Corn smut and corn smut prevention and control method
Corn smut is what is called Umi, and corn smut is only harmful to tassels and ears, so that the diseased plants have no harvest. The corn smut is mostly formed in the lower part of the stem. Due to the stalks, ears, tassels, leaves and other young parts of the pathogen, the black powder tumors that are formed consume a large amount of plant nutrients or cause the plants to be sturdy. This can result in yield losses of up to 30-80%. Control method: 1. Choose resistant varieties. 2, the implementation of rotation for deep tillage, deep turn, the application of sterile net fertilizer, 3. Sowing at the right time to create conditions conducive to seedling unearthing 4, chemical control, must use the coating agent coating technology, resolutely put an end to white seed, the seed coating can not only prevent smut, but also effectively control underground pests (è¼è›„, 蛴螬, golden worm) and seedling diseases At present, the best chemical agent for good control should contain thiram, carbofuran and triazol. 5. Pull out the diseased plants and eliminate the source of sterilization. Before and after the heading of the corn, strengthen the inspection, and strive to completely cut off the diseased white film before it is broken, and bring it out of the field to be buried or burned. For seedlings that exhibit symptoms during the seedling stage, the seedlings should be combined to eliminate the diseased plants.
A laminate lighting system is a special lighting technology used to provide lighting effects for display and display devices such as laminates and display cabinets. Laminates are usually made of transparent or translucent materials, such as glass, acrylic, etc., to display products or items.
Laminate lighting By installing lamps under or on the side of the laminate, the light shines directly onto the laminate, achieving the highlight of the display items and creating an attractive effect. Common lighting methods include:
Laminate backlight lighting: The light is installed behind the laminate, and through the transparency of the laminate, the item shows a bright and uniform effect under the illumination of the light. In this way, the display items can look more vivid and eye-catching.
Laminate sidelight lighting: The light is installed on the side of the laminate, so that the light comes in from the side, through the refraction and reflection of the laminate, evenly illuminating the display items. In this way, the texture and details of the item can be highlighted, enhancing its attractiveness.
Laminate point lighting: The use of small, high-brightness lamps to focus the light on a specific location to highlight the focus or specific part of the display item. This is often used to highlight a product or specific detail to create a unique visual effect.
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