Q: The 153****8148 mobile phone sent a text message on December 25, 2015: I am Taixing. I plant 1000 mu of wheat now in the 3-leaf stage. I would like to use 50 grams of fluoxyl per mu and add the Hummer 50. Exclude Gramineae and Broadleaf, are you? What is the best recipe?
A: The “Hummer†mentioned in the text message should be 69 g/L of spermidine, which is commonly used in small wheat fields. It is suitable for control of many grass weeds and has a small age of grass. In the period of 2 to 4 leaves, 50 to 60 ml can be used per acre. When the grass age is increased, the dosage should be increased appropriately. At present, Taixing and other places have a large number of weeds, such as strong grasses that have high tolerance to fenazofopoxuron, Japanese amaranth, hard grasses, and bluegrass, and the control effect of the drug is extremely unstable.
Fluroxypyr is also commonly used as a herbicide in wheat fields and can be used in combination with ferbazol and oxazapine. The text message does not indicate the active ingredient content of the product used. If the content is 200 g/L, 30-50 ml per mu will be used to effectively control the weeds and other sensitive weeds in low-age stages. At present, Taixing and other places have a large number of populations such as chives, which have strong resistance to the drug, and the effectiveness of these weeds in the field is unstable.
The text does not describe the main weed species in the field and the growth status of the wheat seedlings. It is not possible to provide targeted herbicide treatment programs.
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