Prevention of Common Flowers Diseases
Scalpel Blades,Surgical Blade,Safety Scalpel,Surgery Blade Surgimed Medical Supplies Co.,Ltd , https://www.surgimedcn.com
(a) Rust. The main hazards are rose, rose, rose and so on. The leaves, stems, and buds of the affected plant produce orange-yellow and black powder. Control methods: a reasonable application of nitrogen, phosphorus, potassium mixed fertilizer; soil too wet should be promptly drained; once the disease, need to cut sick branches, diseased leaves; spraying 65% zein zinc WP 500-600 times liquid.
(b) Powdery mildew. The main harm chrysanthemum, rose, rose, rose and so on. The branches and leaves of the diseased plants grow a layer of white powder. The leaf blades are rotted and the branches are deformed. In severe cases, the flowers are small and small, and even die. The method of prevention and control: timely cutting diseased branches and diseased leaves; spraying 25% carbendazim 700-800 times solution, or 70% thiophantine 8000-1000 times solution.
(c) anthrax. The main hazards are cacti, cyclamen, hydrangea, and orchids. The leaves and stems of the victim flowers grow purple-brown or light brown lesions, and the leaves are withered when severe. Control methods: Pay attention to ventilation and light transmission; control soil moisture; cut off the affected part in time; spray 70% thiophanate 500-600 times solution, or 50% carbendazim, in the early stage of disease.
(d) Viral disease. The main hazards are daffodils, peony, lilies, and human lilies. The diseased plants showed mosaics, spots, etc. Control methods: diligent weeding, removal, burning of diseased plants; spraying to kill aphids, whitefly and so on.
(e) Black spot. The main damage Meishan Rose, Huang Tsai Mei, rose, rose and so on. The victim's mosaic gave birth to dark brown patches that caused the leaves to fall off. Control methods: timely removal of dead branches, fallen leaves, and pruning; pay attention to cleaning and drainage; spray 130-160 times the same amount of Bordeaux mixture, or 50% carbendazim 500-800 times solution.
(6) Brown spot. The main hazards chrysanthemum, such as the plum. There are brown spots or dark brown spots on the leaves of the diseased plants, and the leaves gradually darken and die. Control methods: Immediate pruning and pruning to remove diseased branches and diseased leaves; drainage and dehydration; spraying 100 times the same amount of Bordeaux mixture, or 50% of enzymatic zinc wettable powder 600 times.