Intercropping in field vegetable crops: Pest management by agrosystem diversification—an overview

Theunissen, J.

doi:10.1002/ps.2780420111

Cited by 54 publications

(40 citation statements)

References 17 publications

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“…In Þeld conditions, intercropping of vegetables with other plant species has been shown to reduce pest populations and may reduce or eliminate chemical control (Theunissen 1994). Intercropping has been successful in reducing T. tabaci infestations in tropical and temperate climates (Parrella and Lewis 1997).…”

Section: Management Of T Tabaci In Onionsmentioning

confidence: 99%

Onion Thrips (Thysanoptera: Thripidae): A Global Pest of Increasing Concern in Onion

Diaz-Montano

Fuchs

Nault³

et al. 2011

jnl. econ. entom.

163

132

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During the past two decades, onion thrips, Thrips tabaci Lindeman (Thysanoptera: Thripidae), has become a global pest of increasing concern in commercial onion (Allium cepa L.), because of its development of resistance to insecticides, ability to transmit plant pathogens, and frequency of producing more generations at high temperatures. T. tabaci feeds directly on leaves, causing blotches and premature senescence as well as distorted and undersized bulbs. T. tabaci can cause yield loss Ͼ50% but can be even more problematic when it transmits Iris yellow spot virus (family Bunyaviridae, genus Tospovirus, IYSV). IYSV was identiÞed in 1981 in Brazil and has spread to many important onion-producing regions of the world, including several U.S. states. IYSV symptoms include straw-colored, dry, tan, spindle-or diamond-shaped lesions on the leaves and scapes of onion plants and can cause yield loss up to 100%. Here, we review the biology and ecology of T. tabaci and discuss current management strategies based on chemical, biological, and cultural control as well as host resistance. Future directions for research in integrated pest management are examined and discussed.RESUMEN En las ultimas dos dé cadas, el trips de la cebolla, Thrips tabaci Lindeman (Thysanoptera: Thripidae), se ha convertido en una plaga mundial de alto interé s en cebolla, Allium cepa L., debido a su desarrollo de resistencia a insecticidas, capacidad para transmitir pató genos en plantas, y producció n de mayor numero de generaciones a altas temperaturas. T. tabaci se alimenta directamente sobre las hojas causando manchas, senescencia prematura, asṍ como bulbos pequeñ os y desformados. T. tabaci puede causar perdidas en rendimiento mayores al 50%, pero esta plaga puede ser aun más problemática cuando transmite Iris yellow spot virus (family Bunyaviridae, genus Tospovirus, IYSV). IYSV fue identiÞcado en Brasil en 1981 y desde entonces se ha propagado a importantes regiones productoras de cebolla a nivel mundial, incluyendo diferentes estados en los Estados Unidos. Los sṍntomas del IYSV incluye lesiones secas en forma angular o de diamante, de color café claro en las hojas y tallos de la cebolla y puede producir hasta 100% de perdidas en rendimiento. En este articulo nosotros revisamos la biologṍa y ecologṍa de T. tabaci y presentamos los actuales mé todos de manejo basados en control quṍmico, bioló gico y cultural asṍ como el mé todo de resistencia de plantas a insectos. Las direcciones futuras para investigació n en manejo integrado de esta plaga son analizadas. KEY WORDS Thrips tabaci, Allium cepa, Iris yellow spot virus, managementOnion thrips, Thrips tabaci Lindeman (Thysanoptera: Thripidae), has been the subject of considerable research and extension publications since it was Þrst described in 1888 (Lindeman 1889). Some aspects of its biology, ecology, and management have been summarized in T. LewisÕ highly regarded 1997 book, Thrips as Crop Pests, but a considerable amount of detail important for its management on onion (Allium cepa L.)...

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Section: Management Of T Tabaci In Onionsmentioning

confidence: 99%

Onion Thrips (Thysanoptera: Thripidae): A Global Pest of Increasing Concern in Onion

Diaz-Montano

Fuchs

Nault³

et al. 2011

jnl. econ. entom.

163

132

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“…Many authors demonstrated that the introduction of living mulch provides control of weeds or, at least, a low chemical weed control (Abdin et al, 1997;Agegnehu et al, 2008;Hiltbrunner et al, 2007;Ilnicki and Enache, 1992), to decrease insect damage (Costello, 1994;Hooks and Johnson, 2004;Theunissen, 1994), and to increase N availability (Thériault et al, 2009;Thorsted et al, 2006). However, the introduction of living mulch could induce competition between the cash crop and the living mulch (Teasdale, 1996).…”

Section: Introductionmentioning

confidence: 99%

Intercropping frost-sensitive legume crops with winter oilseed rape reduces weed competition, insect damage, and improves nitrogen use efficiency

Cadoux

Sauzet

Valantin‐Morison

et al. 2015

OCL

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-Mixing plant species in agroecosystems is highlighted as an agroecological solution to reduce pesticides and fertilizers while maintaining profitability. In the French context, intercropping frost-sensitive legume crops with winter oilseed rape is potentially interesting and began to be implemented by farmers. In this study we aimed at measuring the services and disservices of this intercrop with three different legume mixtures, in terms of growth and yield for rapeseed, ground cover of weeds in autumn and damage caused by rape winter stem weevil. The experiment was carried out at four sites from 2011 to 2014. We showed higher total aerial dry weights and total aerial nitrogen contents in the intercrops compared to sole winter oilseed rape in November. The companion plants contributed to the control of weeds and the mitigation of rape winter stem weevil damage, notably through the increase in the total aerial weight. In spring, after destruction of the companion plants, the intercrops had partially compensated a reduction in the N fertilization rate (-30 kg per hectare) in terms of aerial nitrogen content in rapeseed, with no consequences on the yield which was maintained or even increased. There were probably other interactions such as an improvement in rapeseed root exploration. The consequences were an increase in the nitrogen use efficiency in intercrops. The intercrop with faba bean and lentil showed the best results in terms of autumn growth, weed control, reduction in rape winter stem weevil damage, and rapeseed N content in spring and yield. Intercropping frost-sensitive legume crops with winter oilseed rape is thus a promising way to reconcile yield and reduction in pesticides and fertilizer use and perhaps to benefit more widely to the cropping system. Keywords:Intercropping / winter oilseed rape / companion plants / legume crops / agroecological services Résumé -Associer des légumineuses gélives au colza d'hiver contribue à réduire la compétition des adventices, les dégâts d'insectes, et à améliorer l'efficience d'utilisation de l'azote. Associer des plantes au sein d'un agroé-cosystème est mis en avant comme un levier agroécologique permettant de réduire les intrants tout en maintenant la rentabilité. En France, le mélange de légumineuses gélives en association avec le colza d'hiver est une pratique qui présente des intérêts potentiels et commence à se développer chez les agriculteurs. L'objectif de ce travail est d'étudier les intérêts et limites de trois associations en termes de croissance et de rendement du colza, de maîtrise des adventices et de dégâts de charançon du bourgeon terminal. Des expérimentations ont été conduites des 2001 à 2014 dans 4 lieux. Les couverts associés à base de légumineuses gélives permettent d'augmenter la biomasse totale produite et la quantité d'azote aérien en entrée hiver, comparé au colza seul. À l'automne ils contribuent à la réduction de la couverture du sol par les adventices et des dégâts occasionnés par le charançon du bourgeon terminal, notamment pa...

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“…This type of cropping can suppress weed growth, and insect damage is often lower in such polycultures than in monocultures (Root, 1973;Altieri & Letourneau, 1982;Theunissen, 1994).…”

Section: Introductionmentioning

confidence: 99%

The influence of yellow lupin intercropped with spring triticale on predatory carabid beetles (Coleoptera: Carabidae)

Hurej¹,

Twardowski²

2006

Eur. J. Entomol.

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Intercropping in field vegetable crops: Pest management by agrosystem diversification—an overview

Cited by 54 publications

References 17 publications

Onion Thrips (Thysanoptera: Thripidae): A Global Pest of Increasing Concern in Onion

Onion Thrips (Thysanoptera: Thripidae): A Global Pest of Increasing Concern in Onion

Intercropping frost-sensitive legume crops with winter oilseed rape reduces weed competition, insect damage, and improves nitrogen use efficiency

The influence of yellow lupin intercropped with spring triticale on predatory carabid beetles (Coleoptera: Carabidae)

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