1, below), thus when downy mildew first occurred growers generally did not recognize the presence of a disease. The most noticeable symptom is chlorosis which can resemble a nutritional deficiency (Fig. The first step in preparing for basil downy mildew is learning the symptoms (Fig. ![]() Downy mildew has caused complete crop loss. Leaves with any symptoms are rendered unmarketable especially for sale as fresh herb. This is the main dispersal mechanism enabling the pathogen to disperse throughout the eastern US every summer, similar to its well-known relative causing cucurbit downy mildew. The pathogen’s abundantly produced spores can be readily wind-dispersed. In 2008 it was confirmed in both field- and greenhouse-grown basil crops, as well as home gardens across the eastern US and Canada. Downy mildew is caused by the Oomycete Peronospora belbaharii.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |