Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract Full Text

Checklist of noxious weeds of district Mansehra, Pakistan.

Abstract

A study was conducted to investigate weed flora of District Mansehra, Hazara, Pakistan. Studies revealed that 63 weed species belonging to 32 families are common in four major crops viz. wheat, maize, rice, tobacco and vegetables. In total 23 weeds were perennial, 37 weeds were annual and three weeds were parasitic. Two species Cuscuta reflexa and Viscum album were found as major parasitic weeds on trees Viscum album has been damaging Juglans regia (Walnut tree) badly while Cuscuta reflexa is growing on all type of bushes and trees. In tobacco crop productivity is badly affected by the attack of a parasitic plant Orobanche cernua. In wheat crop five weeds Avena fatua, Cyperus rotundus, Stellaria media, Taraxacum officinale and Tulipa stellata were found major weeds affecting wheat production. In maize crop Commelina benghalensis, Convolvulus arvensis, Digitaria sp., and Ipomoea albawere recorded as highly problematic weeds. Highest numbers of weeds 12 each were belonging to family Asteraceae and Poaceae. Many weeds are ethnobotanically important and utilized by the local community. Weed species like Stellaria media, Taraxacum officinale, Malva neglecta, and Medicago denticulata are used as vegetables. Fumaria indica, Cannabis sativa, and Chenopodium album are utilized as ethnomedecines to cure different ailments. Avena fatua is used as fodder.