ZHANG Yan-wei,XUE Li-hua,ZHANG Jian-xin,et al.Study on Seed Position Difference of Seed-bulging of High-yield Spring Soybean in Xinjiang[J].Soybean Science,2017,36(05):710-719.[doi:10.11861/j.issn.1000-9841.2017.05.0710]
新疆高产春大豆鼓粒的粒位差异研究
- Title:
- Study on Seed Position Difference of Seed-bulging of High-yield Spring Soybean in Xinjiang
- Keywords:
- Spring soybean; High-yield; Seed-bugling; Spatial difference
- 文献标志码:
- A
- 摘要:
- 为探明新疆高产春大豆鼓粒的粒位差异，明确粒重增加的规律，2015-2016年在田间研究了金元20、11-109、新大豆27和黑农61，4个中熟高产春大豆品种（系）主茎不同节组荚、同节异荚、三粒荚各粒的鼓粒进程及单粒重的变化规律。结果表明：不同品种（系）的主茎基部1~3节的荚最早开始鼓粒、鼓粒期最长、单粒重最低，顶部倒1~3节荚始粒期最晚、鼓粒期最短，单粒重介于基部1~3节与顶部倒4~6节之间，顶部倒4~6节荚的始粒期和鼓粒期介于基部1~3节与顶部倒1~3节之间，其单粒重最大。主茎荚始粒期、鼓粒期的差异随节位的差异而增大，节组间最大差异分别为9~24 d和6~15 d；同节位的大、中荚比小荚始粒期早、鼓粒期长、单粒重大；三粒荚各粒增重速度和单粒重均表现为中＞远＞近粒位；鼓粒进程及单粒重的差异表现为同株异节＞同节异荚＞同荚异粒。鼓粒过程对大豆产量的影响是通过影响单粒重实现的，鼓粒的粒位差异大，增加大豆单株鼓粒期，对高产有利。春大豆产量5 000~5 600 kg·hm-2的单株鼓粒期为45~60 d。
- Abstract:
- This study aims to find out the increasing law of seed weight of high-yield spring soybean in Xinjiang.In the field experiment, 4 medium mature and high-yield spring soybeans(lines) including Jinyuan 20, 11-109, Xindadou 27, and Heinong 61, were chosen as materials, and the regularity of the stem of different section with pods, the same node with different pods and 3 seed pods of seed-bulging process, and single seed weight variation were investigated were investigated in 2015 and 2016.The result showed that the pod seed-bulging stage of the main stem with basal section (1st-3th) of different varieties(lines) were the earliest and longest, and the single seed weight was the lightest.At the top section (1st-3th) of the main stem, the initial seed stage of pod was the last, the seed-bulging stage was the shortest, and the single seed weight was between the basal section (1st-3th) and the top section (4th-6th). At the top section (4th-6th) of the main stem, the initial seed and seed-bulging stage of pod was between the basal section (1st-3th) and the top section (1st-3th) , and the single seed weight was the biggest.The initial seed and terminal seed stage of pod in the main stem increased with the differences of the node.The maximum differences were 9-24 days and 6-15 days respectively. The initial seed stage, seed-bugling stage, seed-bugling rate and single weight of large and medium pods with the same node were better than pods. Both the weight gain rate and single seed weight of 3 seed pods were middle seed(s)＞distal seed＞seed.The difference in the seed-bugling process and single seed weight were the same plant with different nodes＞the same node with different pods＞the same pod with different seeds. The effect of seed-bugling process on yield was affected by single seed weight. Differences in the seed position of seed-bulging and increased single plant with seed-bugling stage were advantageous to high-yield. The seed-bugling stage of single plant with yield of 5 000-5 600 kg·ha-1 was 45-60 days。
参考文献/References:
［1］Egli D B， Leggett J E， Wood J M. Influence of soybean seed size and position on the rate and duration of filling［J］.Agronomy Journal， 1978，70:127-130.
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备注/Memo
基金项目：国家级大学生创新项目（201610758058）；国家自然科学基金（31460333）。