Antifungal Activity of Different Extracts of Chenopodium album against Fusarium oxysporum f. sp. cepae, the Cause of Onion Basal Rot
In New South Wales avocados are grown in the coastal areas north of Gosford with some plantings in the irrigation areas along the lower Murray River. The principal soils are basaltic clay loams on the coast and deep sands at Stuarts Point and on the Murray.
The main cultivar is Hass. It is grafted on seedling rootstocks derived from non-edible avocados of the Mexican or Guatemalan botanical races. Fuerte and Sharwil, once popular varieties, are now on the decline. Lamb Hass, a new variety, is being planted in some areas. Fruit are harvested from April to December.
Diseases are the biotic factor with the greatest impact in cacai production in Latin America and the world. In Central America, bacteria, viruses and nematodes do not cause significant problems; instead, fungi and similar organisms are responsible for most of the losses.
Management of Tomato Leaf Spot Caused by Alternaria tenuissima Wiltshire using Salicylic Acid and Agrileen