WhiteLeafSpotControl - How to Treat WhiteSpots on Plant Leaves. Unfortunately, the answer to what to do for whitespots on the leaves of your nut tree is nothing. Cultural practices only provide effective disease control when the climate is not conducive. An increase in the susceptible host population and favorable weather conditions have together favored the recent rise in whiteleafspot disease occurrence and spread. A two year trial examined control of different rates of Cyprodinil + Fludioxonil 625 g kg -1 against grey mould (Botrytis cinerea), whiteleafspot (Mycosphaerrella fragariae) and estimated their effects on strawberry yields. The relative importance of each disease and their symptoms is described separately for each disease. However, management practices for disease control are similar. Whiteleafspot (Cercospora or Cercosporella spp.) You can apply liquid copper (a solution certfified organic) to your cole crops to controlwhitespot fungus. Spray all the plant as soon as you see the disease. Be sure and spray the tops and bottoms of the leaves, and spray again every 7-10 days. How do I treat leafspot? There are no control measures for brassica whiteleafspot. Treatment for whiteleafspot involves the removal and destruction of infected plants. Prevention is the best method for control. Use only disease-free seeds or resistant cultivars. Whitespots on a Japanese maple leaf probably means leafspot which is generally a symptom of phyllosticta or tar spot and creates an unsightly appearance that may distract from the tree's natural elegance. This whitespot is a kind of fungus that typically attacks host trees, such as walnut, hickory and pecan. It usually happens when the temperature is warm and during the rains of spring. If not treated, the affected leaves will develop yellowish spots that will turn into brown. disease control, leafspot. activity benefits from. chlorothalonil or sulfur. tank mix. 14 Low cost, reliable No soil disease activity. leafspotcontrol. Not curative or systemic. Multiple modes of Less effective than many. 8. The best “all round” leafspot/white mold fungicide for this scenario would be Provost Silver. As a “stand alone” product, Provost Silver seems to offer a good combination of curative leafspot activity and good white mold control. Whiteleafspot disease is characterized by the presence of whitespots on the upper surface of leaves of infected plants (Figure 13). Symptoms of both diseases may be found on the same leaf (Figure 13). Black leg, Light leafspot, WhiteLeafspot. • Ascospores develop on infected plant residues • Asexual spores (conidia) spread relatively short. distances by rain • Cool, moist conditions promote disease • Can be seedborne. Early leafspotcontrol with the AU-Pnuts advisory treatments with both rates of Headline 2.09E were comparable to that obtained with the standard 2-week Bravo Ultrex program.
