Distribution of Orobanche ramosa L. and Orobanche mutelii Sch. in the Main Tobacco Producing Regions of Bulgaria
Ключови думи :
Orobanche mutelii; Orobanche ramosa; tobaccoАбстракт
The study was conducted in 2012 – 2013 in 32 farming lands in South Central and South Eastern region of the country. It was investigated total 3651da with three varietal groups tobacco, grown under different soil and climatic conditions and different farming practices. In 2278 da of the surveyed areas are found two of the main varieties of the root parasite broomrape: Оrobanche ramosa and Оrabanche mutelii. In the village Shishmanovo were discovered single plants of albino form of Orobanche. The degree of infestation of Orobanche ramosа L. is with score 1. The degree of infection of Orobanche mutelii Sch. is ranging from score 1 to score 3.
Литература (библиография)
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