Weed seedbank response to tillage and crop rotation in a semi-arid environment

Ghosheh, Hani Z.; Al‐Hajaj, Nawal

doi:10.1016/j.still.2004.11.005

Cited by 11 publications

(13 citation statements)

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“…9), which showed that there was a positive and week relationship between weed flora and weed seed bank. These results are in agreement with the findings of Cardina et al (2002), who reported the highest density in no till system as compared to conventional tillage system on the other hand, these results are in contrast with the findings of Gosheh and Al-Hajaj (2005) who found that tillage with moldboard plow increased the soil weed seed bank of about all weed species. Whereas, Ali et al (2016b) reported lower seed bank of C. arvensis under No-till system integrated with glyphosate herbicide that may be due to the efficient control of C. arvensis through glyphosate herbicide.…”

Section: Discussionsupporting

confidence: 91%

Dynamics of Seed Bank and Weed Flora in Rain-Fed Wheat as Affected by Different Tillage Systems

Ali¹

2017

PAKJAS

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INTRODUCTIONWeed seeds represent the main source of annual weed invasion and establishes a weed seed bank in agricultural production and development system (Montaldo, 1995). The weed seed bank reproduces the history of weeds, weeds control and is an indicator of future competition between weeds and crops. The addition of new seeds into the seed bank is affected by how effective the weed control method is. Variations in the weed seed bank are due to direct effect of tillage practices on the existing weed seeds in soil and the plenty of seed producing weeds. Tillage practices influence the weed seed bank where some weed seeds are encouraged to germinate (Roberts and Feast, 1972), although other weed seeds are buried and remain viable in the deep soil for a long period of time (Roberts and Feast, 1972;Mohler and Galford, 1997). Tillage practices work as a filter that influences weed species and weed seed distribution in the soil seed bank. Research show changes in weed species composition as a significance of tillage practices (Cussans, 1975). Different tillage systems can affect the weed species composition of agricultural plant populations varying from traditional tillage to conservation tillage (Ball and Miller, 1993). Dorado et al. (1999) studied the weed seed bank response to crop rotation and tillage i.e. moldboard plow and NT (no-tillage) and they found largest and most diverse weed seed bank in no-tillage system but, according to Wrzesinska et al. (2013) weed species composition and diversity of soil seed bank after ploughing and direct drilling (DD) was same, although in NT treatment this number was lower by three species. Weed control is becoming harder in conservation tillage because of decrease or complete removal of mechanical operations and for this reason, it is important to gain advanced research information about the soil weed seed bank (Forcella et al., Pak. J. Agri. Sci., Vol. 54(4), 907-917; 2017 ISSN (Print) ISSN (Online) Weeds are the major limiting factor for taking higher yields of rain-fed wheat. Temporal and vertical seed bank distribution and weed flora dynamics associated with crop productivity were studied in wheat crop preceding different tillage systems integrated with glyphosate herbicide in a field experiment for two consecutive years. Seven tillage treatments viz. T1: Once Mould board plowing followed by 8 cultivations, T2: No-till followed by twice application of glyphosate, T3: Once Mould board plowing followed by twice application of glyphosate, T4: Once Mould board plowing followed by 4 cultivations, T5: Once disc harrowing followed by twice application of glyphosate, T6: Once disc harrowing followed by 4 cultivations and T7: Once chisel plowing followed by twice application of glyphosate were applied in the fallow periods (summer seasons) of both years. Results showed that seeds of 12 species of winter weeds belonging to nine families were observed in the study area. Seed of five weed species i.e. Chenopodium album, Fumaria indica, Convolvulus arvensis, Asphodelus ten...

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Section: Discussionsupporting

confidence: 91%

Dynamics of Seed Bank and Weed Flora in Rain-Fed Wheat as Affected by Different Tillage Systems

Ali¹

2017

PAKJAS

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“…Despite the ability of moldboard plowing to destroy the existing vegetation prior to planting, its use is limited in arid conditions because of the low moisture conservation. In comparison, chisel plowing is more adopted in arid environments for its ability to better conserve moisture (Ghosheh & Al‐Hajaj ). The current study confirmed the efficiency of tillage to prevent an increase in weed infestation.…”

Section: Discussionmentioning

confidence: 99%

“…; Mass & Verdu ). In contrast, some species depend on seed burial to break dormancy, protect them from the surface seed predators and to ensure successful establishment (Buhler ; Ghosheh & Al‐Hajaj ). These species are better adapted to tillage systems that cause more disturbance (i.e.…”

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confidence: 99%

“…Some species favor being near the soil surface in order to survive, germinate and emerge; thus, they tend to increase in reduced tillage systems (Derkson et al 1994;Feldman et al 1997;Unger et al 1999;Buhler 2002;Cardina et al 2002;Mass & Verdu 2003). In contrast, some species depend on seed burial to break dormancy, protect them from the surface seed predators and to ensure successful establishment (Buhler 1995;Ghosheh & Al-Hajaj 2005). These species are better adapted to tillage systems that cause more disturbance (i.e.…”

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Interactions between the tillage system and crop rotation on the crop yield and weed populations under arid conditions

Sarani

Oveisi

Mashhadi

et al. 2014

Weed Biology and Management

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Field experiments were conducted in Iran in order to determine the interactions between the tillage system and crop rotation on weed seedling populations and crop yields from 2002 to 2005. No tillage, shallow tillage and deep tillage were the main plots and three crop sequences comprising continuous wheat (W‐W), wheat–canola–wheat–canola (C‐W) and wheat–safflower–wheat–safflower (S‐W) were the subplots. Bromus japonicus, Carthumus lanatus, Polygonum aviculare, Lolium temulentum and Avena ludoviciana were found to be the dominant species. The initial weed population in 2002 was estimated at 65 seedlings per m2 and B. japonicus (∼35 seedlings per m2) was the most abundant species, followed by A. ludoviciana and L. temulentum. The dominant weed species mostly did not favor the combination of S‐W and C‐W with any tillage type. For the B. japonicus population, S‐W in combination with moldboard plowing indicated the lowest seedling population. In conclusion, the crop sequence in combination with tillage would help to control troublesome weed species. Safflower and canola were determined to be effective in reducing the grass weeds. The inclusion of these crops in rotation also increased the total revenue of the cropping systems because of the higher sale price of canola and safflower.

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“…Reviews on weed seedbank dynamics analyzed the significance of various crop management practices Christoffoleti and Caetano, 1998). Soil weed seedbank was found to obey negative binomial distribution (Chauvel et al, 1989), which refers to the reserves of viable seeds and vegetative propagules present (Ghosheh and Al-Hajaj, 2005) in the soil. It comprised of an inactive (McGraw and Vavrek, 1989) part and another active part that is ready for germination (Au skalnien_ e and Au skalnis, 2009).…”

Section: Weed Seedbank Dynamics and Seedling Emergencementioning

confidence: 99%

Weed Problems, Ecology, and Management Options in Conservation Agriculture: Issues and Perspectives

Ramesh

2015

Advances in Agronomy

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Weed seedbank response to tillage and crop rotation in a semi-arid environment

Cited by 11 publications

References 16 publications

Dynamics of Seed Bank and Weed Flora in Rain-Fed Wheat as Affected by Different Tillage Systems

Dynamics of Seed Bank and Weed Flora in Rain-Fed Wheat as Affected by Different Tillage Systems

Interactions between the tillage system and crop rotation on the crop yield and weed populations under arid conditions

Weed Problems, Ecology, and Management Options in Conservation Agriculture: Issues and Perspectives

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