Corn will have purple seedlings

There are many reasons for the occurrence of red seedlings. The main ones are summarized as follows. One is the lack of phosphorus in plants. Phosphorus in the soil can not meet the growth needs of maize seedlings, and the growth of roots is hindered, and seedlings grow slowly. As the content of phosphorus in seedlings gradually decreases, the leaves turn red or purple from dark green. The second is the accumulation of water in the fields. Poor field drainage and high soil moisture affect root respiration and metabolism. Root growth is hindered, leading to malnutrition and reddish purple. The third is the damage of underground pests. The roots of the seedlings were bitten by underground pests, and their ability to absorb water and attract fertilizers became weaker, resulting in weaker seedlings and the formation of red seedlings. The fourth is phytotoxicity and insect pests. Pharmacological damage, insect pests and other diseases cause the metabolism of corn seedlings to be hindered, resulting in a large number of anthocyanin glycosides, resulting in the formation of purple-red seedlings. Fifth, other reasons. For example, the soil is too viscous, sowing too deep or shallow, and improperly applied fertilizers cause “burning seedlings”. Poor chemical treatment causes seedling poisoning, etc., which can cause purple seedlings.

Prevention and control measures: 1. Early application of phosphate fertilizer, mainly quick-acting phosphate fertilizer, applying 10 to 15 kg of calcium phosphate per mu; it can also be combined with pest control spray of 1% of superphosphate soaking liquid; 2. Leveling land, digging drainage ditch , so that the rain stopped drying, the field does not accumulate water. 3. Do a good job of prevention and control of underground pests, so as to soak seeds or seed dressings, it is best to use coated seeds. 4. For sowing shallow or early seedlings, timely watering, cultivating soil loose soil to protect strong seedlings.

If red seedlings have already appeared in the field, the potassium dihydrogen phosphate may be sprayed 300 times with 2 to 3 times, once every 3 days, or 1% superphosphate solution (serum) may be sprayed. It should be reminded that potassium dihydrogen phosphate must be used as a genuine product. At present, there are many very cheap potassium dihydrogen phosphates on the market. It is actually magnesium sulfate. Farmers must be careful when purchasing.

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[Package Dimension] 6cm×8cm 4pieces/box
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[How To Use a Patch]
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[Attention]
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[Storage Conditions]
Store below 30c in a dry place away from heat and direct sunlight.

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