The mites were sprayed with 10% imidacloprid WP 1000 times, or 3% acetamiprid 1500 times.
Whitefly with 10% imidacloprid wettable powder 1000 times, or 3% acetamipridin EC 1500 times, or 2.5% bifenthrin cypermethrin 5000 times, or 25% wettable powder 1000 Times of liquid or 1.8% of avermectin cream 2000 times spray, spray 7 days, even spray 3 times.
Melon (Red spider) is sprayed with 1.8% Avermectin EC 3000x.
The ground tiger tiger vinegar was trapped and killed, and 90% of crystal trichlorfon 0.5 kg was added, and 8-10 kg of water was sprayed on the fried 40 kg cotton kernel cake or wheat bran to form a bait. The bait was withdrawn around the watermelon seedlings in the evening. Trapping kills larvae.
For the prevention and treatment of bait, first stir the bait (grain, wheat bran, bean cake, cotton cake or corn crumb) 5 kg, then use 90%
PCR ( Polymerase Chain Reaction)
It provides a way to make more copies of a portion of DNA.
We need to have PCR ingredients that include DNA portion, Buffer solution, Primer+DNA (tap polymerase), and Nucleotides during the preparation step.
In the step of PCR sequence, there are three steps in this section.
Step 1 Denaturation
The addition of heat is needed to separate the two strands of the DNA molecule.
Step 2 Annealing
Temperature, is going to be cool in this step, should allow the primers to bind to the specific segments.
Step 3 DNA Synthesis
To make more copies of the DNA.
Those three steps above keep repeating to make enough copies of the DNA fragments. It is the principle of how PCR machine works.
SARS-Cov-2, One test type that uses a sample from a nose or throat swab in a 'PCR test'. The goal is to make enough copies of the viral cDNA in order for it to be detectable.
Superyears General 2215 RT-qPCRadopts all-in-one with an industrial art design, combining the Analytical Instrument, Large touch screen, and Computer. General 2215 RT-qPCR is equipped with the proven thermal-cooled electric technology, which can recognize the speed rate of temperature control faster and obtain high-quality testing results within 40 minutes. To ensure the sensitivity and stability of the testing a design with traditional beam path with a susceptible CMOS image sensor is used. In addition, General 2215 supports multiple PCR analysis and High-resolution Melt Curve (HRM) analysis, compatible with the mainstream reagent kit in the market. It will be the best assistant and your preferred RT-qPCR.
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