Entries by bit_admin

Morphological and molecular characterization of Colletotrichum capsici

AUTHOR: Kinlay Tshering ABSTRACTS The taxonomy and diversity of Colletotrichum capsici was validated by morphological characters (conidia shape & size, colony characteristics, appressoria size) and molecular analysis using ISSR (Intersimple sequence repeats) markers with the objectives to adopt ISSR technique to assess the level of genetic variation among C. capsici isolates, to determine if the […]

Fodder quality of in Bhutanese Environments

AUTHOR: Kelzang Wangchuk , Karma Dorji ,Ugyen Lhendup and Tsering Gyeltsen ABSTRACT Ficus auriculat, a species of fig tree is widely used to augment winter fodder shortage in subtropical environments. Very limited studies were carried out to establish its nutritional qualities in Bhutanese environments. A study was conducted in 2004 with the objectives to quantify […]

Current Status of the Odonata of Bhutan: A Checklist with Four New Records

AUTHOR: Amit Mitra ABSTRACT Specimens of dragonflies were collected from Trashiyangtse and Pemagatshel districts of eastern Bhutan during the months of July and September 2003. One specimen of Neurothemis fulvia was collected on 5thSeptember2004 SamdrupJongkhar district. Altogether 61 specimens of Odonata belonging to 16 species and subspecies under 13 genera and four families were listed […]

Physico-Chemical Assessment of Water in Diverse Lentic Habitats of Bhutan

AUTHOR: Shivaraj Bhattarai ABSTRACT Water samples collected from diverse habitats in Bhutan, mainly from the eastern Dzongkhags, were analysed for basic water qualities during the period from February 2000 to January 2002. Most of the sampled water bodies depicted their sub-tropical nature with their waters ranging from typically acidic to circum-neutral to slightly alkaline and […]

Existing Resources, Practices and Potentials of the Arecanut within the East-Central Region (Sarpang Dzongkhag)

AUTHOR: Ms. Pema Yuden, Mr. Sangay Dorji ABSTRACT Arecanut (Areca catechu L) commonly known as betelnut is a tropical palm cultivated for its nuts. It is cultivated in the lower humid sub-tropical areas (below 600m) of Bhutan. A survey conducted in Sarpang Dzongkhag found that the crop was introduced by the farmers themselves about 70 years […]

Rainfed Lowland Rice Cultivation in Bhutan: A Survey Report

AUTHOR: Karma, Mahesh Ghimiray ABSTRACT This study reports on the rice cultivation practices under rainfed environment in Bhutan based on a rapid farm survey conducted in 2003. Although rainfed lowland rice system accounts for major portion of rice growing area, it contributes least in terms of production due to uncertainty of irrigation water, soil fertility […]

Minor Cereals and Food Security in the Marginal Areas of Bhutan

AUTHOR: Wangda Dukpa ABSTRACT A random household survey was conducted in 2002-2003 in seven districts with a sample size of 10%, covering 250 households, to document the farming practices of minor cereals (buckwheat, barley and finger millet), their roles in household food security and to assess future potential. The study revealed that barley and buckwheat […]

Incidence and Distribution of the Apple Fruit Borer Argyresthia Conjugella Zeller (Yponomeutidae: Lepidoptera) and Its Chemical Control in Western Bhutan.

AUTHOR: Chencho Dorji, Phuntsho Loday ABSTRACT The apple fruit borer Argyresthia conjugella Zeller (Yponomeutidae:Lepidoptera) is found to be a serious pest of apple (Malus domestica Borkh.) in the high altitude apple growing areas in Bhutan. More than 80% of fruits can be infested in a particular season. Adult moths were caught by first week of […]

Assessment of Calf Mortality in Trongsa and Bumthang

AUTHOR: R.B Gurung ABSTRACT Study on calf mortality was conducted in two districts of Bumthang and Trongsa covering nine blocks and 191 households. Data was collected using semistructured questionnaire. Results revealed that the average calf mortality rates were 28.5% and 38.5% in Bumthang and Trongsa, respectively with mean of 33.5%±14.2. Maximum calf mortality was recorded […]