极早熟豇豆新品种天畅五号的选育

天畅5号是农家品种杨家豇豆与之豇28-2杂交,并通过系统选育而成的极早熟豇豆新品种.该品种表现早熟,叶片小,以主蔓结英为主,有侧芰1～2个,始花节位2～3节.成英率高,每花穗结英2～4条,前期产量较高.嫩英白绿色,英条长而直,项长65 cm,单英质量22 g.英条肉质脆嫩,品质优,商品性极佳.春播从播种到商品英采摘期为52天.露地种植的产量1 800～2 500 kg/667 m2适于长江流域栽培.

Development of A New Asparagus Bean Cultivar, Tianchang No.5

Tianchang No.5 is a newly bred asparagus bean variety developed by system selection after crossing Yang cow-pea which was collected from farmer with Zhijiang 28-2. This cultivar is early-maturing,the leaves are small. Usually it gets its legumen on the main vine and has 1-2 side vine. The first anthotaxy is located on the 2-3 burl. It has the high rate of legumen,and every anthotaxy has 2-4 legumen. The yield is high at the first period. The tender legumen is whitegreen,the legumen is long and straight,with...