Which of the following is NOT a prevention method for leaf curl virus?

Prepare for the BASF Plant Science Certification Exam. Study using flashcards and multiple choice questions; each question includes hints and explanations. Ace your exam effortlessly!

Using row covers is a common agricultural practice, but it is not specifically effective against leaf curl virus. Leaf curl viruses are often transmitted by insect vectors, primarily aphids, which can easily bypass physical barriers like row covers. Therefore, while row covers can protect against some pests and environmental factors, they do not prevent the virus itself from being introduced into the crop.

In contrast, planting resistant varieties is a strong prevention method, as these types have been bred to withstand the virus. Controlling weeds and insects also plays a critical role, as many weeds can harbor pathogens, and insect control minimizes the transmission risk. Additionally, crop rotation can break the lifecycle of some pests and reduce their populations, which indirectly lessens the potential for virus transmission. This reinforces the fact that using row cover does not adequately address the specific risks associated with leaf curl virus.

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