青菜(B·Chinensis.rar.communis)味道鲜美,营养丰富,是长江流域城镇居民和农民百吃不厌的绿叶蔬菜。 中箕白梗菜(简称白梗菜)是常州著名的优良青菜品种,在本地已有数百年栽培历史。该品种叶如翡翠,梗如白玉,故名为白梗菜。共耐热性好,生长快,作伏缺细菜栽培12天即可上市;抗病强,产量高,作秋排菜,栽后30至40天上市,亩产可达5000kg以上。在常州1至9月均可播种或育苗移栽,供应期为3月上旬至12月上旬,产量约占蔬菜总上市量的一半。优选后的白梗菜,已在江苏,江西,湖南、四川、广西、福建等地广泛栽培,本市每年制种2.5万—3万kg,仍供不应求。 一、选育经过 白梗菜经多年种植,抗病性减弱,产量品质下降,为此,我们展开了以抗病高产为目标的选育工作。从近2万株发病的农家品种中,精心挑选出发病轻的母株,进行隔离选种,每年从中选出百株左 Greens (B · Chinensis.rar.communis) delicious taste, nutrient-rich, is the urban residents and peasants in the Yangtze River Valley never eat green leafy vegetables. Zhongji white steamer (referred to as white stem vegetable) is a famous Changzhou famous varieties of vegetables, in the local history of hundreds of years of cultivation. The variety leaves such as jade, stems such as white jade, named white stem vegetable. A total of good heat resistance, fast growth, the lack of fine vegetables cultivated for 12 days to market; strong disease resistance, high yield, autumn row vegetables, planted 30 to 40 days after the market, up to 5000kg per mu or more. From January to September in Changzhou, sowing or transplanting can be carried out. The supply period is from early March to early December, accounting for about half of the total market volume of vegetables. The preferred white-stemmed Seabuckthorn has been widely cultivated in Jiangsu, Jiangxi, Hunan, Sichuan, Guangxi, Fujian and other places. The Municipality still produces 25,000 to 30,000 kg per year, still in short supply. First, breeding After years of cultivation of white steamer, disease resistance weakened, yield quality declined, therefore, we launched a disease-resistant and high yield as the goal of breeding. From the nearly 20,000 strains of peasant families, we carefully selected the diseased maternal plants for isolation and selection, selecting one hundred left