The combined effects of false seedbed technique, post-emergence chemical control and cultivar on weed management and yield of barley in Greece

Kanatas, Panagiotis; Travlos, Ilias; Gazoulis, Ioannis; Antonopoulos, Nick; Τσεκούρα, Αναστασία; Tataridas, Alexandros; Zannopoulos, Stavros

doi:10.1007/s12600-020-00783-x

Cited by 24 publications

(21 citation statements)

References 35 publications

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“…Herbicide application significantly decreased the density of weeds compared to weedy-check treatment [ 59 ]. However, excessive herbicide use is resulting in increases cases of herbicide-resistant weeds [ 37 ].…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, integrated efforts are needed for successful weed management [ 38 ]. False seedbed can be used as an efficient strategy for integrated weed management [ 59 , 60 ]. False seedbed managed weeds better than conventional seedbed [ 59 , 61 ].…”

Section: Discussionmentioning

confidence: 99%

“…False seedbed can be used as an efficient strategy for integrated weed management [ 59 , 60 ]. False seedbed managed weeds better than conventional seedbed [ 59 , 61 ]. In the current study, false seedbed followed herbicide application in terms of density and diversity of weeds.…”

Section: Discussionmentioning

confidence: 99%

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The impact of different weed management strategies on weed flora of wheat-based cropping systems

et al. 2021

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The world population will rise in future, which would demand more wheat production to fulfil dietary needs of wheat-dependent population of the world. Food security in wheat-dependent regions will greatly rely on wheat productivity. Weed infestation is a major constraint reducing wheat productivity globally. Nonetheless, cropping systems and weed management strategies strongly influence weed infestation in modern agriculture. Herbicides are the key weed management tool in conventional agriculture. However, frequent use of herbicides have resulted in the evolution of herbicide-resistance weeds, which made weed management a challenging task. Sustainable and eco-friendly weed management strategies shift weed-crop competition in the favour of crop plants. Limited studies have evaluated the interactive effect of cropping systems and weed management strategies on weed flora of wheat-based cropping systems (WBCSs). This two-year study evaluated the impact of different weed management strategies (WMSs) on weed flora of WBCSs, i.e., fallow-wheat (FW), rice-wheat (RW), cotton-wheat (CW), mungbean-wheat (MW) and sorghum-wheat (SW). The WMSs included in the study were, false seedbed, allelopathic water extracts and herbicide application, while weed-free and weedy-check were maintained as control treatments. Data relating to diversity and density of individual and total broadleaved and narrow-leaved weeds were recorded. The WBCSs, WMSs and their interaction significantly altered diversity and density of individual, total, broadleaved and narrow-leaved weeds. Weed-free and weedy-check treatments recorded the lowest and the highest values of diversity and density of individual, total, broadleaved and narrow-leaved weeds. Herbicide application effectively reduced density and diversity of weeds. Allelopathic water extracts and false seedbed proved less effective than herbicides. On the other hand, SW cropping system not only reduced weed density but also limited the weed flora. It is concluded that false seedbed and SW cropping system can be efficiently used to manage weeds in WBCSs. However, long-term studies are needed to infer the impact of SW cropping system and false seedbed on soil properties, soil microbes and productivity of wheat crop.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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The impact of different weed management strategies on weed flora of wheat-based cropping systems

et al. 2021

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“…The proper identification of glyphosate resistance mechanisms is imperative and acts as a driver for future research [12]. The mitigation of herbicide resistance is a challenge for the sustainability of farming systems and should be based in innovative tank mixtures with chemical products with different modes of action [5], novel integrated weed management tools, such as cover crops [33], and modern cultivation techniques, such as false and stale seedbed [34].…”

Section: Discussionmentioning

confidence: 99%

Can Control of Glyphosate Susceptible and Resistant Conyza sumatrensis Populations Be Dependent on the Herbicide Formulation or Adjuvants?

Palma-Bautista

Tataridas

Kanatas³

et al. 2020

Agronomy

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In this work, we studied the effect of three glyphosate formulations (isopropylamine, ammonium and potassium salts) and two non-ionic adjuvants on the resistance response of two resistant (R1, R2) and one susceptible population of the highly invasive Asteraceae, Conyza sumatrensis, from Southern France vineyards. Only in R1, an amino acid substitution (Pro106Thr) was found in the enzyme 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS). The two adjuvants, in a similar fashion, significantly reduced GR50 values for every population and glyphosate formulation. Without adjuvants, glyphosate as potassium salt was the only formulation able to significantly reduce the GR50 values of every population. For every population, the two adjuvants improved, indistinguishably, leaf retention of the herbicidal solution and the potassium salt formulation led to the highest retention, both with and without the adjuvant added. Uptake responses paralleled those of retention and adjuvant addition was more effective in increasing foliar uptake of the lower performing formulations (isopropylamine and ammonium salts). The allocation pattern of glyphosate among plant compartments was only dependent on population, with R2 retaining most glyphosate in the treated leaf, clearly suggesting the occurrence of a Non-Target Site Resistance (NTSR) mechanism. Results indicate that control of weed populations possessing NTSR mechanisms of resistance to glyphosate may be improved through adequate selection of formulation and adjuvant use.

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“…This is a strong challenge, especially since knowledge of seedbank dynamics can promote the adoption of eco-friendly weed management practices such as false or stale seedbeds. The optimization of such agronomic practices through the use of DSSs could be proven to be of high importance since false seedbeds have resulted in sufficient weed control in major arable crops such as rice and barley, although control of weeds was not carried out by herbicide applications [67][68][69]. In Figure 2, some of the crucial points for the further development of weed-based DSSs are shown and ought to be taken into account in future attempts.…”

Section: Limitations Of Decision Supports Systems (Dss) In Weed Managmentioning

confidence: 99%

Benefits and Limitations of Decision Support Systems (DSS) with a Special Emphasis on Weeds

Kanatas¹,

Travlos

Gazoulis

et al. 2020

Agronomy

Self Cite

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Decision support systems (DSS) have the potential to support farmers to make the right decisions in weed management. DSSs can select the appropriate herbicides for a given field and suggest the minimum dose rates for an herbicide application that can result in optimum weed control. Given that the adoption of DSSs may lead to decreased herbicide inputs in crop production, their potential for creating eco-friendly and profitable weed management strategies is obvious and desirable for the re-designing of farming systems on a more sustainable basis. Nevertheless, it is difficult to stimulate farmers to use DSSs as it has been noticed that farmers have different expectations of decision-making tools depending on their farming styles and usual practices. The function of DSSs requires accurate assessments of weeds within a field as input data; however, capturing the data can be problematic. The development of future DSSs should target to enhance weed management tactics which are less reliant on herbicides. DSSs should also provide information regarding weed seedbank dynamics in the soil in order to suggest management options not only within a single period but also in a rotational view. More aspects ought to be taken into account and further research is needed in order to optimize the practical use of DSSs for supporting farmers regarding weed management issues in various crops and under various soil and climatic conditions.

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The combined effects of false seedbed technique, post-emergence chemical control and cultivar on weed management and yield of barley in Greece

Cited by 24 publications

References 35 publications

The impact of different weed management strategies on weed flora of wheat-based cropping systems

The impact of different weed management strategies on weed flora of wheat-based cropping systems

Can Control of Glyphosate Susceptible and Resistant Conyza sumatrensis Populations Be Dependent on the Herbicide Formulation or Adjuvants?

Benefits and Limitations of Decision Support Systems (DSS) with a Special Emphasis on Weeds

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