Articles

Around the time of Qingming Festival, rainfall is abundant and humidity is high in orchards. Growers need to be alert to the threat of snails, slugs, and other mollusks that gather in groups and reproduce continuously, which causing damages. Snails have strong reproductive ability and a long period of damage, and their diet is diverse.

With the arrival of spring, as temperature gradually rises and rainfall becomes abundant, while these promoting the growth and development of crops. However, weeds in the fields also enter their active growth period, and the peak period of weed damage in spring is about to appear.

During tobacco cultivation, pest and disease infestations are unavoidable. If effective control measures are not taken in time once pest and disease infestations occur, they will result in reduced income from tobacco cultivation.

Downy mildew is the most common and most harmful disease in production. It occurs in every planting area in China, especially in the rainy and humid seasons. It has the characteristics of great harm, rapid outbreak, and being difficult to be controlled, etc.

Wheat scab is a common and important disease in the main wheat cultivation areas, in recent years, with the climate change and the increase of straw returning to the field, it shows an increasing trend year by year. After this disease occurred, the infected wheats showed obvious symptoms such as seedling dead, ear rot and stalk rot, which resulted in reduced yield and wheat quality, and caused a serious threat to wheat safety production.

Red spider mites are common pest on flowers, which often gather on the back of flowers, they spin silks and weave webs to harm flowers. Due to the small size, it is difficult to find out with naked eye in the early stage, and flowers have been badly damaged when red spider mites are found.

At present, autumn sowing of wheat is being carried out, reasonable use of herbicide for blocking weed after sowing and pre-emergence of wheat can greatly reduce the base number of weeds, reduce the symbiotic damage of weeds in the seedling stage of wheat, ensure effective tillering of wheat, and reduce the application amount of post-emergence herbicide, and delay the development of pesticide resistance.

Due to high temperature and rain, weeds are growing rapidly in maize field, weeding should be done in time.

Recently, temperatures have risen quickly, and overwintering pests and diseases have started to emerge. Seizing the favorable opportunity in early spring to implement pest and disease prevention and control measures is the foundation for controlling pest and disease damage throughout the year.

Aphids are a type of phytophagous insect, and there are about 4,400 species in 10 families. About 250 of them are serious pests for agriculture, forestry, and horticulture, making aphids one of the most destructive pests on Earth.\nThe harm caused by aphids can be direct or indirect. Direct harm is caused by adult aphids piercing and sucking plant sap, resulting in leaf curling, stem twisting, and necrosis of the growing point, leading to reduced yields.