X6538

审定编号：蒙审葵2011013号

特征特性：

该品种来源于美国，属中早熟食葵杂交种，生育期100天左右，株高170厘米，茎粗2.8厘米，叶片28片。花盘倾斜度3级，花盘直径21厘米左右，单盘粒重122克。籽粒长锥形，黑底白边。籽粒长2厘米，粒宽0.8厘米。百粒重18克，籽仁率55%。子实粗蛋白含量15%。该品种有较强抗性。该品种自2006年以来试验示范及田间产量表现突出，具有较大的增产潜力，一般亩产500斤左右，水肥条件好，管理得当可达600斤以上。

栽培技术：

1、 合理选地：向日葵具有抗旱耐瘠耐盐碱的特性，一般耕地及荒地均可种植，但不宜连作，前茬作物以瓜类、小麦、玉米、棉花、豆类等为好。

2、 播种时间：播种期一般在10厘米土层温度连续5天达到8—10℃时即可播种，最适宜播种期为5月下旬至6月上旬。

3、 种植密度：西部地区建议亩保苗2100-2300株，东部地区建议亩保苗1300-1500株。

X6538

Authorized NO:Inner Mongolia approved sunflower 2011013

This variety comes from the United States, belongs to mid-early maturity confection hybrid, growth period 100 days, height 170 cm, stem diameter 2.8 cm, blade 28, disk inclination 3 degrees, disk diameter about 21 cm, Single disk weight 122 g.

Long taper seed,black with white edge,seed length 50px, width 20px, HGW18g, seed kernel rate 55%, crude protein 15%. The variety has strong resistance.Since 2006, this varieties show outstanding performance in the test field and general field, it has great potential in increasing production. Average yield can get 250kg, around high water and fertilizer conditions with fertile field, properly managed, the yield can be increased to more than 300 kg.

Cultivation techniques:

1.Proper fields: sunflower with the characteristics of resistant to the drought and barren , it’s not suitable for continuous cropping, we can plant wheat, corn, melon, cotton, beans and so on in the first year for rotation.

2.Sowing time: Generally the 10 cm soil layer temperature for 5 days can reach 8-10 ℃ can be sown, the most suitable sowing period for late May to early June.

3.Planting density: We advised planting 2100-2300 plants per mu in the west region of China, planting 1300-1500 plants per mu in the East region of China.