What should be paid attention to in seed dressing with powders and pesticides
Powder pesticide seed dressing should pay attention to what? Please introduce the use of powder pesticides such as triadimefon, luheng 2, gragolide, thiram, seed dressing, etc. For example, corn can be treated with triadimefon 325~400g per 50kg of seeds; sorghum can be treated with triadimefon 130-170g per 50kg of seeds; cucumber blight can be controlled with 50% thiram WP, 0.4% of seed weight; Luheng No.2 WP seed dressing, 4- 5 g per kg of melon seeds, can effectively control latent fungal diseases on seeds. It is best to use a special seed dressing device to dress seeds. The medicine and seeds are weighed according to the proportion and poured into the seed dressing device. It can be mixed evenly for 10 minutes each. In the case of no seed dressing device, plastic bags can be used instead, pesticides and seeds are poured into the bags, the bag mouth is tightened, and the bag can be swung back and forth 50 times. When using this method, pay attention to the plastic bag should not be too large, the amount of seed should not exceed 2/3 of the bag length, in order to facilitate operation and ensure the quality of seed dressing. Click for more pesticide application techniques Click for more pesticide application techniques
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Which pesticides cannot be used in fruit trees
Which pesticides cannot be used in fruit trees? Please guide the following introduction that pesticides are not suitable for fruit trees: ammonium phosphate: peach trees are prohibited. Methyl dichloride: it is prohibited in all kinds of fruit trees. Dichlorvos: drupe fruit trees are prohibited. Dimethoate and omethoate: peaches and pears are sensitive to liquid dilution less than 1500 times.
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How to use herbicides after wheat emergence?
How to use herbicides after wheat emergence? Please guide and summarize the experience of chemical weeding in wheat fields. Different wheat seedling conditions and subsequent crops should be distinguished, and different chemical herbicides should be selected. The following herbicides can be selected: wheat alkynyl ester, that is, 15% alkynyl ester wettable powder. Mainly control a variety of crops.
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