The clodinafop ester is registered for the control of grassy weeds in wheat fields. The recommended dosage per hectare of pure wheat in winter wheat is 45-75 grams, and no more than 75 grams. That is, the recommended amount of pure medicine per acre does not exceed 5 grams (equivalent Use 8% clodinafop-propellant (62.5 ml per acre). The medicine has high safety to wheat seedlings. Even if it is used in the low temperature period, it is better for the safety of wheat seedlings and can exert better herbicidal action.
When clodinafop-propargyl is used too much, it will cause phytotoxicity to the wheat seedlings, and the greater the dosage is, the heavier the injury will be. In the peak period of wheat seedling tillage, when the growth is normal, the dosage of pure clodinafop-propargyl ester is less than 6g, which is safe for wheat seedlings; the use of pure medicinal mu exceeds 6g, and the safety of wheat seedlings will be reduced, which will cause the growth of wheat seedlings to be inhibited; When the amount of mu is more than 7.5 g, the growth of wheat seedlings is obviously inhibited, which can cause the yellow leaves of wheat seedlings to appear yellow. When the amount of pure mu is more than 9 grams, the wheat seedlings will be severely poisoned and serious seedling emergence. The wheat leaves will be severely yellow and the root growth will be obstructed. When wheat seedlings are damaged by drought, water stains, and other hazards, the tolerance to clodinafop-propargyl esters will be reduced. The use of wheat seedlings in the normal dose may be adversely affected, and sometimes severe phytotoxicity may occur, even resulting in dead seedlings.
The use of 8% clodinafop-propargyl emulsifiable concentrate 160 ml per mu, equivalent to 12.8 grams of pure drug per acre, the amount of medication is large, easy to cause serious injury to the wheat seedlings, and even die. Breeding the victim wheat seedlings with 0.136% erythrazine WP, humic acid and other fertilizers can promote the recovery of the wheat seedlings.
Urinalysis strip is a strip that tests for bilirubin, urobiligen, ketone bodies, ascorbic acid, glucose, proteins (albumin), blood cells, PH, etc.
1. Dip the test paper into the fully stirred fresh urine and take it out in time;
2. Put the test paper on the edge of the container to drop excess urine or put it on a paper towel to suck away excess liquid to reduce interference.
3. Judgment:
(1) in the time specified on the color code and the standard color code for color, judgment and read the results;
(2) For the operation of the instrument, please refer to the manual of the Urine Analyzer used.
4. When the test paper is visually tested, the reaction results are valid for interpretation within 60 seconds, and the interpretation beyond 60 seconds is invalid.
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