Ginger drill heartworm is one of the main pests that harm ginger, after the big ginger drill heartworm harms ginger, the harm can be observed in the field in June, the main performance is that the leaves of the large ginger stem that are bitten are wilted and yellow, and there is a bite-eating section or wormhole in the middle and lower part; or in the new leaves of the ginger, the transverse bead-like wormhole is obviously seen, these are the obvious symptoms of the harm of the ginger drill heartworm, the author has seen more than 60% of the ginger field is endangered.
Large ginger drill heartworm field hazards
Large ginger leaves have rows of small holes or irregularly arranged holes
Wormholes appear in the lower stems of ginger
Ginger drill heartworm bites the cross-section
What is the Big Ginger Drill Heartworm?
Ginger borer is actually a corn borer, because of the harm to ginger, so also called ginger borer, is a lepidoptera borer moth insect. In the north (specifically referring to the ginger planting area of Shandong), it is mainly the first generation of corn borer hazards, while endangering crops such as corn.
Ginger drill heartworm (corn borer, ginger borer)
Ginger drill heartworm control:
1. Accurately grasp the prevention and control period and hit it with one hit
Actively contact local agricultural service departments such as the Plant Protection Station of the Agricultural Bureau to understand the occurrence time of local corn borers and prevent them in advance. Local county-level agricultural departments should also notify the occurrence time of local corn borers through various channels to achieve unified prevention and control. Taking The ginger planting area of Shandong Anqiu as an example, the incubation time of the local corn borer larvae that harm the ginger is usually June 3-12, and the concentrated occurrence is June 5-8, and the appropriate chemical control is carried out within this time, the effect is very good, and the corn borer control agent can be referred to, such as avermectin.
2. Comprehensive control to reduce the source of insects:
Corn borer usually overwinters in the straw, so timely and early treatment of corn and ginger straw can effectively reduce the number of corn borer mouths in the following year. In actual visits, the author often sees large ginger stems scattered and piled up in the field after harvest, and a few corn stalks that have not been returned to the field are discarded in drainage ditches. It is recommended that the departments at the village level can carry out unified management, strengthen publicity, and uniformly recycle storage, brewing, landfilling or as raw materials for biomass power generation.
3. Gradually improve the planting method:
Other crop patterns can be explored to inhibit and avoid pests, such as ginger and garlic in some areas, or to plant corn borer-like crops around large ginger plots, such as corn, and treat them in time after the corn borer lays eggs.
At the same time, we welcome the majority of netizens to make suggestions, exchange and improve, and provide practical technical guidance for the production of ginger, thank you