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Hozayn, M., Boraei, D., EL-Mahdy, A. (2016). Effect of Magnetic Field on Seed Viability and Insect Infestation of Some Wheat Varieties. Journal of Plant Protection and Pathology, 7(11), 741-749. doi: 10.21608/jppp.2016.52136
M. Hozayn; Doaa M. Boraei; Amal A. A. EL-Mahdy. "Effect of Magnetic Field on Seed Viability and Insect Infestation of Some Wheat Varieties". Journal of Plant Protection and Pathology, 7, 11, 2016, 741-749. doi: 10.21608/jppp.2016.52136
Hozayn, M., Boraei, D., EL-Mahdy, A. (2016). 'Effect of Magnetic Field on Seed Viability and Insect Infestation of Some Wheat Varieties', Journal of Plant Protection and Pathology, 7(11), pp. 741-749. doi: 10.21608/jppp.2016.52136
Hozayn, M., Boraei, D., EL-Mahdy, A. Effect of Magnetic Field on Seed Viability and Insect Infestation of Some Wheat Varieties. Journal of Plant Protection and Pathology, 2016; 7(11): 741-749. doi: 10.21608/jppp.2016.52136

Effect of Magnetic Field on Seed Viability and Insect Infestation of Some Wheat Varieties

Article 9, Volume 7, Issue 11, November 2016, Page 741-749  XML PDF (297.35 K)
Document Type: Original Article
DOI: 10.21608/jppp.2016.52136
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Authors
M. Hozayn1; Doaa M. Boraei2; Amal A. A. EL-Mahdy3
1Field Crop Research Department, Agricultural and Biological Research Division, National Research Centre, Giza, Egypt.
2Stored Products and Grains Department, Plant Protection Research Institute, Agriculture Research Center.Dokki, Egypt.
3Seed Technology Research Department, Field Crops Research Institute, Agricultural Research Centre, Giza, Egypt
Abstract
The effect of magnetic field periods (1 min, 6 and 12 h) exposure of some infected wheat seed varieties (Masr-1, Sids-12 and Sakha-93) with two stored grains insects Sitophilus oryzae (L.) and Rizopertha dominica F. to low static magnetic field (30&60 mT) on mortality (%), reduction in F1 progeny (%), seeds germination (G%), seed and seedling vigor traits were studied under controlled laboratory conditions. Results showed that, the mortality percentage of both insects increased with increasing of MFs levels and time exposure. Magnetic field level at 60 mT for 12 hrs was the most effective against tested insects in which mortality percentage of S. oryzae was 56.60, 53.30 and 50.00 % with Masr-1, Sakha-93 and Sids-12 respectively after 10 days from exposure period while at the same level and time, mortality percentage of R. dominica was 45.00, 36.60 and 33.30% with Sids-12, Sakha-93 and Masr-1, respectively. Exposure infected seeds with (S.oryzae and R.dominica) to magnetic field treatments 60 mT for (1 min.,6 and 12 h) positively affected on all seed and seedling vigor parameters compared to control treatment (infected seed without magnetic treatment). Moreover almost equaled with uninfected seeds but it showed significant effect on all parameters comparing with untreated seeds.The results suggest that pre-sowing low-magnetic field treatment has the potential to improve seed germination and seedling vigor traits of infected wheat verities with stored grain insects(S. oryzae or R. dominica) through reduction in F1- progeny and increasing mortality percentage.
Keywords
Magnetic Field – Sitophilus oryzae- Rizopertha dominica- Germination
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