Gajendra Singh , H. B. Naithani , G. S. Rawat

Abstract

Systematic study on the vascular plants was conducted in Mandal Forest, located in the outer fringes of Kedarnath Wildlife Sanctuary, Western Himalaya. 575 species of angiosperms (364 genera and 101 families), 61 species of Ptridophytes (33 genera 21 families) and 4 species of Gymnosperms (3 genera 4 species) were recorded within about 10 km² between 1500 m to 2900 m altitude amsl. The dominant families were: Poaceae (57), Asteraceae (44), Orchidaceae (36), Rosaceae (33), Lamiaceae (29), Cyperaceae (16) and Polygonaceae (16) in angiosperms and Polypodiaceae and Dryopteridaceae among the ferns. The study area forms only 0.28% of the total area of the erstwhile Chamoli District yet it harbours 28.44% of angiospermic flora, which makes it one of the interesting sites for the plant diversity in the District.

Keywords

Flora, Mandal Forest, Garhwal Himalaya, Uttarakhand

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K. P. Singh , Gajendra Singh

Abstract

The number of insect species visiting the mango flowers during blooming stage revealed that the maximum number of insects belonged to the families Syrphidae , Muscidae and Calliphoridae of the order Diptera while the minimum number was recorded in the order Lepidoptera.

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Deepti Verma , Gajendra Singh , Nirmal Ram , Manisha Thapliyal

Abstract

Carpinus viminea, the species of moist temperate forest of Western Himalaya is facing the problem of poor regeneration in Mandal forest of Kedarnath Forest Division, Uttarakhand. In this context, seed study of this species was performed to observe the germination behavior of its seeds at different temperature condition. Collected seeds were stored at three different temperatures (5°C, 15°C, room temperature) and their germination behavior was observed. The 5°C temperature was found comparatively better storage temperature for seeds of Carpinus viminea as higher number of seeds retained viability after one year of storage. Seeds lost the viability completely after the five month of storage at room temperature, at 15°C only 6.66±2.66 % of seeds retained viability after one year, while at 5°C, 9.33±2.66 % germination of seeds of Carpinus viminea was obtained. It was concluded that, if the initial germinability of Carpinus viminea seeds is high then they can be storedfor a year at 5°C with steady decline in germination.

Keywords

Carpinus viminea, Germination Behaviour, Temperature

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Gajendra Singh , Ishwari Datt Rai , G. S. Rawat , G. S. Goraya

Abstract

No Abstract

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