Summary of the work of the county plant protection station in 2019

The geomorphology and microclimate of our county are more complicated. There are plains, hilly mountains and lakeside Huaihe areas. The regional landforms are characterized by large areas such as mountains, water, grasses and barren hills, barren beaches and water level fields.

At present, the area is mainly distributed in Guanyin Temple, Guantan, Yucheng, Huaihe, Mingzuling, Guanzhen, Baoji, Tiefo and other nine townships, accounting for 47.4% of all towns.

I. The occurrence of summer monks in 2019

1. Occurrence period: The date of unearthing in the early summer of 2019 is April 23, the period of unearthing is on April 30, and the peak period of unearthing is on May 7. The peak period of the third instar is on May 15.

2. Occurrence: According to the survey of 30 samples on April 2, the average egg rate was 3.33%, the average egg density was 0.9/m2, and the egg winter mortality was 10%. On May 21-23, the survey of the occurrence of Xiayu was carried out, with a density of 0-3 heads per square meter, with an average of 0.19 heads per square meter.

3. The area of ​​Xiayu occurred: the occurrence of summer flooding was moderately light in 2019. The area of ​​Yilan in the whole area was 395,000 mu, and the area was 85,000 mu, of which the area below 6/mu was 82,600 mu, 6-10 head/mu. 0.23 million mu, 11-30 heads/mu and above 0.01 million mu.

Second, the occurrence of autumn in 2019

1. Summer wreckage situation: June 2-7, 2019, on the Huaihe River Beach in Huaihe Town, the investigation of the beaches of Hongda Lake in Wutan, Wuxiaotun, Guanzhen Town and Mingzuling Town The density of summer debris is less than 6/mu, accounting for 98.2% of the surveyed area, 6-10 head/mu accounting for 1.72%, and 11-30 head/mu accounting for 0.08%.

2, the occurrence of autumn :: I stationed on July 12-14, 2019 to dig, scrutiny 160 samples, there are 17 egg-like points, there are 24 eggs. The hatching period is on July 18, the 2-3 age is on August 5, and the emergence period is August 16.

3. Occurrence area: The area of ​​the wreckage in the autumn of 2019 is about 80,000 mu, and the area of ​​compliance is 14,500 mu, which is moderately light. The area of ​​debris is 6 heads/mu and 78,000 mu, 6-10 heads/mu and 0.11 million mu.

Third, the governance of the reclamation area

The reclamation area mainly concentrates on artificially raising and raising poultry to reduce the density of alfalfa. At the same time, it combines chemical control, especially in the wasteland, to prevent and control other crop pests. Other reclamation areas, such as the Huaihe River embankment, the Gangpo, and the embankment, use the method of concurrent treatment to control the radon density.

Difficulties:

1. The area of ​​Jixian County is large, the investigation is difficult, and the transportation is lacking.

2. Insufficient medical equipment.

3. There are few people and insufficient funds. Request for capacity, fixed positions and sufficient funds.

According to the survey: the area of ​​locust treatment is very small, mainly in the prevention and control of rice planthoppers, stem borer and leafhopper. The drugs used are mainly imidacloprid, triazophos, chlorpyrifos and chrysanthemum.

The total area of ​​prevention and control in the district has reached 350,000 mu, including 316,000 mu of chemical treatment and 34,000 mu of biological control and ecological control.

At present, the remaining labor force in our county is mostly through the cultivation of pheasants, domestic ducks, wild ducks, etc., naturally forming a large number of stocking households, generally more than a thousand stocking. In addition, the promotion of greening, planting poplar trees, and the number of birds are gradually increasing, which strongly inhibits the population development of aphids. However, due to the heavy use of chemical fertilizers and pesticides and artificial killing, the number of natural enemies of frogs and snakes as aphids has decreased year by year.

Fourth, the trend of summer monk in 2019

According to the analysis of the census of the autumn wreckage and the ecology of the squatting area, it is expected that the summer sputum in our county will occur lightly in 2019, and the occurrence degree is similar to that in 2019. It is estimated that the area of ​​Xiayu will be 80-100,000 mu.