Aphids on Durum Wheat Grown in Organic Farming | ЛИСТНИ ВЪШКИ ПРИ ТВЪРДА ПШЕНИЦА, ОТГЛЕЖДАНА В БИОЛОГИЧНО ЗЕМЕДЕЛИЕ
2012
Maneva, V., Institute of Agriculture, Karnobat (Bulgaria) | Atanasova, D., Institute of Agriculture, Karnobat (Bulgaria) | Koteva, V., Institute of Agriculture, Karnobat (Bulgaria)
Experience is held during the period 2006-2010, in crops of durum wheat variety Beloslava grown in conditions of organic farming. Is determined the species composition of aphids. There were species Sitobion avenae and Schizaphis graminum. Definitely is the percentage ratio between species and the dynamics of distribution in years. During the observations predominant species Sitobion avenae. Traces the impact of weeds on the multiplication of the parasite and the influence of diet on plant density of aphids.
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Эту запись предоставил Institute of Agricultural Economics