Spring rain, humidity, passion fruit susceptible to powdery mildew, leaves, buds and young fruit covered with white powder, the leaves chlorotic chlorosis, buds rot decay, a large number of young fruit off, reduce the fruit setting rate. In the spring, attention should be paid to checking the leaves, buds and young fruits of passion fruit. After the appearance of white powder, it is necessary to spray 800 times 50% aqueous solution of triadimefon, or 1000 times 80% aqueous solution of myclobutanil, or 1500 Double the 10% aqueous solution of myroxystrobin, or 1,000 times the aqueous solution of 50% sulfur suspension solution, spray once every 7-10 days, and spray 2-3 times in succession to evenly wet all stem vines, leaves, buds and young fruit. It is advisable to start dropping drops of water. Trolley Ultrasound Scanner,Color Doppler Ultrasound,Doppler Ultrasound Diagnostic Instrument,Trolley Full Digital Ultrasound Scanner Mianyang United Ultrasound Electronics Co., Ltd , https://www.uniultrasonic.com
Passion fruit note prevention against powdery mildew in spring