The control of cypress rust
1. Symptoms: Eucalyptus rust hazards Coniferous needles and twigs, early yellow spots, after the top of the bulge broke the top of the red-brown conical or chicken cork exposed, single or several connected, that is, teliosporus angle. After the spring rain, it is gel-like with orange-yellow flowers and the teliospores are on the surface of this jelly. 2. Occurrence characteristics: Mycelium overwintered on cypress, and the winter scent produced a winter spore horn. In the warm and rainy year of spring, the onset is severe. 3. Control methods: In winter, severe diseased branches on cypress were cut off. From October to November, sprayed with a mixture of 0.3% sodium pentachlorophenolate and 1 Baume degree lime sulfur can prevent the infection of rust spores. In the middle and late March, spray 1 to 2 Baume degrees of lime sulfur or 160 to 200 Baume degrees of Bordeaux mixture 2 to 3 times 7 to 10 days before germination of teliospore. Feed Grade Cinnamon Powder,Bacillus Licheniformis Powder,Brewers Yeast For Feed Additive,Agricultural Chitosan Oligosaccharide Wenzhou Borun Technology Co. Ltd , https://www.alliedbiosolutions.com