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Control of stem borer in boro paddy

Control of Stem Borer in Boro Paddy

Paddy is the most important cereal crop in the world and an essential food source for millions of people. In Bangladesh, paddy is grown in three seasons, of which boro is the most important season. Boro paddy is grown from December to April, and it provides the highest yield.

One of the critical problems faced by the farmers during boro paddy cultivation is stem borer infestation. The stem borer is a destructive pest that feeds on the stem of young paddy plants, causing severe damage to the crop. The pest’s larvae bore into the stem of the plant, leading to stunted growth, reduced yield, and in severe cases, complete crop failure. Therefore, controlling stem borer infestation is essential for a successful boro paddy cultivation.

Here are some methods for controlling stem borer infestation in boro paddy:

1. Use of resistant varieties: The use of stem borer-resistant varieties of paddy is an effective way to control stem borer infestation. Several varieties of paddy have been developed, and farmers should opt for these varieties to reduce stem borer infestation.

2. Cultural practices: Cultural practices such as deep plowing, proper drainage, and timely irrigation can help to control stem borer infestation. Deep plowing can destroy stem borer pupae present in the soil, while proper drainage can prevent the accumulation of water in the field, which can be a breeding ground for the pests.

3. Biological control: Biological control involves the use of natural predators or parasites of the stem borer to control their population. One of the efficient biological control agents is Trichogramma wasp, which lays eggs on the eggs of the stem borer, and the larva of the wasp feeds on the stem borer eggs.

4. Chemical control: The use of chemical pesticides is another method for controlling stem borer infestation. Chemical pesticides should be used judiciously and only when all other methods fail. The application of insecticides should be carried out at the appropriate time to control the stem borer effectively.

In conclusion, stem borer infestation is a severe threat to boro paddy production, and its control is essential for a successful crop cycle. The use of resistant varieties, cultural practices, biological control, and chemical control are effective ways to control stem borer infestation. Farmers should adopt these methods to minimize the damage caused by stem borers and get the maximum yield during boro paddy cultivation.

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