秋冬茬韭菜新品种廊韭9号的选育及栽培技术研究

Research on Breeding Techniques of a New Autumn-winter Leek Variety——Langjiu 9

廊韭9号是廊坊市农林科学院以不育系98-6为母本、P4-107-8为父本杂交选育而成的秋冬茬韭菜新品种。2008～2010年示范试验中总产量为108 387.0 kg/hm2,该品种植株长势强,叶色深绿,叶肉丰胰、辛辣味浓,叶长40 cm,叶宽1.46 cm,单株叶片数6～7个,平均单株重16.40 g,一年生单株分蘖9个以上,覆盖栽培无休眠期,耐寒性强,抗灰霉病,在河北省及其周边地区4月上旬至6月中旬播种,采用干籽直播的方法在拱棚或温室栽培,一般10月中下旬可收割第1茬,是淡季上市和填补秋延后、冬季市场空缺、获取高产高效生产的优良品种。

Langjiu 9 is a new autumn-winter leek variety crossbred by Langfang Scientific Academy of Agriculture and Forestry with its female parent of 98-6 and male parent of P4-107-8.Its total yield was 108 387.0 kg/hm2 in demonstration test from 2008 to 2010.The variety has robust growth potential,dark green leaf color,thick leaf pulp and spicy flavor.The leaf is 40 cm in length and 1.46 cm in width.Single plant whose average weight is 16.40 g usually generates 6 or 7 leaves.One-year-old plant has 9 shootings.It has no dormancy if mulch farming is adopted.The variety has strong resistance to coldness and grey mold disease.It is sown directly in vinyl tunnel or greenhouse in Hebei and its periphery from the early April to the middle June.Generally,the first harvest was around the middle-late October,so the fine variety with high yield can satisfy market demands in winter.