Manisha Thapliyal

Abstract

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Modhumita Ghosh , Manisha Thapliyal , D. Thangamani , R. Yasodha

Abstract

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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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Thounaojam Bidya Chanu ¹, Manisha Thapliyal ¹

Affiliations
1 Forest Tree Seed Laboratory, Silviculture Division, Forest Research Institute, Dehradun, Uttarakhand, IN

Abstract

The present study was conducted at Forest Tree Seed Laboratory, Silviculture Division, Forest Research Institute, Dehradun (Uttarakhand) during 2013 on the seeds of Toona ciliata (Cedrela toona) known as Toon, Red Cedar, Moulmein Cedar. The data were recorded for purity (%), seed weight (g), moisture content of the seed (%), seed viability, seed vigour, germination (%), ischolar_main- shoot lengths (cm) for quality evaluation of the seeds of Toona ciliata . The seeds of Toona ciliata was found to have a very high physical purity percentage i.e. 93.28 %. The average moisture content of the seeds was found to be 18.65% and weight of 1000 seeds was found to be 2.1 g. Due to low viability period, it is recommended to sow the seeds soon after collection.The seeds germinated was maximum in ambient temperature (55 %) followed by 25°C and 30°C. The mean ischolar_main length of the seedlings was approximately same in room temperature condition and 25°C temperature condition (0.6cm) followed by 30°C temperature (0.4 cm) but the mean shoot length of the seedlings was maximum at 25°C followed by 30°C and ambient temperature.

Keywords

Toona ciliata, Purity Percentage, Viability, Germination Percentage.

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