defoliation

Total defoliation in America from 1970 to 2010, was 80.4 million acres.

State researchers cannot predict whether another defoliation is on the way.

Continuous defoliation over several years often results in the death of the tree.

It can be a major cause of defoliation in oak trees.

This causes defoliation of the trees, but not tree death.

Affected trees usually suffer total defoliation within 2 to 12 months.

Severe defoliation over several consecutive years can cause death of trees.

After 6 to 9 years of moderate to heavy defoliation, the trees die.

But if we have a dry spring, I would expect more defoliation than last year."

They can be moved when the tank is cleared, or before too much defoliation occurs.

Damage to vegetation was total across central areas of the island, with complete defoliation taking place.

Tubers may be held in the ground for short periods after complete defoliation.

It is considered a pest species and can cause near total defoliation during outbreaks.

A study of the program based upon solid evidence that was required by congress failed to clearly establish a military value for defoliation.

The disease can result in lesions, defoliation, and berry rot.

Look for eaten-away leaves and, in severe cases, complete defoliation.

Potato plants can take a lot of defoliation and still produce a decent crop.

It is occasionally responsible for widespread defoliation of hardwood species.

Attacked trees show signs of defoliation and eventually, shoots may die off.

Most years it's not a problem, but every once in a while it causes widespread defoliation, turning whole valleys brown.

For the first time in many years, he said, the area has escaped defoliation by gypsy moths.

Some trees, grown ugly and weakened by repeated defoliation, may die.

Defoliation may occur but is often not serious.

Defoliation is rarely complete but trees can appear very thin crowned.

It can result in premature nut ripening and plant defoliation.