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research-article | 30-November-2020

Characterization of Pterotylenchus cecidogenus in Desmodium ovalifolium cover crop from oil palm plantations in central Colombia

recently been observed in central Colombian oil palm plantations that use Desmodium ovalifolium as a cover crop. The D. ovalifolium is affected by yellowing and subsequent drying of the plants, causing losses for palm growers. As such, timely management strategies to prevent the dissemination and/or establishment of the disease to other plantations is needed. Thus, the present study had the following objectives: (i) to verify the presence of P. cecidogenus in D. ovalifolium from the central region of

Oscar Velandia, Yuri Mestizo, Héctor Camilo Medina, Donald Riascos-Ortiz, Francia Varón De Agudelo, Greicy Andrea Sarria

Journal of Nematology, Volume 53 , 1–14

Article | 21-July-2017

Effects of Cover Crops on Pratylenchus penetrans and the Nematode Community in Carrot Production

; radish compared to other cover crops or fallow control during cover crop growth and midseason carrot production. At both sites, there were few short-term impacts of cover cropping on soil ecology based on the nematode community. At Site 1, only at carrot harvest, radish-oats mixture and ‘Dwarf Essex’ rape alone enriched the soil food web based on the enrichment index (P ≤ 0.05) while rape and radish increased structure index values. At Site 2, bacterivore abundance 

ZANE J. GRABAU, ZIN THU ZAR MAUNG, D. COREY NOYES, DEAN G. BAAS, BENJAMIN P. WERLING, DANIEL C. BRAINARD, HADDISH MELAKEBERHAN

Journal of Nematology, Volume 49 , ISSUE 1, 114–123

Research Article | 26-September-2018

Annual and Perennial Alleyway Cover Crops Vary in Their Effects on Pratylenchus penetrans in Pacific Northwest Red Raspberry (Rubus idaeus)

Cover crops can provide many benefits to agroecosystems, such as lessening soil erosion and increasing water infiltration. However, cover crop use is not common in established red raspberry (Rubus idaeus) fields in the Pacific Northwest. Raspberry growers are concerned about resource competition between the cover crop and raspberry crop, as well as increasing population densities of the plant-parasitic nematode Pratylenchus penetrans, which has a wide host range and has been shown to reduce

RACHEL E. RUDOLPH, INGA A. ZASADA, LISA W. DEVETTER

Journal of Nematology, Volume 49 , ISSUE 4, 446–456

research-article | 06-March-2021

Effects of fluopyram and azadirachtin integration with sunn hemp on nematode communities in zucchini, tomato and sweet potato in Hawaii

microbial activities (Gopal et al., 2007). Cultural practices can be implemented to improve soil health and reduce population densities of plant-parasitic nematodes. Planting a sunn hemp (Crotalaria juncea) cover crop prior to growing vegetables has been shown to increase the abundance of free-living nematodes among other benefits such as adding organic matter in the soil, and improving soil nutrient cycling (Wang et al., 2003). This study was guided by the hypotheses that the integration of fluopyram

Philip Waisen, Koon-Hui Wang, Jensen Uyeda, Roxana Y. Myers

Journal of Nematology, Volume 53 , 1–15

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