How to prevent orchard scarab
FFP3 Face Mask,Safety Face Mask,FFP3 Flat Face Mask,Half Filtering FFP3 Face Mask ShaoXing SurgeCare Medical Products Co., Ltd. , https://www.sxsurgecaremedical.com
Chafer is an important pest of apple trees. It has a wide variety of species, and it not only eats leaves, but also harms flowers and fruits, and harms other trees such as pears, peaches, and cherry trees. Chafers on fruit trees can be controlled by a combination of artificial and pharmaceutical methods.
Preventive measures The hazards of chafers are closely related to the conditions of temperature, humidity, foodstuffs, cultivation practices, and nearby forests, fruit trees, crops, pastures and other conditions. When selecting a nursery site, a soil survey should be conducted and soil treatment should be performed if necessary. Treatment method: 3% trichlorphon powder per acre l500 ~ 2500 grams or 50% phoxim granules 2500 g fine soil 25 ~ 50 kg mixed thoroughly, and evenly spread on the ground, and then turned into the soil, poison kill soil The beetle larvae in the beak. Secondly, before the afforestation, the land density should be reduced to reduce the density of the insect population before the afforestation site with high density of alfalfa. Timely eradication of nursery weeds and timely irrigation. Before the winter, the nursery gardens should be deeply ploughed and deep-turned to increase the wintering mortality rate of pupa. Third, the basal fertilizer applied to the nursery must be fully decomposed in order to reduce its adult spawning.
Prevention and control measures Scarab have clustering, suspended animation, and phototaxis, and the most obvious hazards are on hot and windless nights. Experts suggest using the parakeetism and phototaxis of the beetle to shake the branches early in the morning or evening and shake the chafer on the tree to kill.
In addition, during the unearthed period of the beetle, it can be shaken and killed by hand, and stalked with black light and vibration-type insecticidal lamps. At the same time, can be sprayed on the diseased trees 90% crystal trichlorfon 800 ~ 1000 times; 80% dichlorvos EC 1000 ~ 1500 times, green Wei Lei 300 ~ 500 times, have a good control effect.
Secondly, the beetle insect source comes from many parties, especially the largest amount of wasteland in the wasteland. There is a serious orchard in the beetle. In the evening, the farmland music can be used for 1500 times or Lethburn, phoxim 1000 times or 2000 times. Orchard ground and canopy have a significant effect on the control of scarab damage.