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Estimates of Seed Filling Rate Based on Dynamics of Pod Thickness and Seed Weight in Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2017年02期
Page:
244-250
Research Field:
Publishing date:

Info

Title:
Estimates of Seed Filling Rate Based on Dynamics of Pod Thickness and Seed Weight in Soybean
Author(s):
LI Dexiao1;  LIANG Fuqin2;  WANG Yong1;  WANG Zhonghua1;  FAN Chen2
1College of Agronomy, Northwest A & F University, Yangling 712100, China;?
2Institute of Yan’an Agriculture Science, Yan’an 716099, China
Keywords:
Soybean;  Pod thickness;  Seed filling rate;  Seed weight;  Seed filling period
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2017.02.0244
Abstract:
Seed filling process is important for soybean yielding, and seed filling rate can be estimated through simulation of seed weight and pod thickness against days after flowering(DAF) Three soybean lines, Zhonghuang 37, Qindou 10 and JTN 5503, were served as materials and planted in field Pod thickness and seed dry/fresh weight were measured continuously by means of random sampling and fixed positioning The results showed that, (i)Soybean seed dry/fresh weight and pod thickness were modulated by a linear or quadratic polynomial functions of DAF (ii) Compared with seed filling rate estimated by seed fresh weight, the average seed filling rate was overestimated by seed dry weight and underestimated by pod thickness (iii) The average rate of pod thickness was genotype dependent, but the initial rates of pod thickness were similar among different soybeans (iv)The measurement of fixed pod thickness had the lowest level of experimental error In conclusion, pod thickness is a potential non destructive indicator to measure soybean seed filling rate, which shares the similar result with seed weight

References:

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Last Update: 2017-05-14