Citrus began to bud one after another, and Qingyuan medicine should pay special attention

In February, citrus buds and spring shoots began to appear one after another, the orchards that were picked late had not yet cleared the garden to control pests and diseases, and the late-ripening varieties were still unpicked. In short, after the buds are present, Qingyuan needs special attention to the selection of medicinal agents, and the occurrence of medicinal damage cannot be remedied.

For example, mineral oil, allicin, stone sulfur compound, etc. should not be used, some people use no problem, some people use the drug harm, not that it must not be used, but there is a risk in use, high concentration, warm sunny spray is prone to drug damage.

After the buds and shoots emerge, some growers use mineral oil + alkyne mite + ethosin + avermectin + phenoxymethocycline, and the garden controls pests and diseases, and there is a problem of drug pests, and this similar thing happens almost every year.

No buds clear the garden

Mainly control red spiders, wood lice, moss, soot disease, as well as sterilization to reduce germs, reduce the occurrence of diseases this year. Before the buds are present, the garden is cleared to control diseases and insect pests, and there are many drugs to choose from.

Qingyuan medication reference plan

1, stone sulfur compound: used for sterilization, insecticide, mite killing and other effects, a drug multi-effect, can control a variety of diseases and insect pests.

2. Allicin + chlorpyrifos: mainly control moss, soot, psyllids, while preventing and controlling other fungal diseases and some weeds.

3, mineral oil + avermectin + allicin: mainly to prevent and control red spiders, psyllids, moss, soot disease and so on.

4. Mineral oil + avermectin + copper preparation: mainly to prevent and control red spiders, psyllids, etc., as well as to prevent and control ulcer disease (reduce bacteria).

Flower buds have been cleared of the garden

It mainly controls red spiders, wood lice, aphids, etc., as well as sterilization to reduce germs and reduce the occurrence of diseases this year. Now the buds, after the emergence of spring shoots, the garden to control diseases and insect pests, the selection of agents need to pay attention to.

1. Daisenmeng zinc + bromocyanidium imidacloprid: mainly control fungal diseases, aphids, pyllids and so on.

2. Zinc thiazole + perchloropyrimidine: mainly control (control) ulcer disease, fungal diseases, aphids, pyllids, etc.

3、 Benzo. Pyrazole ester + tetazole mite nitrile + avermectin: mainly control fungal diseases, red spiders, aphids, pyllids and so on.

How to control moss?

Mineral oil + allicin (control of a variety) or ammonium desen + ammonium carbon (low cost), the effect of controlling moss and soot disease is better. However, it is not suitable for use after the buds and spring shoots, how to prevent it?

Moss and soot disease is mainly in the lower part of the canopy and the inner hall, you can use the anti-moss agent to spray moss and soot disease alone, that is, the lower part of the canopy and the inner hall, individual trees can also be sprayed alone with a back test sprayer. Individual fruit trees are slight, reasonable pruning is airy and light-permeable, not easy to erupt, and can be sprayed later. 【Disclaimer】The content of this article is for reference only!