Barley stripe control
Barley streak disease, also known as streak disease, is the primary source of infestation of the disease, mainly because of seed disease. Therefore, taking good seeds is the main measure for prevention and control.
First, seed treatment:
1. Soak 30 kg seeds with 1% lime water. When soaking seeds, keep the seeds submerged under water, generally 10 to 14 cm higher than seeds. The calcium carbonate film formed on the surface of the water has a bactericidal effect against air suffocation and cannot be broken. Seed soaking time, different with the water temperature, water temperature 30 degrees Celsius, soak 1 day; 27? 28 degrees Celsius, soak 2 days; 20? 24 degrees Celsius, soak 3 days. After the seed is treated, sow it dry, or store it in full dryness.
2, warm soup soaking, with 53? 54 degrees warm water for 5 minutes, 52 degrees Celsius soaked in warm water for 10 minutes, soaked after the wheat seed drying. 3. Soak with 5% soap water (ferrous sulfate solution). With saponin 2.5 kg water 50 kg, each 50 kg liquid can be immersed seed 30 kg or so, the liquid higher than the seed 6? 10 cm, soaking for 6 hours, each liquid can be continuously immersed 4-5 times. After the seed immersion Do not rinse with water, so as not to reduce the efficacy.
Second, strengthen the cultivation and management of winter barley appropriate early sowing, shallow sowing, full base fertilizer, and do a good ditch drainage, can reduce the incidence of barley before the removal of diseased plants. After wheat harvest, deep plowing, to reduce the source of bacteria.
Third, the use of disease-free seeds in disease-free fields to retain species, cultivate disease-resistant and high yield varieties.
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