Changes in Khasi pine (Pinus kesiyaRoyle ex Gordon) tree stands affected by Dimorphic EgretEgretta dimorphacolony at Madagascar

2012 ◽  
Vol 51 (2) ◽  
pp. 319-324 ◽  
Author(s):  
Katarzyna Żółkoś ◽  
Włodzimierz Meissner ◽  
Tomasz S. Olszewski ◽  
Magdalena Remisiewicz
Keyword(s):  
Khasi Pine

scholarly journals Habitat Preference of Auriscalpium vulgare Gray Inhabiting Slash and Burn Affected Khasi Pine Cones of India

Our Nature ◽  
1970 ◽  
Vol 7 (1) ◽  
pp. 32-38 ◽  
Author(s):  
P. Das ◽  
A. Chettri ◽  
H. Kayang
Keyword(s):  
Coarse Woody Debris ◽  
Woody Debris ◽  
Northeast India ◽  
Land Use Pattern ◽  
Slash And Burn ◽  
Pine Cone ◽  
Predominant Form ◽  
The Mean ◽  
Pine Cones ◽  
Khasi Pine

Slash and burn shifting cultivation or jhum is the predominant form of land use pattern in the hilly terain of northeast India. Impact of jhum practice on Auriscalpium vulgare growing on the female Khasi pine cone was studied. The period of mature cone falling proceeds after the slash and burn activity, hence only 1:3 escapes the burning practice. During the assessment, burned and unburned cones were assigned to coarse woody debris (CWD) and classified into three girth classes: small (≤10 cm), intermediate (>10 to ≤13 cm) and large (>13 cm). The mean number of basidiocarps in burned cones was significantly higher than unburned ones (p<0.00001). A significant linear relationship between girth size of burned cones and number of basidiocarps was observed (r = 0.736; p<0.01). The study reveals that maximum number of fungi thrives on the burned cones (anthropogenically disturbed) of pine and girth size affects the number of basidiocarp. Key words: burned and unburned pine cones; coarse woody debris (CWD); Khasi pine; slash and burnDOI: 10.3126/on.v7i1.2551Our Nature (2009) 7:32-38

Genetic Diversity Assessment of Khasi pine (Pinus kesiya Royle ex. Gordon) from Meghalaya Using Chloroplast Microsatellite Markers

2017 ◽  
Vol 40 (1) ◽  
pp. 15-18
Author(s):  
Kirti Chamling Rai ◽  
◽  
H.S. Ginwal ◽  
Romeet Saha ◽  
◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Genetic ◽  
Management Strategies ◽  
Northeast India ◽  
Chloroplast Microsatellite ◽  
Analysis Of Molecular Variance ◽  
Pinus Kesiya ◽  
Diversity Assessment ◽  
Khasi Pine ◽  
Single Cluster

The study conducted on four populations of P. kesiya using cpSSR markers reported that the overall genetic diversity was higher (HT=0.547) as compared to within population genetic diversity (HS=0.285). Gene flow estimate was found to be relatively low (Nm=0.543). The analysis of molecular variance (AMOVA) revealed 51.09% of the variation to be within population and 48.91% of the variation to be among populations. UPGMA clustering segregated the populations into a single cluster and the identity matrix showed that the population from Jowai was genetically distinct and requires special attention. The study highlighted sufficient levels of genetic variation among the populations of this region which should be conserved. Information obtained from this study can be useful in setting up proper management strategies for the conservation of P. kesiya forest in Northeast India.

Distribution of ectomycorrhizal fungi in pure stands of different age groups of Pinus kesiya

1997 ◽  
Vol 43 (1) ◽  
pp. 85-91 ◽  
Author(s):  
C. S. Rao ◽  
G. D. Sharma ◽  
A. K. Shukla
Keyword(s):  
Soil Moisture ◽  
Mycorrhizal Fungi ◽  
Diversity Index ◽  
Age Groups ◽  
Fungal Species ◽  
Available Phosphorus ◽  
Mycorrhizal Infection ◽  
Pinus Kesiya ◽  
Khasi Pine ◽  
Positive Significant Correlation

A study on ectomycorrhizae and mycorrhizal fungi of Pinus kesiya (Royle ex Gordon) in 2-, 4-, 11-, and 17-year-old pine plantations was carried out. Thirteen mycorrhizal fungi forming ectomycorrhiza with khasi pine were observed. Diversity index of mycorrhizal fungi was directly proportional to the age of the pine stand. The maximum number of fungal species was observed in the oldest stand. Evenness of the sheathing mycorrhizal fungi was also increased with the increase in age of pine. The sporocarps of Boletus luteus, Scleroderma aurantium, Tricholoma saponaceum, and Hygrophorus limacinus were observed as an early colonizing fungi with Pinus kesiya. However, in older plantations Russula lepida and Amanita phalloides were observed as late stage fungi. Boletus luteus and Scleroderma aurantium were dominant species in all the pine stands. Sporocarps of mycorrhizal fungi were maximum during the rainy season and minimum during the winter months. A positive correlation was observed between the number of ectomycorrhizae and mycorrhizal infection with soil moisture, soil pH, total nitrogen, available phosphorus, exchangeable potassium, and organic matter of the soil. The number of sporocarps exhibited a positive significant correlation with soil moisture content in all the plantations.Key words: ectomycorrhiza, fungi, physicochemical characters, Pinus kesiya.

Study of Khasi Pine (Pinus kesiyaRoyle) Twig Oil in Vietnam

2014 ◽  
Vol 17 (2) ◽  
pp. 212-218 ◽  
Author(s):  
Le Quynh Nhi ◽  
Le Ngoc Thach
Keyword(s):  
Khasi Pine
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