What is the primary factor influencing corn's recovery from late spring frost?

Study for the CCA Ontario Crop Management Exam. Prepare with multiple-choice questions; each provides hints and explanations. Ensure your readiness for the exam!

The primary factor influencing corn's recovery from late spring frost is whether the growing point is above ground. After a frost event, the growing point's status is critical; if it is above ground and exposed to the cold, it is more likely to be damaged. The growing point of corn is located at the top of the plant, and if it is killed by frost, the plant will not be able to grow and develop normally. If the growing point is still protected or below ground at the time of frost, the plant has a better chance of survival and can continue to grow once favorable conditions return.

The number of leaves on the plant, while an important growth factor, does not directly affect the plant's ability to recover from frost damage. The type of soil and surrounding temperature may influence overall growth and health, but they are not as decisive in terms of immediate recovery post-frost as the status of the growing point. Thus, the location of the growing point significantly determines the corn's resilience to late spring frost events.

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