Apple, pear, jujube fruit area

In the apple, pear, and jujube production areas, rust is common, but in actual production, most of the fruit farmers only know the disease and spray, and do not understand the specific characteristics of the disease, which seriously damages the quality of the fruit and affects the benefits. In this regard, Ma Lingfeng, a professor at Yangling Vocational and Technical College, said that after rust damages pear trees, apple trees and jujube trees, it will be transferred to cypress trees for wintering. When the weather is warmer, the winter rust spores will spread to these fruit trees with the wind. Harm the new shoots, leaves, stalks and young fruit of the tree. When conditions permit, spores of rust can be sprinkled for 10 kilometers with the wind. Therefore, it is crucial to cut off the source of the infected host to prevent the disease.

However, in actual production, because the farmers in the fruit area have insufficient understanding of the characteristics of rust occurrence, and the municipal construction department lacks the guidance of professional plant protection personnel in the urban and rural construction and road greening process, it is not suitable for the local cultivation of the tree species, which is the pathogen. The spread provides a barrier that causes the disease to occur frequently in some fruit areas and becomes a major lesion affecting the income of local fruit farmers.

In response to this situation, Professor Ma Zhifeng reminded the municipal and urban construction departments of the fruit farmers and fruit areas that it is strictly forbidden to plant cypress trees such as juniper, cypress, and cypress in apple, pear and jujube areas. In particular, municipal, urban construction and other relevant departments should establish a high sense of responsibility. When choosing green seedlings, they should not only consider aesthetics. They should consider the local conditions and put the interests of ordinary people first. Scientific planning of cypress and apple and pear trees. Planting areas such as tree species, try to cut or reduce the source of invading bacteria from the host. In this process, the fruit industry bureau, forestry bureau, horticultural station and landscaping management departments in the fruit area should work together to set the fruit eugenic area as a pollution-free protection area and excavate the sporadic cypress trees planted in the area. Adjust the structure of landscaping tree species and replace cypress trees with high rust resistant tree species.

For the fruit areas that have been planted with cypress trees and are temporarily unable to be excavated, Professor Ma Zhifeng suggested that all counties, towns (townships) and villages should increase the intensity of the unified defense, set up more reporting points, and provide relevant information to farmers in a timely manner. Taking the fruit industry planting village as a unit, set up a plant protection team to seize the prevention and control of spraying in key periods. In this process, the fruit farmers themselves must have a sense of the overall situation, and find that there are cypress trees planted around the orchard, it is necessary to spray them in time to cut off the germplasm transmission chain, curb the occurrence of rust and ensure their own benefits. In addition, when building apple orchards, pear orchards and jujube gardens, we must consider the surrounding environment and try to avoid the construction of cypress trees.

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