The issue of freshwater species being threatened by invasion has become central in
conservation biology because inland waters exhibit the highest species richness per unit …

Junglerice is one of the most serious grass weeds of rice in the tropics. Experiments were
conducted in the laboratory and screenhouse to determine the influence of environmental …

Background and aims Woody perennials can be difficult to establish on harsh soils in arid
and semi-arid regions. Historically, technological advances have focussed on methods to …

Cyperus difformis, Cyperus iria and Fimbristylis miliacea are troublesome annual sedges of
rice grown in many countries. Laboratory and screenhouse experiments were conducted to …

Chinese sprangletop is a grass weed that has the ability to grow in both flooded and upland
conditions, which makes it a widespread and abundant weed in rice and many other crops …

Southern and India crabgrass are important grass weeds of rice in many tropical countries.
Environmental factors influenced seed germination and seedling emergence of these …

This study was conducted in the laboratory and screenhouse to determine the effects of
temperature, light, osmotic stress, salt stress, burial depth, use of crop residues as mulch …

Spiny and slender amaranth are troublesome Amaranthaceae species of direct-seeded rice
and other upland crops in many Asian countries. Seed germination and seedling …

Two exotic invasive macrophyte species (the emergent Urochloa subquadripara-tenner-
grass-and the submersed Hydrilla verticillata-hydrilla) were investigated in a large sub …

Weeds compete with crops for soil moisture, along with other resources, which can impact
the germination, growth, and seed production of weeds; however, this impact has not been …