Competitive approach of invasive cocklebur (Xanthium strumarium) with native weed species diversity in Northeast China

Abstract

AbstractXanthium strumarium is yearly weed local to North America and is presently an obtrusive species. The intrusive weed can contend with local decent variety may turn into a hazardous weed for the agrarian profitability and rangeland biological systems. The present examination researched the challenge of intrusive and local weed populaces inside two straight out variables in matched quadratic rings (treatment/invasive with control/non-invasive). The present investigation was led at four unique areas of northeast China to discover competition of Xanthium strumarium on 40 paired matched vegetations in same condition and living space conditions. The number of species (NOS) occurred in quadratic ring; abundance (A); Simpsons Diversity Index (SDI); Margalef’s Richness Index (MRI) compared between invasive and non-invasive quadrates by t-test was recorded significant (P<0.05) suggestion of competitions between plant communities. The abundance in communities decreased significantly in invasive compared to non-invasive quadrate gave an indication about low productivity of plant species due to Xanthium strumarium. Rarefaction bend with respect to coefficient of determination (R2) explored in the overviewed network (0.86) proposed that there is a solid positive polynomial connection between various weed families. Greatest difference list (87.06%) recorded in Huailai province followed by Yangyuan (44.43%), Zhangjiakou (40.13%) and at Fushun (29.02%). Significant (P<0.05) maximum global R demonstrated high species decent variety was found in Huailai area (0.943) trailed by Zhangjiakou. Significant (P<0.05) density of native weed was recorded in non-invasive quadrate which was comparable to the invasive quadrate. Finally invasive Xanthium strumarium compete with native weeds diversity created significant threat to the natural diversity. Most extreme thickness of weed species gave cautioning that the predominant edaphic and natural states of the uneven regions are profoundly favorable for the dispersion and development of the weed in future.