密度对高淀粉玉米品种产量及淀粉合成相关酶活性的影响  

Effect of Different Density on Yield and Starch Synthesis Enzyme Activities of High Starch Maize Varieties

作　　者：赵索[1] 樊景胜[1] 连永利[1] 曲忠诚[1] 徐婷[1] 武琳琳[1] 董扬[1] ZHAO Suo;FAN Jing-sheng;LIAN Yong-li;QU Zhong-cheng;XU Ting;WU Lin-lin;DONG Yang(Qigihar Branch of Heilongjiang Academy of Agricultural Sciences,Qigihar 161000,China)

机构地区：[1]黑龙江省农业科学院齐齐哈尔分院,黑龙江齐齐哈尔161000

出　　处：《黑龙江农业科学》2019年第2期9-12,共4页Heilongjiang Agricultural Sciences

摘　　要：为筛选出适合齐齐哈尔地区的高淀粉玉米品种最佳的栽培方案,选用高淀粉玉米品种齐市一号、绿单一号和齐齐哈尔主栽高淀粉玉米品种鑫鑫一号为试验材料,通过调节种植密度,探讨不同种植密度对高淀粉玉米产量、粗淀粉含量、ADPG焦磷酸化酶和UDPG焦磷酸化酶活性的影响。结果表明:不同种植密度对高淀粉玉米产量影响显著,不同密度条件下,齐市一号产量均高于绿单一号和鑫鑫一号,齐市一号在70 000株·hm^(-2)时产量最高,与70 000株·hm^(-2)差异不显著,但二者均显著高于其他密度处理。而籽粒中淀粉合成酶ADPG焦磷酸化酶和UDPG焦磷酸化酶活性齐市一号显著高于其他品种,分别在70 000和90 000株·hm^(-2)时达到最大值。籽粒中粗淀粉含量齐市一号显著高于其他品种,在60 000株·hm^(-2)时达到最大值。综上所述,齐齐哈尔地区选择种植高淀粉玉米品种齐市一号,最适宜种植密度为70 000株·hm^(-2)。In order to select out the best cultivation scheme of high starch maize varieties suitable for Qiqihar region,the experiment selected the high starch maize variety Qishi No.1.Lyudan No.1 and Xinxin No.1 which mainly planted in Qiqihar as the test materials.By adjusting the planting density,the effects of different planting density on the yield,crude starch content,ADPG-PPase and UDPG-PPase activity of high starch maize were investigated.The results showed that under different density conditions,the yield of Qishi No.1 was higher than that of Lyudan No.1 and Xinxin No.1.The yield of Qishi No.1 was the highest at 70 000 plants per hectare,but there was no significant difference between Qishi No.1 and 70 000 plants per hectare,but both of them were significantly higher than other density treatments.The activity in Qishi No.1 of ADPG-PPase and UDPG-PPase were significantly higher than those of other varieties,the maximum value was reached at 70 000 and 90 000 plant per hectare,respectively.The crude starch content of Qishi No.1 was significantly higher than that of other varieties,and reached the maximum at 60 000 plant per hectare.To sum up,Qishi No.1 in Qigihar area was suitable for planting and the optimum planting density was 70 000 plant per hectare.

关 键 词：高淀粉玉米 产量 粗淀粉含量 

分 类 号：S513[农业科学—作物学]