The beginning of May is warm and sunny, which favorably affects the activity of insects. In fruit orchards, it will be necessary to control the fruit trees, and in the potato crop, take care of the presence of the potato beetle.
The first week of May was marked by warm, sunny and mostly dry weather. Maximum and minimum air temperatures were within the average for the first days of May. Mean daily air temperatures ranged from 8 degrees Celsius in the mountains to 18 degrees Celsius in Vojvodina, a positive deviation was recorded in the northwest of the country, while in the rest of the territory of Serbia, the usual thermal conditions were.
The air temperatures and the sowing layer of the soil have been optimal for the past period intensive development winter crops, as well as for the initial stages of development of newly sown and sprouted spring crops.
Warm and sunny weather has a beneficial effect on insect activity. The presence of egg litters was registered in potato crops potato beetles. In the following days, the sawing of larvae is expected, which cause the greatest damage to potatoes, feeding on leaves. An increased number of corn cobs was observed in corn crops. In fruit crops on the territory of Serbia, the laying of eggs and sawing of larvae of the peach weevil is in progress. The beginning is in progress laying eggs apple roller.
In the peach and nectarine plantations, the presence of green peach was also registered, which, in addition to the direct damage it causes, by sucking plant juices is also a carrier of a large number of phytopathogenic viruses. In terms of plant diseases, the warm weather with the first precipitation can create favorable conditions for the realization of the primary infection that causes soot leaf spot and apple fruit scab.
Plum orchards are in the initial stages of fruit development. Examination of the fruit revealed the presence plum roll eggs. In most regions, the larvae have started to hatch, and the use of one of the registered insecticides is recommended. About the choice of preparations and other harmful organisms in more detail at www.pisvojvodina.com.
Source: AGROmedia by www.agromedia.rs.
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