What is mildew and how to overcome it?
All of you are probably faced with the problem of education in the country powdery mildew - a fungal disease that destroys the leaves and stems of plants.
At the same opinion that the mildew is dangerous only seedlings - misleading. For example, powdery mildew quietly affects the cabbage all ages.
Looks like mildew yellow blurred spot on the upper side of the sheet or weak white raid the bottom (photo)
The most important thing - to know that the infection persists and fallen leaves, it is passed through the land of the young shoots and other plants.
So, my 5 ways to combat powdery mildew:
1) 15 - 20 minutes to heat the seeds in warm (48-50 ° C) water and dry to not reduce the germination of seeds;
2) often ventilate the greenhouses and open the film cover seedlings;
3) shoots of seedlings sprayed copper oxychloride (40 g of material in 10 liters of water);
4) to feed the affected mildew seedlings of ammonium nitrate before planting in the garden;
5) destroy affected leaves with dew in the heat.