<abstract xmlns="http://www.w3.org/1999/xhtml"><p>To investigate the influence of deficit irrigation on the root-knot nematode, <italic>Meloidogyne javanica</italic>, and its interaction with the eggplant crop, field experiments were conducted at two drip-irrigated agricultural areas in Jordan. Effects of limiting irrigation levels to 80, 60, 40 and 20% of the field capacity (FC) were compared with full irrigation (100%) treatment. Growth of eggplant plants was greatly reduced at irrigation levels of 40 and 20% FC at one field location, suggesting that the influence of deficit irrigation is field-dependant. Fruit yield was similar at all irrigation levels, except at 20% level, where a lower yield was noticed compared to 100% irrigation. Root galling of eggplant caused by the nematode was significantly lower at irrigation levels of 20 and 40% than 80 and 100% of FC, but was field-dependant at 60% of FC. The final nematode population was obviously lower at irrigation levels of 20, 40 and 60% than 80 and 100%. Thus, deficit irrigation to levels of 40 or 60% of FC can be utilised for the management of <italic>M. javanica</italic> infection in eggplant under field conditions.</p></abstract>

To investigate the influence of deficit irrigation on the root-knot nematode, Meloidogyne javanica, and its interaction with the eggplant crop, field experiments were conducted at two drip-irrigated agricultural areas in Jordan. Effects of limiting irrigation levels to 80, 60, 40 and 20% of the field capacity (FC) were compared with full irrigation (100%) treatment. Growth of eggplant plants was greatly reduced at irrigation levels of 40 and 20% FC at one field location, suggesting that the influence of deficit irrigation is field-dependant. Fruit yield was similar at all irrigation levels, except at 20% level, where a lower yield was noticed compared to 100% irrigation. Root galling of eggplant caused by the nematode was significantly lower at irrigation levels of 20 and 40% than 80 and 100% of FC, but was field-dependant at 60% of FC. The final nematode population was obviously lower at irrigation levels of 20, 40 and 60% than 80 and 100%. Thus, deficit irrigation to levels of 40 or 60% of FC can be utilised for the management of M. javanica infection in eggplant under field conditions.

Root-Knot Nematode (<italic>M<sc>eloidogyne javanica</sc></italic>) – Deficit Irrigation Interactions on Eggplant Cropped under Open Field Conditions

Plant Protection and IPM Department, Mutah University, P.O. Box 7, Karak, 61710, Jordan

Plant Production Department, Faculty of Agriculture, Mutah University, P.O. Box 7, Karak, 61710, Jordan

Journal of Horticultural Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Root-Knot Nematode () – Deficit Irrigation Interactions on Eggplant Cropped under Open Field Conditions

To investigate the influence of deficit irrigation on the root-knot nematode, Meloidogyne javanica, and its interaction with the eggplant crop, field...

Root-Knot Nematode (Meloidogyne javanica) – Deficit Irrigation Interactions on Eggplant Cropped under Open Field Conditions

Published Online: Jul 27, 2016

Page range: 73 - 78

Received: Mar 01, 2016

Accepted: Jun 01, 2016

DOI: https://doi.org/10.1515/johr-2016-0009

Keywords
eggplant roots, population, water deficit

© 2016 Muwaffaq Karajeh et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Root-Knot Nematode (Meloidogyne javanica) – Deficit Irrigation Interactions on Eggplant Cropped under Open Field Conditions

Published Online: Jul 27, 2016

Page range: 73 - 78

Received: Mar 01, 2016

Accepted: Jun 01, 2016

DOI: https://doi.org/10.1515/johr-2016-0009

Keywordseggplant roots, population, water deficit

© 2016 Muwaffaq Karajeh et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
eggplant roots, population, water deficit