Population Density and Parasitism Evaluation of Helicoverpa armigera(Hubner) and Spodoptera exigua (Hubner) on Twelve Varieties of Tomato in the Field
Introduction Tomato, Lycopersicon esculentum Miller has a special place among agricultural products. A wide range of pests and diseases are causing damage to tomato. Tomato fruit worm, Helicoverpa armigera (Hubner) 1809 and beet armyworm, Spodoptera exigua (Hubner) 1808 are two important pests of th...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | fas |
| Published: |
Ferdowsi University of Mashhad
2018-01-01
|
| Series: | Majallah-i ḥifāẓat-i giyāhān |
| Subjects: | |
| Online Access: | https://jpp.um.ac.ir/index.php/jpp/article/view/63473 |