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Chemical resistance to rust ticks
According to the author's many years of practical experience, chemical control of orange rust ticks, the effect of better agents are: 20% eradication of the emulsion 2000 times solution; 35% killing scorpion or konjac more 1500 to 2000 times; 50% ethyl sulfide Phosphorus 1500 times; 65% zeosyn zinc wettable powder 600 times; 40% water phosphathiocin 1500 times. The above agents are used interchangeably or 2 to 3 agents are mixed and used. Spraying 3 to 4 times during the entire period of damage of the rust mites, especially in July, August and September, should be sprayed once a month to ensure no leakage of fruit. The back and the leaves of the leaves should be evenly sprayed. Only in this way can a good control effect be achieved. At the same time, attention should be paid to the occurrence of severe orange orchard in the rust wall nip. During the period of activity (from March to September), lime sulfur should not be sprayed. Otherwise, the occurrence of rust wall blemishes is greater and the damage is heavier, which is not worth the candle.