硅肥对青稞品系“5171-7”茎秆抗倒相关性状的影响  

Effects of Silicon Fertilizer on Lodging Resistance of Highland Barley 5171-7 Stem

作　　者：赵爱宣 次旦卓嘎 谭畅 卓嘎 ZHAO Aixuan;Cidan zhuoga;TAN Chang;Zhuoga(Plant Science College,Tibet Agriculture&Animal Husbandry University,Nyingchi Tibet,860000,China)

机构地区：[1]西藏农牧学院植物科学学院,西藏林芝860000

出　　处：《高原农业》2022年第1期11-15,54,共6页Journal of Plateau Agriculture

基　　金：西藏自治区自然科学基金项目(XZ2019ZRG-59)。

摘　　要：为了探索硅肥对青稞抗倒伏相关性状的影响,以青稞5171-7品种为研究材料,采用奥本硅类型硅肥,设3个施肥量梯度以空白作为CK,研究影响抗倒伏的主要茎秆性状特征。结果表明:(1)施用硅肥株高降低、节间增粗和重心高降低;(2)奥本硅施肥量最低的处理(A1)其茎秆基部第1,2,3,4四节间充实度增加和基部第2节间抗折力增强;(3)施用硅肥对青稞产量的提高无显著差异。In order to explore the effect of silicon fertilizer on lodging resistance of highland barley,highland barley 5171-7 was used as the research material.Auburn silicon silicon fertilizer,of which three fertilization gradients and blank were set as treatment and CK groups,was used to study the main stem characters affecting lodging resistance.The results showed that:(1)the plant height,internode thickening and center of gravity height decreased when silicon fertilizer was applied;(2)the treatment with the lowest amount of Auburn silicon fertilizer(A1)increased the fullness of the first,second,third and fourth internode at the base of the stem and the bending resistance of the second internode at the base;(3)the application of silicon fertilizer had no significant difference in the increase of highland barley yield.

关 键 词：硅肥 青稞 茎秆特性 抗倒伏 

分 类 号：S812-05[农业科学—草业科学]