The latest common diseases and insect pests of sparrow plum and their control measures

As one of the "seven sages" of bonsai, finch plum is an important material for making bonsai, which is deeply loved by bonsai lovers. However, if infected with pests, it will greatly reduce its value. So what diseases and insect pests are easy to catch? How can we control these pests? The parent agricultural network here introduces several common diseases and insect pests of finches and corresponding prevention and control methods.

1. Rust of Sparrow Plum

The rust pathogen of larch is fungus. Caused by polysporous rust, it will produce beautiful spores, make the leaves yellow, or the disease spots on the front of the leaves start to be orange, the disease spots gradually become fat and thick, and the back of the leaves bulge, affecting the appearance. As time goes on, the spots expand, can expand to round, black, and eventually cause the leaves to die and fall off.

Control methods:

The rust spot disease of sparrow plum can be treated by pruning method: completely cut off the branches and buds with bacteria on the tree before spring rain. In addition, it is also possible to spray 350 times solution of sodium pentachlorophenol or sodium pentachlorophenol before spring rain to reduce diseases.

II. Longicorn pest

When the longicorn pest occurs, the female longicorn will bite through the bark and lay eggs on the branches. The newly hatched larvae will eat under the bark, grow up and gradually bite into the trunk and roots, and then gradually make the branches of the longicorn empty and die.

Control methods:

The larvae can be killed directly by inserting a moderate amount of wire into the wormhole.

Third, red spider pests

Red spider disease is reddish-brown oval appearance, red spider will lay eggs on the leaves of the plant, with its mouthparts pierced into the branches and leaves to absorb the juice, causing the chlorophyll of the leaves to be destroyed, so that the color of the leaves gradually turns yellow, the leaves will also appear gray-yellow spots, until the leaves dry and fall off.

Control methods:

Dichlorvos or dimethoate can be sprayed directly 1000 times to 1500 times the liquid.

The above are three common diseases and insect pests and control measures of these three diseases and insect pests, hoping to provide some help for bonsai lovers. The cortex of the branches of the finch plum itself is thin, and the nutrition delivery mode is also different. During the cultivation period, attention must be paid to conservation measures.