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Whey: The Soil Bio-Community Enhancer That Selectively Controls Root-Knot Nematodes

Abamectin Efficacy on the Potato Cyst Nematode Globodera pallida

Institute for Sustainable Plant Protection, CNR, Via G. Amendola 122/D, 70126 Bari, Italy
Institute of Zoology, MECC, St. Academiei 1, 2028 Chisinau, Moldova
Department of Life and Environmental Sciences, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
Author to whom correspondence should be addressed.
Plants 2020, 9(1), 12;
Received: 25 November 2019 / Revised: 13 December 2019 / Accepted: 17 December 2019 / Published: 19 December 2019
(This article belongs to the Special Issue Plant-Parasitic Nematode Management)
The potato cyst nematode Globodera pallida is a major pest of the potato crop. Abamectin is a biological pesticide showing high nematicide activity, but its efficacy to control G. pallida has not been investigated to date. In this study, combination of different abamectin concentrations ranging from 1.125 to 36 µg/mL x exposure times from 24 to 384 h were tested on the nematode in a hatching test. Abamectin induced mortality with LD50 value in the range of 13.23 (after 24 h) to 2.90 µg/mL (after 384 h). A glasshouse experiment was also performed in pots filled with soil infected with G. pallida in the presence of sprouted potato tubers cultivar “Spunta”. Abamectin at 4.5, 9.0, 18.0 and 36.0 µg/mL was used in comparison with nematicide fosthiazate. The doses of 18 and 36 µg/mL significantly reduced number of eggs, juveniles, cyst/g soil and reproduction rate in comparison to both untreated control and fosthiazate treatment. Soil applications of abamectin provided significant G. pallida control with LD50 and LD99.9 of 14.4 and 131.3 µg/mL, respectively. These results indicate the efficacy of abamectin to control G. pallida on potato crops and its potential use in organic agriculture or in an integrated pest management program. View Full-Text
Keywords: bio-pesticides; streptomycetes; nematode control; plant parasitic nematodes; nematicide bio-pesticides; streptomycetes; nematode control; plant parasitic nematodes; nematicide
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MDPI and ACS Style

Sasanelli, N.; Toderas, I.; Veronico, P.; Iurcu-Straistaru, E.; Rusu, S.; Melillo, M.T.; Caboni, P. Abamectin Efficacy on the Potato Cyst Nematode Globodera pallida. Plants 2020, 9, 12.

AMA Style

Sasanelli N, Toderas I, Veronico P, Iurcu-Straistaru E, Rusu S, Melillo MT, Caboni P. Abamectin Efficacy on the Potato Cyst Nematode Globodera pallida. Plants. 2020; 9(1):12.

Chicago/Turabian Style

Sasanelli, Nicola, Ion Toderas, Pasqua Veronico, Elena Iurcu-Straistaru, Stefan Rusu, Maria Teresa Melillo, and Pierluigi Caboni. 2020. "Abamectin Efficacy on the Potato Cyst Nematode Globodera pallida" Plants 9, no. 1: 12.

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