The main reasons for the inability of pear trees to flower are: First, the lack of pollination trees. Most varieties of pear trees are not self-cultivated. If a garden is planted with only one species, or if there is a pollination tree, the flowering period of the main planting species is inconsistent. Second, flowering temperature or frost. During the flowering period, the pollen grains fall on the stigma and do not easily germinate into the style, causing poor fertilization. In addition, insects are inactive at low temperatures, which seriously affects pollination. In the event of late frost, the stigma of the pistil is darkened. Although the flowers can still be opened, they cannot be fruited. It can be improved by cultivating the simultaneous pollinating tree, artificial pollination, or growing the estrogen with the Albit plant.
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
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.
Forensic Reagent Kits,Fluorescent Detection Kit,Y-Str Reagent Kit,Forensic Dna Identification Kits
Nanjing Superyears Gene Technology Co., Ltd. , https://www.superyearsglobal.com