Bioherbicides: Dead in the water? A review of the existing products for integrated weed management

Cordeau, Stéphane; Triolet, Marion; Wayman, Sandra; Steinberg, Christian; Guillemin, Jean‐Philippe

doi:10.1016/j.cropro.2016.04.016

Cited by 193 publications

(152 citation statements)

References 60 publications

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“…Biological weed control has little relevance in broad-spectrum weed control in cowpea because no insect is known to feed on a cross-section of cowpea weeds without attacking the crop. Bio-herbicides, a relatively recent innovation in biological weed control, are now in the market (Cordeau et al, 2016).…”

Section: Biological Weed Controlmentioning

confidence: 99%

Weed Interference and Control in Cowpea Production: A Review

Osipitan¹

2017

JAS

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In spite of the great economic potential of cowpea as both domestic and commercial crop, a number of constraints, which include insect pests, diseases and weeds, limits its production in West and many parts of Africa. Weeds reduced cowpea yield and value by competing for light, water and nutrients. Cowpea suffers from weeds particularly when the crop is in the early growth stages before ground cover. Yield losses cause by weeds alone in cowpea production can be as high as 76% depending on the cowpea cultivar, environment and weed management practices. A timely weed removal at the critical period, which falls within the first 40 days of cowpea growth, would help to prevent an unacceptable yield. Weed management in cowpea has been with low technology. Hand weeding is the most widely used weed control method in cowpea but they are usually expensive and labour intensive. Cultural practices such as narrow row spacing and planting of early maturing varieties are also used for weed control in cowpea. Herbicides, which are relatively easy to use and less expensive, have not been widely adopted for weed control in cowpea. There are limited number of selective herbicides with wide spectrum for weed control in cowpea. However, an integrated practices that involved pre-emergence weed control using herbicides or physical weeding, and a supplementary weed removal that would ensure weed control up to 40 days after cowpea emergence could substantially prevent yield losses associated with weed interference.

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Section: Biological Weed Controlmentioning

confidence: 99%

Weed Interference and Control in Cowpea Production: A Review

Osipitan¹

2017

JAS

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“…2012년 프랑스에서는 강과 하천에서 식물보호제로부터 15종의 활성물질들을 검출하였고, 가장 많이 발견되는 물 질은 제초제 혹은 제초제 대사물질인 것으로 보고하고 있 다 (Cordeau et al, 2016). 그 결과 프랑스와 유럽의회는 많 은 제제 혹은 활성성분을 시장으로부터 퇴출한 바 있다.…”

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Status and Perspective of Bioherbicde Development for Organic Weed Management

Pyon¹,

Lee²,

Park³

2017

Weed & Turfgrass Science

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ABSTRACT. Weed management under organic farming systems is very problematic since organic agriculture does not allow synthetic herbicides. Bioherbicide is needed to develop for weed management in organic agriculture systems. This review covers current status and perspectives of bioherbicide development for effective nonchemical weed management in organic farming systems. Bioherbicides are products of natural origin derived from living organisms, and more specifically bacteria, fungus and plants including natural metabolites for weed control. Bioherbicides derived from microorganisms or natural molecules are currently available on the pesticide markets. Devine, Lockdown (Collego), BioMal, Camperico, Organo-Sol and Opportune were derived from bacteria, Woad Warrior, Smolder, Mygogen, Chontrol Paste, Starritor and Phoma derived from fungus, and Katoun (pelargonic acid) and Beloukha were derived from plants. Corn gluten meal products and plant essential oils products are also available for nonselective weed control in organic agriculture. Organic weed management methods may be more feasible in small scale farming and high-value crops, and bioherbicides may be applied with other weed control practices in organic farming systems.

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“…However, the efficiency of biological control is low, and only 33% of released agents successfully control target weeds (McFadyen 1998). There are also issues of ecological safety, and these agents can be dangerous to animals, including mammals (Cordeau et al 2016). Compared with other methods, the chemical method is efficient in a short time (Willingham et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Activated Carbon Prepared from Alternanthera philoxeroides Biomass by One-step K2CO3 Activation

Chen

Dou

2017

BioResources

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Activated carbons (ACs) were prepared from Alternanthera philoxeroides (AP) by K2CO3 one-step mixing activation. The effects of the mixing mass ratio of K2CO3 to AP, activation temperature, N2 flow rate, and period on the yield and specific surface area of ACs were investigated. The results showed that the surface area and pore volume of ACs were closely related to activation conditions and that the activation temperature was the main factor influencing the surface area and pore volume. The activation conditions only had a slight effect on the yield of ACs, which varied between 13.5% and 19.5%. The surface area of 1799.8 m 2 /g was obtained at a K2CO3 to AP mass ratio of 2:1, activation temperature of 900 °C, activation time of 2 h, and N2 flow rate of 60 cm 3 /min. The surface morphology of ACs were characterized with scanning electron microscopy (SEM), and the recovered K2CO3 was characterized with powder X-ray diffractometry (XRD). The SEM images of the ACs also showed that the activation temperature had an obvious effect on the porous structure.

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Bioherbicides: Dead in the water? A review of the existing products for integrated weed management

Cited by 193 publications

References 60 publications

Weed Interference and Control in Cowpea Production: A Review

Weed Interference and Control in Cowpea Production: A Review

Status and Perspective of Bioherbicde Development for Organic Weed Management

Activated Carbon Prepared from Alternanthera philoxeroides Biomass by One-step K2CO3 Activation

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