What kind of pesticides are used in oranges?

China is one of the important places of origin of citrus, with a wide variety of fine varieties and a cultivation history of more than 4000 years. It needs a lot of fertilizer in the process of growth, and it is also easy to produce insect pests. So, what kind of pesticide do oranges use?

1. Citrus canker

Spray to protect shoots and fruits, choose 77% copper hydroxide wettable powder, 30% copper oxychloride suspension 800 / 1000 times, 20% dichloroisocyanurate methyl wettable powder 1000 / 1500 times, or 20% quinolone wettable powder 1000 / 1500 times.

2. Citrus scab

Chemical spray control to protect tender leaves and young fruits. You can choose 30% copper oxychloride suspension 600x solution, 40% triadimefon carbendazim wettable powder 800x solution or 50% imipramine manganese complex 1000 times solution spray.

3. Citrus anthracnose

In spring, summer and autumn shoot tender leaf stage, young fruit stage and fruit expansion stage, 25% prochloraz EC, 24% nitrile benzazole suspension, 43% mancozeb suspension 1000 times or 25% bromocyanide EC 500 times 800 times were sprayed.

4. Red spider

Do a good job of clearing the garden in winter, and choose 100 times of spray oil emulsion or Baume 0.8-1.0 stone sulfur mixture before sprouting in the following year in winter.

When the insect population reaches the control target, acaricides can be used to control or pick treatment, and less broad-spectrum domestic medicine can be used to protect natural enemies.

5. Scale insects

Strengthen the inspection and control effectively during the nymph incubation period and the first nymph stage. It is generally controlled by spraying twice from the middle of May to the first and middle of June and 1-2 times from August to September. Do a good job in clearing the garden in winter, cut off disease and insect branches, dead branches, and burn them completely. Spray 8-10 times of pine alkali mixture or 100x liquid machine oil emulsion plus 3000 times liquid organophosphorus pesticide in winter.

For citrus pesticides, it is necessary to clearly understand the main diseases and insect pests, and then take correct measures to control, do not use drugs indiscriminately.