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Study on Seed Position Difference of Seed-bulging of High-yield Spring Soybean in Xinjiang(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2017年05期
Page:
710-719
Research Field:
Publishing date:

Info

Title:
Study on Seed Position Difference of Seed-bulging of High-yield Spring Soybean in Xinjiang
Author(s):
ZHANG Yan-wei1;  XUE Li-hua2;  ZHANG Jian-xin1;  CHU Guang-hong1;  XIE Lei1;  LI Ling1
(1.Agronomy College of Xinjiang Agricultural University, Urumqi 830052, China; 2.Grain Crops Research Institute of the Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China)
Keywords:
Spring soybean; High-yield; Seed-bugling; Spatial difference
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2017.05.0710
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。

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Last Update: 2017-10-31