| 41. | It is susceptible to both downy and powdery mildew.
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| 42. | Powdery mildew causes reduced kernel size and lower yields.
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| 43. | Squash leaves get a whitis coating, called powdery mildew.
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| 44. | Most likely it's powdery mildew, which is caused by prolonged mild temperatures and abundant rainfall.
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| 45. | Tests have shown that when left untreated powdery mildew can reduce yields by 27 %.
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| 46. | This summer's prime examples were black spot and powdery mildew, both diseases caused by fungi.
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| 47. | Try to moderate temperature swings _ warm days and cool nights spur powdery mildew growth.
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| 48. | He also notes that the powdery mildew pathogen may assume different forms in different areas.
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| 49. | Powdery mildew is not as severe as other diseases.
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| 50. | And there are profit-eating diseases : phylloxera, curl leaf, powdery mildew, pierce and glut disease.
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