In India, knowledge of the geographic distribution Trichosanthes species is inadequate, largely due to lack revisionary work. Based on field observations, collected specimens and data from herbarium specimens, this paper describes a new taxon – T. dunniana subsp. clarkei Sikkim northern hill districts West Bengal in northeastern India; presents first confirmed records three southeast Asian taxa...

Taxol® (generic name – Paclitaxel), the most promising chemotherapeuticagent was isolated from bark of different Taxus sp. As species arethreatened with extinction (endangered in Himalaya), thus it is imperativeto develop alternate and sustainable method for commercialization scaleup production paclitaxel. In this respect, physical chemical parametersare effective important key points active co...

(1) The box tree moth (BTM), Cydalima perspectalis Walker, represents one of the recent examples exotic insect pests native to Asia accidentally introduced in Europe by nursery trade. In Europe, BTM develops on Buxus sempervirens L., causing significant damage ornamental and natural plants. (2) Basic aspects biology were investigated at three sites NW Alps, where B. occurs rocky slopes, forming...

ABSTRACT This paper deals with the studies on biology and development of bark beetle Ips stebbingi Strohmeyer, 1908 (Coleoptera: Curculionidae: Scolytinae), a pest Himalayan blue pine Pinus wallichiana A.B.Jacks. in Kashmir Himalaya. is an aggressive notorious one, but little known its biology. overwinters adult stage under host trees P. . After emergence, adults fly to suitable undergo maturat...