JIANGMEN LEDERLIGHT LIGHTING Co.,LTD , https://www.lederlight.com
According to the recent scientific and technological personnel of the County Agricultural Technology Center, they investigated in Tonghui, Beidu, Yongxin, Triangle, Longsheng, Shijiao, Guofu, Dongxi and Datong in Qijiang County. The survival rate of locusts in winter is 89%, and the number of insects is 450-855, with a weighted average of 612.3 heads, slightly higher than normal. According to the survey on April 8-10, the sputum rate of Datun was 85.2%, and the emergence rate was 50.3%. It has reached the peak of emergence, the rate of phlegm and flooding is 54.6%, and the rate of emergence is 7.2%, about 7 days earlier than last year. 4 days in advance. It is expected that locusts will be moderately heavy this year. All localities should pay close attention to prevention and control in due course.
Proper control period:
1, big sister. The first generation is mainly for corn seedlings, the area below 600 meters from April 20 to May 3, and the area above 600 meters from May 3 to 13.
2, sputum. It is mainly harmful to rice, and the area below 600 meters is in early May, and the area above 600 meters is in mid-May.
Control formula (mu amount):
1. Corn Locust
1 20% crushed four 75 grams;
2 18% He Leguang 150g
3 20% drug heart 75 grams;
One of the above formulas can be sprayed with 45 kg of water.
2, rice aphids
4 5% Regent 30-40 ml;
5 20% drug heart 75 grams;
6 20% crushed four 75 grams;
7 2.5% Jiegong or 45% brave stab 75g;
One of the above formulas can be sprayed with 45 kg of water.
2. Rice field weeding
1 farmer loves 2 packs;
2 20% of the riches; a mixture of 10 kg of water or water
3 60% rice wins a package of water 45-60 kg spray.
Description: The application time of rice field herbicide application is 7-10 days after rice transplanting. After application, the field retains water for more than 7 days, and the field does not show mud. If the weeding time is consistent with the rice aphid control time, it can be mixed.
Grasp the key period to control rice and corn aphids
The first generation of aphids is the main pest that harms rice and corn. If it is not timely prevented, it can cause the rice heart rate to be more than 5%, and the corn seedlings to break the stem more than 10%, which seriously affects the yield.
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