半无叶型早熟、高产豌豆新品种保丰5号的选育

保丰5号是通过有性杂交〔（中豌6号×90-PE-10）×中豌5号〕、系谱法选择，运用一年三代加代选择法选育出的半无叶型早熟豌豆新品种。早熟，春播生育期94 d（天）；株型收敛，株高50 cm左右，托叶正常，深绿色，小叶变成卷须，属半无叶型，荚白色，单株荚数4.4个左右，双荚率40 %以上；单荚粒数5.8个左右，圆粒，千粒质量217 g左右；籽粒粗蛋白含量21.17 %，粗脂肪含量1.77 %，人体必需氨基酸含量高；抗倒伏性强，抗旱，成熟时不裂荚，对猝倒病、根腐病、白粉病的抗性优于中豌6号；一般产量250 kg·（667 m²）^-1左右，高产可达380 kg·（667 m²）^-1，适于冀东地区种植。产品适于青荚鲜食，嫩卷须菜用，青豌豆加工罐头，干籽粒生产芽菜、罐头、糕点、粉条及休闲食品，干籽粒和秸秆还可作优质蛋白饲料。

A New Pea F1 Hybrid—'Baofeng No.5'

‘Baofeng No.5’，semi-leafless pea，possessing earliness and high yield，was bred and selected from the multiple crossing combination‘Zhongwan No.6’and 90-E-10 and ‘Zhongwan No.5’.It has about 4.4 pods per plant and 5.8 seeds per pod and 1000-seed weight is about 217 g.The cultivar has normal bottle-green stipules，white pods and green round seeds.The rate of double-pod is over 40 %.It takes 94 days frow sowing to harvest.It has stronger resistance to damping-off，root rot and powdery mildew than‘zhongwan No.6’.It possesses high essential amino acids needed by human，and protein and fattiness in dry seeds are 21.17 % and 1.77 % respectively.Dry seeds yield is about 3 750 kg·hm^-2 and potential yield is 5 700 kg·hm^-2.It is suitable to be planted in east Hebei region.