At present, the autumn acacia worm has arisen and caused local damage in most of the maize growing provinces nationwide, according to the report of the Provincial Plant Protection and Cultivation Department nationwide to July 12 / 2019, the total area of harmful autumn acacia pests on summer-autumn corn nationwide is 14,893 ha, heavily infected 1,254 ha, the control area is 7,227 ha. The provinces heavily infected with this worm are Son La, Dien Bien, Lang Son, Phu Tho, Yen Bai, Ninh Binh, Dong Nai, Dak Lak, Nghe An. The level of damage and rapid spread of acacia has been strongly warned and directed by the Ministry of Agriculture and Rural Development in recent years. This conference is one of many activities to strengthen the prevention of corn acacia insect pests.
The conference has summarized and evaluated the situation of directing the implementation of activities to monitor, prevent and respond to the spread and harm of the autumn acacia insect nationwide, and forecasts the situation arising. This pest will cause damage in the coming time to summer-autumn and winter maize.
The conference also pointed out the difficulties in preventing the autumn pests such as: at the same time the young worms have many different ages, so the effectiveness of the spray is not high, the seasons are long, overlapping to create conditions for deep gladiolus. The conference received many suggestions for management solutions and recommendations such as continuing to promote information dissemination about harm and prevention measures for acacia fall, scientific research to apply in direct the production, especially the breeding and release of beneficial organisms such as parasitic bees, predatory insects, parasitic fungi, antagonistic fungi, bacteria and insect viruses, …
