番杏(Tetragonia expansa Murr.),又名洋菠菜、新西兰菠菜,原产澳大利亚,属番杏科1～2年生草本植物,在热带、亚热带可多年生,北方栽培稀少。近年来,随着稀特蔬菜的发展,烟台引进番杏栽培后,备受人们青睐,成为一种消夏堵淡佳肴,因番杏病虫害少,是一种难得的无公害保健蔬菜。烟台气候温和,冬季利用保护地栽培,可实现番杏的周年生产,一般亩产鲜嫩茎叶2000kg左右,亩产值2000元以上。一、特征特性番杏根系发达,入土深,有一定耐寒力。茎半蔓性,易分枝,匍匐丛生。叶互生、近三角形,绿色,叶面密布银白色的细粉。夏秋间 Ancestor (Tetragonia expansa Murr.), Also known as spinach, spinach New Zealand, Australia origin, is a genus of 1 to 2 years Herbaceous plants, in tropical and subtropical perennials, sparsely cultivated in the north. In recent years, with the development of sparse vegetables, Yantai introduction of apricot cultivation, much people favor, as a summer plugging light food, due to less apricot pests, is a rare pollution-free health care vegetables. Yantai mild climate, the use of protected winter cultivation, apricot annual production can be achieved, the general mu yield of fresh stems and leaves about 2000kg, more than 2,000 yuan per mu output value. First, the characteristics of wild apricot roots developed, deep into the soil, there is a certain cold hardiness. Stem trailing, easy to branch, creeping tufts. Leaves alternate, nearly triangular, green, dense silver-white powder. Summer and autumn