Turfgrass has received more and more attention from people in landscaping projects. In the establishment and management of lawns, the prevention and control of weeds and diseases is a major problem for lawn workers. After years of research, the Lawn Research Institute of Shandong Agricultural University screened and combined a series of herbicides and fungicides for turf from numerous herbicides and insecticides.
Herbicides for lawn
1, grass turfgrass net. This product is a selective pre-emergence herbicide
The main control grasses and some broad-leaved weeds, valid for 45 to 60 days, but the bentgrass class lawn with caution, other types of new lawn after pruning can be used to avoid harm to the turf. Method of use: Use a small amount of water to dilute, mix in a small amount of sand, and then mix well. Then put it in dry sand (50 kg of sand per acre). Mix well and spread evenly into the lawn. Sprinkle water immediately to make the medicine closed. ground. 150 to 200 ml per mu.
2, turf broad-leaved net. This product is a selective post-emergence herbicide that can control more than 40 broad-leaved weeds and is best used in the weeds at the 3 to 5 leaf stage. 150 to 200 ml per mu, diluted 500 to 600 times spray. This product must be used when there is no wind, so as not to drift to the surrounding shrubs, flowers and crops, and use caution when the temperature is below 10 °C. Within 24 hours after spraying, it rains heavily. This product is a certain hazard to the lawn seedlings, the new lawn can be used after pruning.
3, the lawn swept away. This product is non-selective systemic herbicides, and the best results are obtained when using weeds with 4 leaves. For a year or two weeds, 500 to 700 ml per mu, diluted 800 to 1000 times spray. For perennial weeds and broad-leaved weeds, use 1,000 to 2,000 ml/mu, dilute 500 to 600 times, and spray within 8 hours after application. There are three ways to use this product: First, it can be used to kill all weeds before sowing the lawn. The second is that for some lawns to be eliminated, this product can be used to clear the new lawn. Third, weeds that are more difficult to remove can be removed with this product. Use this product should not be sprayed on non-target plants.
Lawn special fungicide
1. Turfgrass disease. Can prevent the treatment of cold-season turf spot disease, money spot disease, night spot disease and Pythium wilt. Use before or during the onset of the lawn. 150 to 170 grams per acre, diluted 600 to 700 times spray.
2, lawn disease is clear.
Pythium wilt disease, summer spot disease, money spot disease, and spot disease, which are mainly used to treat cool-season turf, are used in the early stages of lawn disease. 200 grams per acre, diluted 500 to 600 times sprayed, sprayed once in 7 days, and sprayed three times.
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