Spring ploughing in Quanzhou is gradually coming to an end, and the peak period of pests should be prevented early

In mid-April, the spring ploughing has gradually come to an end and a new round of pest control will be ushered in. The reporter learned from the Municipal Agriculture Bureau yesterday that due to the low temperature in winter and spring, the number of insects in the first generation of Quanzhou City has decreased compared with last year, but the peak of the hatching period is earlier than last year.

"The rice has different pests and diseases in various growth stages. At present, rice has just been transplanted, and the pests and diseases are mainly aphids. Aphids, including rice stem borer and stem borer, have a great impact on the growth of rice, and even Leading to white spikes and heartlessness, resulting in severe crop yield reduction." Chen Liling, the station manager of the Municipal Agriculture Bureau's plant protection station, said that due to frequent winter and spring rainfall, the temperature of the locusts in winter was less than that of last year. For example, in Luojiang, there are 150 residual insects in the winter after Sanhua, which is 476 less than last year. There are 270 insects in the second crop, which is 520 less than last year. In Hui'an, there are 781 insects in the winter. There are 58 fewer than last year, and the mortality rate is 34.7%. It is expected that the first generation of the three mites will occur lightly, and the mites will occur moderately.

In addition, the promotion and use of new pesticides provides sufficient protection for further reducing pests in Quanzhou. This year, the new pesticide promotion area in Quanzhou reached 300,000 mu, which was 50,000 mu more than last year. The demonstration area has more than 80% control effect, and the pest and disease loss is controlled below 5%. In the promotion of new pesticide varieties, Quanzhou It will promote 10 kinds of high-efficiency, low-toxic and low-residue varieties including emamectin benzoate, pymetrozine and etofenpur.

Due to the geographical differences and ecological environment, and based on the field investigation and reference data, it is expected that the peak period of the first generation of the coastal rice area in Quanzhou this year will be from April 18 to 23; From May 3rd to 8th, it was 2-4 days earlier than last year; while the mountainous rice area occurred 10-15 days earlier than the coast.

"Spring ploughing generally ends at the end of April and early May. The next thing farmers should do is to prevent and control the locusts. On the one hand, all localities should pay close attention to the ploughing of winter leisure fields, irrigating and dissolving the fields to reduce the effective insect source." Chen Liling told On the other hand, journalists should strengthen chemical control. In the incubation period of cockroaches, it is necessary to do a good job in the prevention and control of polders and early fields. The main ones include: Putian should apply "give medicine", and use toxic oxazophos emulsifiable concentrate 60 ml of water 50-60 kg spray; transplanted in the field or throwing the field after 6-7 days, 25% of the killing of the cockroach, chlorpyrifos 40-80 grams plus 33% Benzyl benzyl alachlor 50 grams with fertilizer or fine Sand mixed evenly, the field should maintain the water layer, and treat the weeds in the rice fields; when the early insertion of the field, the key points are selected when the heart is dry or the sheath is used, and 60 grams of Avi Triazophos EC or toxic oxazophos EC is used. Kejia 18% insecticidal double 250 grams of water 50-60 kg spray.