【摘要】 玉米新品种强硕168是以N547为母本、泰548为父本选育而成的杂交种。2015—2016年参加辽宁省中晚熟组玉米区域试验,强硕168平均折合产量分别为12 918.6、14 198.5kg/hm~2,比对照品种郑单958分别增产9.7%、12.3%。2015—2016年参加河南省低密(67 500株/hm~2)组玉米区域试验,强硕168平均折合产量分别为11 779.5、14 291.5 kg/hm~2,比对照品种郑单958分别增产9.8%、12.4%。2015年参加国家东华北组、黄淮海组、西南组玉米区域试验,强硕168平均折合产量分别为14 210.5、12 957.5、15 720.5 kg/hm~2,比对照品种郑单958分别增产12.9%、10.7%、13.5%。2016—2017年参加甘肃省中晚熟旱地组玉米区域试验,强硕168平均折合产量分别为13 235.9、15 912.5 kg/hm~2,比对照品种先玉335分别增产8.7%、10.1%。夏播生育期133～145 d,株高274～276 cm,穗位高112～114 cm,穗长21.9～25.2 cm,穗粗4.3～4.7 cm,轴粗2.7～2.8 cm,秃顶长1.0～1.4 cm,穗行数17.1～17.9行,行粒数36.9～42.5粒,千粒重313.2～324.4 g,出籽率82.2%。春播生育期135 d,株高300 cm,穗位105 cm,穗长31～35cm,穗行数16.0～20.0行,行粒数50粒左右,出籽率88.9%。籽粒含粗淀粉74.06%、粗蛋白9.45%、粗脂肪3.90%、赖氨酸0.38%,容重745 g/L。高抗倒伏,耐涝性强,抗病性强。适宜在全国玉米产区年积温2 800℃的山川地种植。更多还原

【Abstract】 Qiangshuo 168 is a new corn cultivar,bred from N547 as female parent and Tai548 as male parent. In 2015 — 2016,the average yield of Qiangshuo 168 was 12 918.6 kg/hm~2 and 14 198.5 kg/hm~2,respectively,9.7% and 12.3% higher than the control Zhengdan 958 in the Regional Test of Middle and Late Maturity Corn in Liaoning Province. In 2015 — 2016,the average yield of Qiangshuo 168 was 11 779.5 kg/hm~2 and 14 291.5 kg/hm~2,respectively,9.8% and 12.4% higher than the control Zhengdan 958 in the Corn Regional Test of Low Density(67 500 plants/hm~2) Group in Henan Province. In 2015,The average yield of Qiangshuo 168 was 14 210.5,12 957.5 and 15 720.5 kg/hm~2,respectively,12.9%,10.7% and 13.5% higher than the control Zhengdan 95 in the National Regional Test of Corn in East North China,Huanghuaihai and Southwest China. In 2016—2017,the average yield of Qiangshuo 168 was 13 235.9 kg/hm~2 and 15 912.5 kg/hm~2,respectively,8.7% and 10.1% higher than the control Xianyu 335 in the Regional Experiment of Middle and Late Maturing Dryland Corn in Gansu Province. The growth period of summer sowing is 133 ～145 days,plant height is 274～276 cm,ear height is 112 ～114 cm,ear length is 21.9 ～25.2 cm,ear diameter is 4.3 ～4.7 cm,axle diameter is 2.7～2.8 cm,bald top length is 1.0～1.4 cm,ear row number is 17.1～17.9 lines,row number is36.9～42.5 grains,1 000-grain weight is 313.2～324.4 g,and seed yield is 82.2%. Spring sowing growth period is 135 days,plant height is 300 cm,ear position is 105 cm,ear length is 31～35 cm,ear row number is 16.0～20.0 rows,row number is about 50 grains,seed yield is 88.9%. The grains contained crude starch is 74.06%,crude protein is 9.45%,crude fat is 3.90%,lysine is 0.38% and bulk density is 745 g/L. It has high lodging resistance,strong waterlogging resistance and disease resistance. It is suitable to be grown in mountain and river areas with accumulated annual temperature of 2 800 ℃.更多还原