Shandong spring rain Water-saving Irrigation Equipment Co., Ltd., founded in 2011, located in Laiwu High-tech Zone, Jinan City. It is a high-tech enterprise focusing on innovative and efficient drip mold manufacturing and drip product development and production. After nearly ten years of innovation and development, now our company is the invisible champion enterprise in Shandong Province, and in a leading position in this field in China.
Our company people-oriented, build talent highland. At present, our company have 16 high, fine and advanced technical person, and cooperates with a number of scientific research institutes, forming a mold design, drip testing, flow rate testing and other professional technical personnel team. In recent years, we have obtained 3 invention patents, 33 utility model patents and 3 patent awards. In 2019, we were identified as an intellectual property advantage enterprise in Jinan city. We have undertaken 4 provincial science and technology innovation projects and won second prizes of Shandong Science and Technology Progress 2 times. Our company have built a drip mold engineering technology research center of jinan city, we have slow wire cutting machine, CNC machining center, precision EDM machine, 3D projection measuring instrument, CNC engraving, laser engraving and other advanced processing equipment. Mature technology and rich experience support the excellent quality of our company. Spring Rain pays attention to each link of production, implements 8S management, strictly controls the quality of products at the beginning, the middle and the end, and forms the seamless link of production and management. Our company have independently researched and developed flat drip molds with full hot runner, round drip molds with full hot runner and other products. With excellent quality, competitive price and good after-sales service, our company is well known at home and abroad, and has been sold well in Egypt, India, Iran, Turkey, Saudi Arabia, the United States and other countries
With the vision of "building a global professional drip mold supplier" and the mission of "providing solutions for efficient and innovative production of global water-saving irrigation enterprises", our company take "scientific and technological innovation to scale new heights; Keep improving, the pursuit of excellence; Honesty and trustworthiness, win-win cooperation "for the values of our enterprise. We try our best to make a positive contribution for the construction of water - saving and resource-saving society.
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The occurrence of Sclerotinia sclerotiorum is very widespread and the incidence is heavier. It can cause stem breaks, discs and kernels of sunflowers to decay. It poses a great threat to sunflower production. The common root rot, stem rot, leaf rot and flower rot 4 Among these types, root rot and flower rot suffer heavy damage. The flower rot disease manifested itself as a flower disk. After the damage, a immersed lesion appeared on the back of the dish, and later it turned brown and rot. The white mycelium grew and spread between the achene and the fruit pedicle, forming a black sclerotia. The flower disk rotted and fell off. Can't mature. The lightly damaged flower discs have small seeds, dullness, bitterness, and exfoliation of the epidermis. Most of the seeds cannot germinate.
Prevention and control measures: At the beginning of the establishment of the plate, the use of agents such as quick-release, sclerotia, Nongliling, Rhythm, or carbendazim can be used for spray control, and the back of the disk is mainly protected. As the late sunflower plant is tall and the spraying operation is difficult, it is also possible to take measures to reduce the humidity of the field after the rain.
2. Sunflower sunflower
Sunflower worms and adult larvae can be harmful, and adult worms occur from late July to early August. Adults spend 8 to 9 o'clock in the evening, focusing on feeding and laying eggs in sunflower fields. In early August, the eggs hatched as larvae, feeding seeds, often biting the disk into many tunnels, and spinning silk net; in the rain often make the disk rot, reducing the yield and quality of sunflower.
Prevention and control measures: In the full flowering period of sunflower, larvae do not invade into the seed before the spraying of trichlorfon, the control effect is more than 90%, but harmful to the bees, resulting in more empty shells, so it should be used with caution, but also can choose biological agents, such as BT emulsion diluted spray disk. In regions where the hazards are heavy, to prevent adults from becoming dominant, combined with control of larvae, in late July and early August, the adults were flocked with dichlorvos or dichlorvos smoke agents.
Sunflower Disease and Pest Control Technology
Helianthus sclerotiorum