New Progress in Potato Genome Project
According to the International Potato Genome sequencing Association (thePotatoGenomeSequencingConsortium,PGSC), the Dutch government will spend 3 million euros (about $3.6 million) to sequence the first potato chromosome and complete the potato genome (840Mb) sequencing in 2010 in cooperation with other national scientific organizations, in order to make a contribution to the future global food supply.
PGSC was originally initiated by NGI (theNetherlandsGenomicsInitiative) and WageningenUniversity and the Research Center, with research teams from 16 different countries, mainly receiving the task of potato full DNA sequencing, including Brazil, Chile, Peru, Canada, the United States, Denmark, France, Ireland, Poland, Turkey, the United Kingdom, Russia, India, China and New Zealand.
The potato genome consists of 12 chromosomes, and each research team has selected different chromosomes. In order to give each research team a high starting point, researchers at Wageningen University have made many preparations in advance, such as DNA database, 12 chromosome maps and so on.
Many governments and countries have invested a lot of money on the path of genome sequencing to explore the most fundamental mysteries of life, such as human genome research. The United States has invested a total of $2.7665 billion in 13 years (at constant prices in 1991). The Ministry of Science and Technology of China and the National Natural Science Foundation of China have also invested about $10 million in the sequencing of domestic pig genomes in cooperation with Denmark. It is hoped that these inputs can achieve their due value.
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Mechanized soil cultivation Technology of Potato
At present, it is in the middle tillage stage of potato planting. In order to guide the production of agricultural machinery, the matters needing attention and fault maintenance of potato mechanization are introduced as follows: first, the adjustment method (take 3ZF-4 as an example) 1. Line spacing adjustment. Line spacing adjustment of type 4 potato ploughing and fertilizing machine: based on the center line of the front crossbeam of the cultivator, loosen the fixing screws on the main beam of the single connection of the two sides of the fertilizing machine, move the single unit of the fertilizing machine, and measure the distance between the two adjacent shovels to the desired ruler.
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Potato Ji Chengshu No. 1
Main characters: erect plant type, medium number of branches, plant height 50~60cm, stem green, strong growth potential: green leaves, medium hairs, large compound leaves. The leaf margin is spreading, the lateral leaflets are 4 pairs, the arrangement is medium, the inflorescence peduncle is green, the peduncle node is colored, the Corolla is light purple, the petal tip is colorless, the Corolla is large, no double petal, purplish red, the tip is pointed, light purple, medium hairy, etc.; the tuber has a long dormant period and is resistant to storage. Late ripening, birth days about 120 days; excellent steaming quality; processing quality: dry matter 20.2%, starch 12.2-16.
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