Volume 11, Issue 2 (2022)
JCP 2022, 11(2): 269-278 |
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H. El Kenway A, E. A. El-Sheikh W, Ali Mohamed M. Evaluation of Chrysoperla carnea and Macrolophus pygmaeus as biological control agents of Frankliniella occidentalis on Batavia lettuce under hydroponic cultivation. JCP 2022; 11 (2) :269-278
URL: http://jcp.modares.ac.ir/article-3-59905-en.html
URL: http://jcp.modares.ac.ir/article-3-59905-en.html
1- Biological Control Department, Plant Protection Research Institute, Agricultural Research Centre, Giza, Egypt. , ahmed.elkenawy@arc.sci.eg
2- Department of Plant Protection, Faculty of Agriculture, Beni-Suef University, Beni Suef 62511, Egypt.
3- Biological Control Department, Plant Protection Research Institute, Agricultural Research Centre, Giza, Egypt.
2- Department of Plant Protection, Faculty of Agriculture, Beni-Suef University, Beni Suef 62511, Egypt.
3- Biological Control Department, Plant Protection Research Institute, Agricultural Research Centre, Giza, Egypt.
Abstract: (1262 Views)
Few studies have investigated the efficacy of natural enemies against pests in hydroponic farming. We aimed to determine the effectiveness of two predators Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae), and Macrolophus pygmaeus Rambur (Hemiptera: Miridae), for controlling Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) in hydroponic cultures of Batavia lettuce. Both C. carnea and M. pygmaeus were released weekly with spot treatment: 10-20 individuals /m2 and 0.25-5 individuals/ m2/release, respectively. One of the more substantial conclusions from our current study is that C. carnea and M. pygmaeus highly reduced the F. occidentalis larvae and adults (45.85 and 60.91%) over the control treatments. The efficiency of M. pygmaeus was higher than that of C. carnea. The population of F. occidentalis decreased from 8.75, 7.75, and 7.5 individuals /leaf in control to 8.25, 7.0, 6.25, and 3.5, 3, and 2.5 individuals/leaf in the C. carnea and M. pygmaeus, respectively in all three planting cycles. Results also showed that in control and M. pygmaeus, the variation was only significant between cycles 1 and 3. While the C. carnea group showed a significant difference between cycles 1 and 3 and 1 and 2. Results also indicated that M. pygmaeus was more effective than C. carnea as a biocontrol agent against the larvae and mature F. occidentalis. Thus, using M. pygmaeus and C. carnea to manage the thrips damage is advised.
Keywords: Soilless Culture- Vegetable – Organic – Natural Enemies- Insect Pest - Management- Hydroponic
Article Type: Original Research |
Subject:
Biocontrol of Plant Diseases
Received: 2022/02/28 | Accepted: 2022/08/8 | Published: 2022/09/12
Received: 2022/02/28 | Accepted: 2022/08/8 | Published: 2022/09/12
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