How to prevent grain worms
Grain storage is an inevitable problem in every household and agricultural production. Especially in humid or high-temperature environments, grains are prone to insects, leading to waste and economic losses. This article will combine the hot topics and hot content on the Internet in the past 10 days to provide you with a detailed pest control guide to help you store food scientifically.
1. Main causes of insect infestation in food
The main reasons for grain infestation include environmental humidity, temperature, unsealed storage containers, and quality issues with the grain itself. The following is a specific analysis:
| reason | illustrate |
|---|---|
| humidity | When the humidity is higher than 70%, the grain easily absorbs moisture, providing conditions for insect eggs to hatch. |
| temperature | When the temperature is 25-30°C, insect eggs are most active |
| storage container | Unsealed containers allow pests to invade |
| Grain quality | New grain is more susceptible to insects than old grain because of its higher moisture content. |
2. Effective methods to prevent grain pests
To address the causes of grain infestation, the following measures can be taken:
| method | Operation steps | Effect |
|---|---|---|
| Low temperature storage | Put the grain in the refrigerator (below 5℃) | Inhibit insect eggs from hatching |
| Desiccant moisture-proof | Place food grade desiccant in storage container | Reduce humidity and prevent mildew |
| Keep sealed | Store in vacuum-sealed bags or glass jars | Keep out air and pests |
| natural insect repellent | Add peppercorns, garlic or dried chili peppers | Using scent to repel insects |
| Dry regularly | Spread the grain out to dry for 2-3 hours on a sunny day | Kill insect eggs and reduce moisture |
3. Insect prevention techniques for different grains
Different types of grain need to pay attention to different details when storing:
| Grain types | Pest Control Tips |
|---|---|
| Rice | Add peppercorns or dried kelp and change it once a month |
| flour | Freeze for 48 hours and then seal and store |
| beans | Blanch in boiling water for 10 seconds, then dry and store |
| Grains | Store with bay leaves |
| cereals | Screen to remove impurities before storage |
4. Evaluation of popular online pest control methods
Recently, many anti-insect tips have appeared on the Internet. We have conducted scientific and practical evaluations on these methods:
| method | Evaluation results | Things to note |
|---|---|---|
| Liquor pest control method | Effective, but needs to be replaced regularly | Put a cotton ball in the mouth of the container and dip it in white wine |
| freezing method | The most effective, 100% killing rate | Need to be sealed to prevent moisture return |
| Plastic bag exposure method | Have a certain effect | May accelerate plastic aging |
| vacuum packaging | Effective for a long time | Requires professional equipment |
5. Suggestions for long-term storage of grain
For grains that require long-term storage, the following comprehensive measures are recommended:
1.preprocessing: Newly purchased grain should be dried or frozen first
2.hierarchical storage: Pack according to consumption frequency to reduce the number of openings
3.environmental control: Keep the storage environment dry, cool and ventilated
4.Regular inspection: Check the food status once a month
5.first in first out:Use in order of purchase date
Through the above methods, we can effectively prevent food insects and ensure the safety and quality of food. Remember, prevention is better than cure, and good storage habits are key.
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