Dry Pinellia: The main diseases are leaf spot, root rot, and viral diseases. Virus disease can be sprayed with 1500 times liquid to prevent and cure disease, control leaf spot disease and root rot, spraying and watering 50% carbendazim WP 1800 times. Insect pests mainly include thrips and tussock larvae. Control can spray 50% phoxim 1000 times.
Salvia: pay attention to control root rot and leaf spot. To prevent root rot, we must choose land plots with higher groundwater and well-drained land, and clear the ditch in time so that there is no stagnant water. In the onset period, the roots were perfused with 50% carbendazim powder 1000 times. Control of leaf spot can be sprayed with Bordet's solution of 1:1:1:50 at the onset of disease.
Rehabilitation (also known as Rehmannia): The disease is mainly leaf spot, ring spines disease, before the onset of the disease, it is necessary to use a Zn-bearing or Bordeaux mixture to spray 2-3 times, and submerged 800 times of the bacteria to root once. Insect pests are mainly locusts, red spiders, cockroaches, etc., and can be controlled by conventional methods.
Chrysanthemum: Common diseases include root rot, downy mildew, brown spot, etc. In severe cases, the leaves of the whole plant are withered and the roots are rotten. The pests are mainly root-knot nematode diseases. The prevention and cure method is to treat the juveniles and planting holes with conventional drugs before transplanting to avoid rot. The diseased plants should be removed in a timely manner and the water should be excluded. Other pests and diseases can be treated by conventional methods.
Celosia citrifolia: The disease is mainly root rot. The pests are mainly small bridge worms. After the occurrence of the root rot, the lime field can be sowed. Prevention of small bridges insecticide pyrethroid pesticide foliar spray.
Licorice: The main diseases are powdery mildew and rust. The main insect pests are red spider and ground tiger. The disease can be sprayed with a Bordeaux mixture of 1:1:1:50; red spiders mainly invade leaves and inflorescences. After the leaves were damaged, the leaf color changed from green to yellow and finally withered. This insect is hidden on the back of the leaf. Control can be used 0.2-0.5 Baume degree lime sulfur plus rice soup or batter water spray. If the ground tiger is found to eat roots, 90% of trichlorfon crude drug 0.5 kg plus bait material 50 kg can be mixed to kill bait.
Atractylodes macrocephala: The main disease is white tinea disease. The diseased plants were found to be removed in time with soil and burned out. They were treated with 0.3% of Xilisheng solution or 5% of limewater leaching; insects were aphids, and 10% of imidacloprid wettable powder was used. 1500 times liquid, 50% anti-inferiority WP 1500 times, spray control.
Banlangen: The disease is mainly downy mildew, which damages the leaves and produces white or gray mold on the back of the leaves. When severe, the leaves die. The use of Rhizoctonia or 65% antimony can be used for control. Insect pests are mainly diamondback moth and cabbage caterpillars, and the larvae bite the leaves. In severe cases, the leaves eaten into a net. Control can be used 20% fenvalerate EC 2000-3000 times, 2.5% deltamethrin EC 3000 times, 2.5% flumethrin EC 5000 times spray.
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