马铃薯抗病新品种北方006的选育

A New Disease-resistant Potato Variety—‘Beifang 006’

北方006是以844品系为母本、BFZY005品系为父本,通过有性杂交、选择、鉴定育成的中熟鲜食马铃薯新品种。生育期93d(天)左右,株高75cm左右,叶绿色,茎绿色,花冠白色。薯块椭圆形,薯皮光滑,芽眼浅,淡黄皮乳白肉。干物质含量22.05%,淀粉含量16.26%,粗蛋白含量2.8%,还原糖含量0.6%,VC含量179.6mg·kg^(-1)。平均单株结薯数5.5个,单薯质量848.9g,商品薯率86.1%。抗PVX、PVY,中抗晚疫病。每667m^(2)产量2900kg左右,适宜河北省张家口市、承德市一季作区种植。

‘Beifang 006’is a new middle-ripe table potato variety through sexual hybridization,selection and identification with‘844’line as female parent and‘BFZY005’line as male parent.The growth period is about 93 days.The plant height is about 75 cm.Its leaves and stem appear as green,corolla appears as white.The tubers are of oval type,with smooth and yellowish potato peel,shallow bud eyes,and milky white flesh.The content of dry matter,starch,crude protein,reducing sugar and VC are 22.05%,16.26%,2.8%,0.6%and 179.6 mg·kg^(-1),respectively.The average number of tubers per plant is 5.5,the weight of single tuber is 848.9 g,and the commodity potato rate is 86.1%.It is resistant to PVX and PVY,medium resistant to late blight.The yield is about 43.5 t·hm^(-2),which is suitable for cultivation in Zhangjiakou and Chengde City,Hebei Province.