Spraying special azole to treat wheat root rot

October 02 00:01:32, 2018

Is a wheat root rot fungal diseases caused by imperfect fungi Helminthosporium fungal infections caused by. Bacteria lurking in the seed and soil, residues strain can survive with 1 to 1.5 years, the whole growth stages may be the disease, early root of wheat germ and seedling dye hazards, spread by wind and rain re-infestation, wheat injured after flowering most important, the roots produce brown or black spots, finally rotting, diseased performance of "false signs of drought", a "dry white ear", into a piece of dry death.
Root Rot Disease, a serious plot to change crop rotations 1 to 2 years, chemical control measures to be taken, "a rule that happen, happen a whole rule blocks". Particular attention to the following aspects: 1. After tilling 50% thiram 667 square meters per 1.5 to 2 kg, mixed with fine soil (sand) 20 kg spraying. 2. Before planting, 0.03%~0.04% of the amount of seeds was used to mix the wheat with wheat, and combined with the prevention and treatment of sheath blight, sprayed with 2.5% of the specific azole 2500 times. Compared with the control field, the secondary roots increased by 5-8, the number of tillers increased by 0.5~2, the plant height decreased by 5.2~12 cm, the root system was developed, the stems were thick and not lodging.
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