El-Nawawy, M., Mosustafa, N., Ibrahim, S. (2016). Efficacy of Some Ecofriendly Inducers in Controlling Barley Net Blotch. Journal of Agricultural Chemistry and Biotechnology, 7(6), 153-161. doi: 10.21608/jacb.2016.40803
M. El-Nawawy; Nabila Mosustafa; Sherin Ibrahim. "Efficacy of Some Ecofriendly Inducers in Controlling Barley Net Blotch". Journal of Agricultural Chemistry and Biotechnology, 7, 6, 2016, 153-161. doi: 10.21608/jacb.2016.40803
El-Nawawy, M., Mosustafa, N., Ibrahim, S. (2016). 'Efficacy of Some Ecofriendly Inducers in Controlling Barley Net Blotch', Journal of Agricultural Chemistry and Biotechnology, 7(6), pp. 153-161. doi: 10.21608/jacb.2016.40803
El-Nawawy, M., Mosustafa, N., Ibrahim, S. Efficacy of Some Ecofriendly Inducers in Controlling Barley Net Blotch. Journal of Agricultural Chemistry and Biotechnology, 2016; 7(6): 153-161. doi: 10.21608/jacb.2016.40803
Efficacy of Some Ecofriendly Inducers in Controlling Barley Net Blotch
1Food Sci. Dept., Faculty of Agriculture , Ain Shams Unversity . Egypt .
2Barley Disease Res. Department , Plant Pathology Reasearch Institute , Agriculture Res Centre , Giza , Egypt.
Abstract
The antifungal activity of resistance inducers ; Mono potassium phosphate ( KH2PO4) ,Chitosan clay Nano composite (ccnc), Humic acid (HA) , Sodium meta silicate(Si) Si were tested in controlling Pyrenophoratere anamorph : Drechslerateres the causal organism of net blotch disease of barley . The evaluation was carried out at barley adult plant stages using two rowed hulled Giza 127,Giza 128 and six rowed hulls Giza 129 andGiza 130in greenhouse and open field conditions at two locations ; Itay El-Baroud and Sakha agricultural Research stations in Behaira and KafrElsheik Governorates , Egypt in 2013/ 14 growing season . Under artificial inoculation in greenhouse all concentrations of the four tested inducers were significantly reduced ondisease severity (DS)Chitosan clay Nano composite (ccnc) , Mono potassium phosphate ( KH2PO4) ,Humic acid (HA) and Sodium meta silicate(Si)respectively compared with the control. The highest correlation was observed between DS and peroxidase , 1,3- glucanase after 15 days.Under field condition there was similar result of greenhouse . Spraying barley plants of the studied varieties with the tested inducers showed significantly correlation between disease severity and each of thousand kernel weight (TKW) , plot weight , total protein , total lipids , total fiber , crude ash and total carbohydrates compared with the control. It is worth mentioning that six rowed hulls barley Giza 129 and Giza 130 were more responsive to the positive effects of inducers compared with two rowed hulled barley Giza 127 andGiza 128 .
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