湖南农业大学学报（自然科学版）2011，Vol.37Issue(1)：12-16,5.DOI:10.3724/SP.J.1238.2011.00012
种植密度和施肥水平对油菜茎叶可溶性糖和游离氨基酸及籽粒产量的影响
Effects of different planting densities and fertilizer levels on soluble sugar and free amino acids content and rapeseed yield
摘要
Abstract
Xiangzayou763 was used as material to study the effects on rapeseed stem-leaf soluble sugar and free amino acids and rapeseed yield in different fertilizer levels(N : P2O5 : K2O : B: treatment A, 240 : 120 : 210 : 1.2 kg/hm2; B,180 : 90 : 157.5 : 0.9 kg/hm2; C, 120 : 60 : 105 : 0.6 kg/hm2; D, 60 : 30 : 52.5 : 0.3 kg/hm2; E, no fertilizer)and planting density(7.5 × 104, 1.5×105, 2.25 × 105, 3.0× 105, 3.75 × 105, 4.5 × 105plant/hm2). The result indicated that the content of soluble sugar in rapeseed stem was increased with fertilizer decreased and inseased with density increased; The content of free amino acids took an upward trend with increasing fertilizer. Free amino acids amounts and total amounts of soluble sugar and free amino acids had very significant positive correlations with rape grain yield, while it had a negative correlation between soluble sugar amounts and rape grain yield. Integrated study showed that the treatment A and the density of 2.25 × 105plant/hm2 was the most conductive to rape income.关键词
油菜/施肥量/种植密度/可溶性糖/游离氨基酸/籽粒产量Key words
oilseed rape/ fertilization level/ culture density/ soluble sugar/ free amino acid/ grain yield分类
农业科技引用本文复制引用
宋小林,刘强,宋海星,官春云,荣湘民,曾德武,杨勇,郭春铭..种植密度和施肥水平对油菜茎叶可溶性糖和游离氨基酸及籽粒产量的影响[J].湖南农业大学学报（自然科学版）,2011,37(1):12-16,5.基金项目
国家油菜产业技术体系建设项目(00509) （00509）
国家"863"计划项目(2006BAD21B03) （2006BAD21B03）
国家自然科学基金面上项目(30971860) （30971860）
湖南省自然科学基金重点项(07JJ3074) （07JJ3074）
