加工型白皮洋葱引种栽培示范及效益分析

Profit Analysis and Cultivation Demonstration of Introduction and Cultivation of Silver Skin Onion for Processing

引进山东的白皮洋葱新品种＂白B2006＂,采用露地直播、育苗移栽及大田验证试验,对其产量、品质及经济效益进行分析。结果表明：栽植密度为3.0~3.5万株/667m2,产量可达2 400~3 500 kg,鳞茎干物质含量21.34%,粗蛋白含量0.88%,可溶性糖含量12.40%,VC含量10.26 mg/100g;干物质含量高于山东产地的同品种4~9个百分点。＂白B2006＂洋葱表皮洁白,风味纯正,适宜脱水加工,经济效益显著,可在柴达木盆地德令哈市推广种植。

Silver skin onion＇B2006＇ introduced from Shandong province was analyzed for its yield,quality and profit after trials of seedling cultivation in sunlight greenhouse and field planting,seedling transplanting and field test.The results showed that the yield could reach 2 400~3 500 kg with the growing density of 30,000~35,000 plants/667m2,the content of bulb dry matter,crude protein,soluble sugar and vitamin C was respectively 21.34%,0.88%,12.40% and 10.26 mg/100g.Compared to the same variety produced in Shandong,the content of dry matter was 4~9 percentage point higher.The sliver skin and pure flavor onion variety ＇B2006＇,which was suitable for dehydration and with significant economic profits,was appropriate to be promoted in Delingha,Qaidam Basin.