2002
DOI: 10.1046/j.1365-3180.2002.00265.x
|View full text |Cite
|
Sign up to set email alerts
|

The impact of cropping on weed species composition in rice after fallow across a hydrological gradient in west Africa

Abstract: In a 5-year experiment, weed species composition in rice was recorded at different positions along the toposequence, from the rain-fed upland to the irrigated valley bottom. A total of 107 species was recorded, 70 of which occurred in more than 1% of the total of 465 samples. Canonical correspondence analysis was used to explore the changes in weed flora over time in the different ricegrowing environments. There were substantial differences in the composition of weed flora between the differing environments an… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
3
1

Citation Types

1
23
0

Year Published

2008
2008
2017
2017

Publication Types

Select...
8
2

Relationship

0
10

Authors

Journals

citations
Cited by 36 publications
(24 citation statements)
references
References 10 publications
1
23
0
Order By: Relevance
“…heterophylla showed the highest RF. Those dryland weed species were observed previously on the fringes of similar inland‐valley rice systems in the forest–savanna transition zone in the Ivory Coast (Johnson & Kent ). Any cause that limits the opportunity to suppress weeds through flooding during the early crop stages could result in a shift of the weed communities from a community that is dominated by species adapted to flooded conditions to a community of species adapted to hydromorphic or upland conditions, such as A. conyzoides , Altern.…”
Section: Discussionsupporting
confidence: 78%
“…heterophylla showed the highest RF. Those dryland weed species were observed previously on the fringes of similar inland‐valley rice systems in the forest–savanna transition zone in the Ivory Coast (Johnson & Kent ). Any cause that limits the opportunity to suppress weeds through flooding during the early crop stages could result in a shift of the weed communities from a community that is dominated by species adapted to flooded conditions to a community of species adapted to hydromorphic or upland conditions, such as A. conyzoides , Altern.…”
Section: Discussionsupporting
confidence: 78%
“…Consequently, the maintenance of biodiversity in agro-ecosystems is considered to be of great importance in modern agriculture, based on economic, ecological and social parameters (Firbank et al, 2008). This kind of integrated weed management requires a detailed knowledge of the weed species (Johnson and Kent, 2002;Karar et al, 2005;Monteiro et al, 2012) and becomes relevant since it is one of the key steps for the development of sustainable weed management models.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, the detailed knowledge of natural vegetation is particularly important as regards the definition and, later, implementation of an integrated control of weeds, focused on the sustainability of the agricultural systems, compatible with the protection of natural resources and biodiversity of agroecosystems (Fried et al, 2008). Knowledge of the floristic composition of natural vegetation and ecological factors involved in its diversity and variability is one of the key steps for the development of sustainable control models (Johnson & Kent, 2002;Karar et al, 2005;Monteiro et al, 2012).…”
Section: Introductionmentioning
confidence: 99%