Watermelon Borer Control Methods
Article Summary: Introduction to the green plant flower control methods for the watermelon borer, some nice tips and knowledge, recommended for collection!
Watermelon Borer Control Methods
The watermelon borer, also known as the tobacco caterpillar or tobacco moth, damages the fruit by burrowing into it with the second and third instar larvae, and has the habit of transferring to other fruits, causing a large number of flowers to fall and worm-infested fruits, severely affecting yield. This is usually caused by seeds being infected, or no seed treatment before sowing. The field can be cleaned, and pesticides such as cypermethrin (速灭杀丁), laifuling, and功夫5000-6000 times liquid spray can be used to control with an effect of over 90%.
Watermelon Borer Symptoms
The watermelon borer, also known as the tobacco caterpillar or tobacco moth, damages the fruit by burrowing into it with the second and third instar larvae, and has the habit of transferring to other fruits, causing a large number of flowers to fall and worm-infested fruits, severely affecting yield.
Watermelon borer damageThe watermelon borer is a general term for borers, including rice striped borer, corn borer, and sugarcane borer. These pests can cause crop yield reduction and even lead to withered plants.
Causes of Watermelon Borer
The reasons for the severe occurrence of watermelon diseases and pests may include the variety being susceptible to diseases; the rapid expansion of planting area, continuous planting in the same field for many years; seeds being infected and no seed treatment before sowing.
What Pesticides Are Effective for Watermelon Borer Control
Watermelon borers can be controlled with pesticides such as pyrethroids, abamectin, and methoxychlor. Generally, spraying the top of the plant once a week is sufficient.
Treatment for watermelon borerWatermelon borers should be treated with high-efficiency, low-toxicity, low-residue, and non-polluting pesticides. Using cypermethrin pesticides such as su灭杀丁, laifuling, and功夫5000-6000 times liquid spray can control with an effect of over 90%.
Watermelon Borer Control Methods
Best time for borer controlThe best time for controlling borers is from the peak of egg hatching to the early instar nymph stage. Catching this key time for control can basically curb the damage caused by borers with one application of pesticide.
Borer treatment methods1. Clean the field,集中处理 old and残 leaves and vines, after the harvest of melons, collect and burn the withered vines and leaves to reduce the overwintering population density. 2. Master the initial occurrence of larvae and apply pesticides. Use 5% Shujingte suspension 30-40 ml mixed with 30-40 kg of water per mu, or use 20% Mimanning suspension 1000-1500 times liquid for spraying. These two pesticides have good control effects. In addition, insecticides such as shachongshuang, shamendu can also be selected.
Borer preventive measures1. Apply pesticides to the soil to kill pests, using the habit of citrus borers pupating in the soil, apply pesticides to the soil surface before they emerge, which can kill some pupae and newly emerged adult moths. 2. Spray pesticides on the canopy to kill adult moths, during the peak occurrence of adult moths, according to the females' preference for sweetness, use 90% dichlorvos or 80% dicrotophos 800 times diluted with 3% sugar water or 3% orange juice, and add a small amount of sex pheromone for spraying the canopy 1-2 times, which can attract and kill a large number of adult moths.
The above introduction to the specific methods for controlling watermelon borers, I hope you will like it!