soil at lower doses (1-2 ppm), total CFU count increased between 12.08-13.42X103 CFU g soil-1 . Lower concentrations of chlorpyrifos caused a stimulatory effect on fungal population as they probably utilized it as energy or other nutrient source. However, higher concentrations (5-500 ppm) of chlorpyrifos inhibited the total fungal population.Keywords
Chlorpyrifos, Fungal Population, Pine Forest, Soil.- First Report of Botryosphaeria dothidea Bark Split and Canker Disease in Eucalyptus Clone No. 413 from Haryana, India
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Authors
Affiliations
1 Forest Pathology Division, Forest Research Institute, Dehradun (Uttarakhand), IN
1 Forest Pathology Division, Forest Research Institute, Dehradun (Uttarakhand), IN