
The review of a condition of a problem in the last century is resulted. The distributions broomrape in the Saratov area for last 12 years on sunfl ower and weeds in sunfl ower crops was is studied. The dependence of widespread and intensity of severity broomrape from structure of areas under crops and expansion of its racial and specifi c structure is shown.
Приведен обзор состояния проблемы в прошлом веке. Изучено распространение заразихи в Саратовской области за последние 12 лет на подсолнечнике и сорных травах в посевах подсолнечника. Показаны зависимость распространенности и интенсивности поражения заразихой от структуры посевных площадей и расширение ее расового и видового состава.
САРАТОВСКАЯ ОБЛАСТЬ, ПОДСОЛНЕЧНИК, СЕВООБОРОТ, ЗАРАЗИХА, РАСПРОСТРАНЕННОСТЬ, ИНТЕНСИВНОСТЬ ПОРАЖЕНИЯ
САРАТОВСКАЯ ОБЛАСТЬ, ПОДСОЛНЕЧНИК, СЕВООБОРОТ, ЗАРАЗИХА, РАСПРОСТРАНЕННОСТЬ, ИНТЕНСИВНОСТЬ ПОРАЖЕНИЯ
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