Mushrooms to prevent pests and diseases in autumn

White dew and autumn equinox were in September. It was a cool autumn rain. This month, we must pay attention to prevent the autumn cold from cooling, and prevent the damage caused by autumn autumn rain. In the north, the winter wheat is sown. Rape seedlings were sown and crops such as peanuts, sesame, and corn began to be harvested. Autumn vegetables timely planting, nursery, planting. At the same time, good livestock breeding and autumn disease prevention work. In view of the growing planting area of ​​edible fungi in our province, we remind farmers here that we must pay attention to the control of pests and diseases in the cultivation of edible fungi in the fall. 1. Lesion type is dominated by brown spot. There are white hairy hyphae on the surface of fruit body and small spots of ocher. On the top of the mushroom, the mail is shrinking, and some of the mushroom caps are chapped; others are mainly rust spots, and rust-colored spots appear on the mushroom handles and mushroom covers. The main reason is that the humidity in the shed is too large and the ventilation is poor. 2, malformations mainly in the slender mushroom stems, roots developed and thick. The main reason is the lack of oxygen in the greenhouse or poor ventilation. 3. The mushroom-like mycelium produced a large amount of airborne mycelium in the surface of the mycelium, causing the mushroom to appear in a state of leggy. This phenomenon is mainly caused by excessive humidity in the greenhouse, which affects the normal growth of the mushroom. For these several different types, the following measures should be taken to prevent the occurrence of mushroom diseases. First of all, in the cultivation, do not take too much water and control the humidity in the shed. When the humidity is too high, it must be promptly released. In addition, we must pay attention to the purification and rejuvenation of the strains, and sterilization and sterilization of the plants. In addition, some flat mushrooms are harmed by aphids (star spiders), which are mainly manifested in the damage of mycelia and fruiting bodies of flat mushrooms. Individual caps and pleats were also compromised, resulting in the appearance of many yellow concave spots on the surface of the flat mushroom, affecting the quality and appearance of the mushroom. In addition, in the production of Pleurotus ostreatus, the species fly hatches a large number of larvae (also known as quail) after spawning at the base of Pleurotus citrinopileatus, damaging various parts of the Pleurotus ostreatus. Control methods Whether Starscream or flies, they can be sprayed with 18% of Zelkova 400-600 times or 4% of Green Treasure 400-600 times.

ELISA Analyzer

Processing high-throughput samples, intelligent reuse for large-capacity publishing, work surface: 200cm, 8 sample injection needles, 12 temperature-controlled incubation positions, 12 room temperature incubation positions, 32 plate storage positions, Sunrise microplate reader, HydroFlex plate washer, up to 512 specimens, sequential loading of samples, reagents, microplates Parallel loading of up to 6 plates for fast dispensing.

The automatic enzyme immunoassay analyzer is based on the principle that the enzyme and the substrate can produce a color reaction, the absorption lines of different substances have different characteristics, and strictly abide by the Lambert-Beer law, quantitative and qualitative analysis of substances. instrument. The method of analyzing the content of various enzymes such as antigen or antibody generally mainly adopts colorimetric method. In practice, spectrophotometry is the basic working principle of an automatic enzyme immunoassay analyzer. The light emitted by the light source lamp becomes a beam of monochromatic light after passing through a filter or a monochromator. The monochromatic light beam passes through the sample to be tested in the microtiter plate, and part of the monochromatic light beam is absorbed by the sample and reaches the photodetector. The intensity of the light signal projected on it is converted into the magnitude of the electrical signal by the photodetector. This electrical signal is processed by pre-amplification, logarithmic amplification, analog-to-digital conversion, etc., and then sent to the microprocessor for data processing and calculation, and the test results are output by the display and printer. The microprocessor completes the movement in the X and Y directions of the mechanical drive through the control circuit.
The automatic enzyme immunoassay analyzer adds the sample to the microwells of the pre-coated antigen or antibody microtiter plate, washes after the reaction, removes the unseparated ligand, then adds the enzyme isolate, after incubation, washes again , remove the unseparated compound, and then add the enzyme substrate, after the reaction, the colored final product is formed, and the stop solution is added to stop the reaction. The absorbance of each microwell of the microtiter plate is read by the wavelength that has been set by the spectrophotometer. The concentration value of the analyte in the sample is calculated by the absorbance value of the sample and the standard curve, so that the quantitative result can be obtained, or the absorbance of the sample is compared with that of the standard product, so that the positive or negative qualitative result can be obtained.

ELISA analyzer,enzyme immunoassay workstation,automatic enzyme immunoassay analyzer,automatic enzyme immunoassay system

Jilin Sinoscience Technology Co. LTD , https://www.jlgkscience.com