New Hampshire Turf and Ornamental Pesticide Applicator Practice Exam

Question: 1 / 400

When do the fruiting bodies of Needlecast spread orange spores?

During the bud break in March

Only in the summer months

Just before bud break in May

The fruiting bodies of Needlecast fungi typically release orange spores just before bud break in May. This timing corresponds to the physiological changes in the host trees as they begin to prepare for the growing season. The spores are produced during this period to coincide with the new growth, allowing them to be effectively dispersed by environmental factors such as wind and rain when the new foliage is most vulnerable.

This strategy maximizes the chances of infection on the fresh, tender needles that will be growing as the season progresses. The timing of spore release is crucial for the life cycle of the fungi, ensuring that the spores are available when conditions are optimal for infection and subsequent disease development. The other options do not accurately reflect the typical sporulation timing associated with Needlecast diseases.

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Through the fall and winter

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