Continuous cropping systems and weed selection

Murphy, Clare E.; Lemerle, D.

doi:10.1007/s10681-006-5941-9

Cited by 82 publications

(65 citation statements)

References 49 publications

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“…Thought confirmed by Murphy and Lemerle (2006) the presence of weeds in a cultivated plot and depends on the action of agronomic practices and environmental factors. Supplemented by Koocheki (2009) showed that the inversion of the weed flora gold rotation beet and winter wheat.…”

Section: Discussionmentioning

confidence: 98%

Adventitious Flora and its Behavior in Common Bean (Phaseolus vulgaris L.) Cultivated under Different Weed Management Methods in the Upper Katanga, DR Congo

Lukangila¹,

Kasu-Bandi²,

Kabemba³

et al. 2015

American J. of Plant Nutrition and Fertilization Technology

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The search for increased productivity of common bean in Upper Katanga by controlling weed justified the study conducted on the site of Institut National Pour l'Etude et la Recherche Agronomiques (INERA, Kipopo) to Kaniameshi during the 2014-2015 cultural season. The test was carried according to a split-plot arrangement with three repetitions. Varieties constituted the main factor CODMLB001, RCB262, HM21-7 and CODMLB007 while in manual weeding; 30 and 60 DAS, unweeding and chemical weeding (3 L haG 1 Paraquat+3 L haG 1 Atrazine) spread 10 days before seedling were the secondary factor. The results showed a positive varietal effect of CODMLB007 on the yield (0.43 t haG 1 ). Managements modes strongly influenced all the observed parameters, but the high seed yield (0.55 t haG 1 ) was performed in row plots manually, against a slight gap (0.51 t haG 1 ) to the chemically treated plots and finally a large gap (0.04 t haG 1 ) for unweeded plots. No any interaction was observed for yield after combination of two factors. Furthermore, the adventitious flora was dominated by the Cyperus rotundus species common to all plots with a max relative frequency (12). This could be explained by biology, the action of management methods and the long monoculture, however, the active matter were applied had a short persistence period in soil. Manual weeding induced awakening dormant buds or by splitting tubers or suppression of stripping, C. rotundus competitor had a high impact opposite the culture and other weeds. Therefore, it would be interesting to advocate a selective post-emergence treatment catching up or combine manual weeding treatment before seedling.Key words: Weeds, common bean, frequency, parameters, interactions INTRODUCTIONCommon bean production in South Katanga remains unsatisfactory although only two entities Moba and Lubudi provide large amounts to the province. Therefore, it is necessary to quantify the yield by 800-1000 kg haG 1 for small producers, against 2500 kg haG 1 for large producers with certified seed (Kanyenga-Lubobo et al., 2012). 85Am. J. Plant Nutr. Fert. Technol., 5 (3): 85-95, 2015 In crop production, Toure et al. (2008) point out that weeds are a significant constraint sometimes pushing farmers to a band on their fields, especially in developing countries where pressure from weeds still growing. It suits to indicate that for the same degree of infestation, unlike developed countries, the losses are important in developing countries. Mergeai (2010) revealed the part of the natural environment promoting excellence by creating new ecological niches. Furthermore, Bassene et al. (2012) added that small peasants knowledge of weed biology does not allow them to define the technical itinerary better.Generally, weeds in the case of a bad control lend themselves more to competition compared to cultivated plants in rivaling their space, light, humidity, nutrients and carbon dioxide resulting in losses of yields and difficulty of the harvesting operations even see the depreciation of the useful p...

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Section: Discussionmentioning

confidence: 98%

Adventitious Flora and its Behavior in Common Bean (Phaseolus vulgaris L.) Cultivated under Different Weed Management Methods in the Upper Katanga, DR Congo

Lukangila¹,

Kasu-Bandi²,

Kabemba³

et al. 2015

American J. of Plant Nutrition and Fertilization Technology

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“…Fertilization affects not only the growth of crop but also on weed population [14] [15] [16]. Previous studies have been demonstrated that fertilization can significantly affect weed community composition, density and diversity [17] [18] [19].…”

Section: N N Than Et Almentioning

confidence: 99%

Long-Term Diverse Fertilizer Management on Weed Species and Communities in Winter Wheat Field

Than¹,

Zhang²,

Sun³

et al. 2017

AJPS

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“…It is known that the occurrence of weeds and the composition of weed communities are determined by a large number of factors that are partly interrelated (Kenkel et al 2002;Murphy and Lemerle 2006). The identification of complex patterns in the data requires statistical approaches that master the simultaneous observation and analysis of more than one depending variable and therefore are called multivariate statistics.…”

Section: Multivariate Statisticsmentioning

confidence: 99%

Methods to conduct and analyse weed surveys in arable farming: a review

Hanzlik

Gerowitt

2016

Agron. Sustain. Dev.

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Arable weeds always accompany arable farming; however, species and abundances vary in space and change in time. Surveys assess weeds on a large spatial scale. The regional and national importance, the abundances in which weeds occur, is derived from surveys. Environmental and management background data assist to explain the weed vegetation. Arable weed surveys can have an agronomic, a botanical or an ecological purpose-we approach the agronomic viewpoint. Scientific value results from spatial data about the arable weed vegetation for modelling the dependencies and predicting future changes on a large scale. Researchers, botanists, farmers, advisors, herbicide manufacturers and other industry players engaged in weed control can get rationale spatial impressions of trends in the weed vegetation. This review focuses on methodical aspects of weed surveys. Forty-three surveys on farmed fields, mainly but not exclusively undertaken in Europe, done in up to nine crops per survey covering periods of 1 to 67 years and including 59 to 4423 fields were excerpted for suitable methods to conduct and analyse surveys. The methods reflect agronomic and other targets, e.g. from vegetation science. When accessing existing data, the interdependencies of the layout and all targets should be handled with care. When setting up surveys for agronomic purpose, it is worthwhile to include 3 years and apply stratified sampling. We recommend assessing abundances rather than presence only. Weed survey data is most suitable for applying multivariate statistics. We recommend using proven methods, without discouraging to explore others. To collect sound explanatory data demands for robust contacts with land managers. Explanatory variables are important in survey analyses to extract knowledge about the drivers of the weed vegetation. We conclude that extra value can be obtained from existing weed survey data. We propose to setup public-private partnerships as a way to carry on with arable weed surveys.

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Continuous cropping systems and weed selection

Cited by 82 publications

References 49 publications

Adventitious Flora and its Behavior in Common Bean (Phaseolus vulgaris L.) Cultivated under Different Weed Management Methods in the Upper Katanga, DR Congo

Adventitious Flora and its Behavior in Common Bean (Phaseolus vulgaris L.) Cultivated under Different Weed Management Methods in the Upper Katanga, DR Congo

Long-Term Diverse Fertilizer Management on Weed Species and Communities in Winter Wheat Field

Methods to conduct and analyse weed surveys in arable farming: a review

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