Summer soybean plants are small and have a short growing period. In order to obtain higher yields within a limited period of time, field management should be based on promotion and achieve “three mornings and two coincidencesâ€. 1. In the early morning, the seedlings were kept short and the seedlings of the summer soybeans were short-lived. When the height of the mu is 3 cm, combined with the seedlings and seedlings among the cultivators, the density of the seedlings in the Mu will be slightly larger than 30,000, and the seedlings and the Dingmiao will be completed once. 2. Early and mid-growth Summer soybeans have high temperatures during seedlings, high rainfall, short seedlings, and small ground coverage. Therefore, early cultivators should be used during seedling stage to remove soil compaction, keep the soil loose and soft, prevent grass shortage, and promote seedling growth. Cultivating 2-3 times in general requires the end of flowering. 3. As early as fertilizer, after soybean flowering, it enters into the stage of vegetative growth and reproductive growth. The amount of water needed for fertilizer increases rapidly. Therefore, 7-10 kg of urea should be applied during the initial flowering period. If it is found that the growth of soybeans is slow and the leaves are small and dark, the topdressing time can be reported as early as 7-10 days. It is advisable to fertilize 10-15 kilograms per mu. For P-deficient plots, 25 kg of superphosphate can be applied during the flowering period. Flowering and poding period can be used for weak seedlings can be used 0.3% solution of dihydrogen phosphate spray, Wang Miao can be used for multi-effect sigh 200 mg / kg liquid spraying, can increase production. 4. In the sowing and sowing of soybeans, we often encounter hot and dry weather. The land with irrigation conditions can be properly watered to keep the soil moisture at about 20%. In the flowering stage, timely watering, so that the soil moisture is maintained at about 30%, is conducive to improving production. 5. Cleverly prevent pests and diseases from flowering, kill with enemy or kungfu 1000 times solution 75-100 kg/mu, spray 2-3 times, prevent soybean borer, every 7-10 days; use killer or killer alcohol 1000 times solution 30 kilograms per mu for control of spider mites in gray spot disease 70% thiophanate-methyl can be sprayed at 60-100 g per mu.
YESU Y41SE Fluorescent Detection Kit
1. The six-color fluorescence detection platform amplified 40 Y chromosome STR loci simultaneously, including 33 low mutation rate STR loci (mutation rate less than 1%) and 7 fast mutation loci (mutation rate more than 1%), a very low mutation rate Y INDEl Forensic Reagent Kits,Fluorescent Detection Kit,Y-Str Reagent Kit,Forensic Dna Identification Kits Nanjing Superyears Gene Technology Co., Ltd. , https://www.superyearsglobal.com
2. Y-str database is suitable for male pedigree screening and has strong individual identification ability. It contains all 35 loci which are required and preferred in Y database construction criteria.
3. Contains 12 mini-STR(loci with amplified length less than 220bp) to obtain more information from DNA degradation materials.
4, material compatibility, compatible with the direct amplification of most materials and the amplification of purified DNA
5. Rapid amplification, the theoretical amplification time was about 70 minutes.