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What are the chemical weed control methods for summer corn?
How is chemical weed control used in summer corn planting? Please note that the following methods can be referenced for weed control in summer corn planting: 1. Target weeds. According to a survey by the county plant protection station, the main weeds occurring in summer corn fields in our county include: field bindweed, goosegrass, purple nutsedge, crabgrass, purslane, foxtail, creeping thistle, volunteer wheat, etc. ...
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How to prevent and control mango powdery mildew? A detailed guide to practical methods
How to prevent and control powdery mildew when growing mangoes? Please explain the methods. Powdery mildew is an important disease of mango during the flowering period, affecting flower panicles, young fruit and tender leaves. It occurs in producing areas in Guangdong, Hainan, Yunnan, Guangxi and other parts of China. It has also been reported in India, Pakistan, Brazil, South Africa, Australia, Sri Lanka and other countries abroad...
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Control Methods and Key Technical Points for Black Fruit Disease of Goji (Lycium barbarum)
Goji root rot is widespread and causes serious damage. Plants killed by the disease account for 3%-5% each year, causing great losses to goji production. According to research by Lu Zhankui and others at the Ningxia Academy of Agriculture and Forestry Sciences, root rot symptoms fall into the following two types: (1) Root decay type. Roots or the root crown show varying degrees of decay and peeling, and the stem...
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How to prevent and control wolfberry black fruit disease? These methods are very practical
Wolfberry black fruit disease damages the green fruit, flowers and buds of wolfberry, and also damages young shoots and leaves. From the early fruiting stage in early May to the late fruiting stage in mid-October, wolfberry can be infected by this disease. From May to June, when the daily average temperature is above 17°C, the relative humidity is around 60%, and there are 2~3 rainy days per ten-day period, the disease can occur in the field. From July to September, when the daily average temper...
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Control Methods and Technical Key Points for Goji Berry Anthracnose
Symptoms Goji berry anthracnose is commonly known as black fruit disease. It mainly damages green fruits, tender branches, leaves, buds, flowers, etc. When green fruits are infected, small black spots or irregular brown patches initially appear on the fruit surface. During continuous rainy weather, the lesions keep expanding, and half or the entire fruit turns black; when dry, the fruit shrivels; when humidity is high, many orange-red gelatinous dots grow on the diseased fruit; tender branches, leaf tips...
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What are the control methods for sunflower sclerotinia rot?
How do you control sclerotinia rot in sunflowers? Please provide guidance on methods. Sclerotinia rot in sunflowers is caused by infection with Sclerotinia sclerotiorum. In addition to damaging sunflowers, it also damages economic crops such as soybean, rapeseed, sesame and tobacco. It can occur at all growth stages of sunflowers, with more cases occurring after flowering. It mainly damages the stems and flower heads, becoming...
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What are the control methods for sunflower brown spot?
How do you control sunflower brown spot? Please give guidance. Sunflower brown spot, also known as leaf blight, occurs widely across our country. In the early stage it can cause seedling death, and in the later stage it often causes premature leaf death, greatly affecting yield. In the early stage of seedling infection, nearly round lesions form on the cotyledons or young leaves, with a diameter of 2-6 mm...
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What are the control methods for mango stem-end rot?
How to control mango stem-end rot? Please introduce mango stem-end rot, which is a fungal disease. It damages fruit during storage, causing fruit rot; when it damages branches it is called gummosis. Harvesting fruit after rain or when it is humid, and not leaving a fruit stalk, favors the occurrence of this disease. Control methods: 1) Clean the orchard in winter, and usually apply more lime...
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What are the control methods for mango weevil disease?
How to best control mango weevil disease? Please introduce. Mango weevil disease can be controlled by referring to the following methods: 1. The mango leaf-cutting weevil is widely distributed; adults feed on young mango leaves, causing the leaves to dry up; or females lay eggs on young leaves and bite the young leaves off from the base, affecting plant growth. Control methods: (1) During...
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Control Methods and Technical Key Points for Black Fruit Disease of Goji Berry
Black fruit disease is one of the major diseases of goji berry (Lycium barbarum). The pathogen damages the green fruit, flowers and buds of goji berry, and also damages young shoots and leaves. After the green fruit of goji berry is infected, small black spots or black patches or black net-like patterns begin to appear. On cloudy and rainy days, the lesions expand rapidly, turning the fruit black and producing orange-red conidial masses, making it unfit for medicinal use. ...
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