Question

Among the following options, which weed is categorized as a total root parasite, meaning it relies entirely on its host plant's roots for nutrients and does not photosynthesize to produce its own energy?

A Loranthus Correct Answer Incorrect Answer
B Orobanche Correct Answer Incorrect Answer
C Striga Correct Answer Incorrect Answer
D Pistia Correct Answer Incorrect Answer

Solution

Orobanche cernua (Broom rape) is a total root parasite. Its host plant is tobacco.

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