In order to minimize the damage caused by summer grain pests and diseases. Let us explain the effective prevention and control measures of several diseases.
   First, rust
   Tianmai should use enough base fertilizer to apply top dressing early to prevent heavy application of nitrogen fertilizer. During the growth and development of wheat, when there are sporadic diseased leaves in the wheat field, it is necessary to timely use the chemical control. Agent may be selected fifteen percent per acre 100 g of triadimefon, or twenty percent or 100 captan Ray trifloxystrobin tebuconazole 45 ml of water was added 45 kg to spray.
   Second, wheat powdery mildew
   When the rate of diseased leaves in the wheat field is 1%, the spraying is carried out, and the drugs used in the prevention and treatment are similar to rust.
   Third, the locust
   Each acre can use 70% of the stabs about 3.6 grams or 50% of the anti- Poly 20 grams or 20% of the wipes emulsifiable concentrate 30 ml to 40 ml of added water 45 kg spray .
   Fourth, cotton aphids
   Cotton aphids are omnivorous pests. In addition to causing damage to wheat, the damage to various crops such as broad beans and vegetables is also increasing each year. When using the agent for prevention field occurs 5-6 larvae amount of one hundred, for prevention period of 2 - 3 best age. Use an average of 2.5 percent of the Kung Fu 100 ml or 50 percent of the phoxim 100 ml per mu or 20 percent of the anti-sweeping 60 ml of the live 60 ml or the giant thunder. 60 ml of fresh water was added to spray 45 kg.
   5. Liriomyza
   The use of Liriomyza sativae in the field of beans, vegetables, and potatoes, the degree of damage to crops is also increasing each year. It is necessary to keep the garden clean, remove the weeds in the fields and ditch, and concentrate them to burn the dead branches and reduce the insect source. When sporadic hazards occur in the farmland, the pesticides should be immediately controlled. Each acre can be sprayed with 8% of avermectin 60 ml or 50% of chlorfenapyr 30 g with 45 kg of water . Shi.
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