| 21. | Green beans can tolerate up to 30 percent defoliation without a change in yield.
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| 22. | After 6 to 9 years of moderate to heavy defoliation, the trees die.
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| 23. | Some notodontids cause noticeable defoliation of their hosts.
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| 24. | The major concern with almond scab is partial or complete defoliation of the tree.
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| 25. | Some methods of control have been defoliation in areas in both Oregon and California.
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| 26. | It is true that pears can be plagued with leaf spot diseases that trigger defoliation.
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| 27. | The disease can cause defoliation, and the spores can overwinter on the fallen leaves.
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| 28. | It said defoliation was worst in Germany, Poland, the Czech Republic and Slovakia.
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| 29. | And Virginia reported its first defoliation since 1995, with 71, 000 acres affected.
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| 30. | By attacking mature passion fruit trees, these lesions cause intense defoliation and fruit rot.
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