Invasive alien weed species; are non-indigenous species that have adverse economic, environment and ecological effects on habitats where they have been introduced, either accidentally or deliberately, outside their normal past or present distribution. The objective of this study was to determine...

In May 2015, a leaf curl disease was observed on tomato and Senna tora plants growing in District Ballia, Eastern Uttar Pradesh, India. The symptoms in S. tora plants consisted of leaf curl disease. The presence of whiteflies (Bemisia tabaci), the vector of begomoviruses, was also observed on the...

According to the field survey of alien invasive plants of Jinziling, there were 23 kinds of alien invasive plants in the scenic spot. Species with the comprehensive dominance degree higher than 10% were as follows: six kinds of Asteraceae: Bidens pilosa, Aster subulatus, Ageratum conyzoides, ...

Using the quadrat method, the species diversity characteristic was comparatively studied between native species and exotic species in the 6 residential green areas in Sanya city. The results showed that there were 48 plant species belonging to 22 families and 40 genus in investigated areas,...

Kawardha district was surveyed to know the present weed flora and invasion of any re-surging or alien weed species in the region. 4 blocks and 66 villages during kharif and 3 blocks and 55 villages during rabi seasons were covered in 2 years during 20092010 in Kawardha district. Survey was done in...

Survey of 4 blocks and 170 villages was conducted in Raigarh district in kharif season during the year 2009-10, to know the pattern of distribution of weeds along with the identification of 5 alien weeds. Survey was done in cropped area, non-cropped area and garbage area. In Raigarh district,...

Survey of Mahasamund district was conducted to know the pattern of distribution of weeds along with the identification of 5 alien weeds. In kharif and rabi season 4 blocks and 241 villages covered in Mahasammud during the year 2008-10. In Mahasammud district, Cyperus rotundus in rice and Cynodon...

Raipur district was surveyed to know the present weed flora and invasion of any re-surging or alien weed species in the region. 10 blocks and 497 villages in Raipur district were covered during 2008-10 in kharif and rabi seasons. Survey was done in cropped area, non-cropped area and garbage area. ...

The phytotoxicity of ethanol extracts, of the organic phase and major compound (cinnamic acid) obtained from the fruit pulp of Crescentia cujete L., were evaluated for their potential to inhibit seed germination, hypocotyl development and radicle development of the invasive weeds Senna obtusifolia...

In the present study, we conducted a tree planting evaluation in four squares of Tijuca, Rio de Janeiro, where we analyzed the species richness, diameter at breast height (DBH) and height of subjects, and we also performed a diagnosis of plant health. We found 310 individuals, distributed in 36...