不同类型向日葵品种产量及其相关性状差异性研究

doi:10.3969/j.issn.2096-1197.2019.01.01

Abstract

Abstract: To study the differences in yield and characters of different sunflower varieties,9 edible sunflower and 4 oil sunflower varieties were selected.The yield,yield components,dry matter accumulation and SPAD values were studied.The results showed that the yield of SH363 was the highest of the edible sunflowers,up to 5.15 t/hm2,which was 28.43%higher than the average yield;the yield of TP261 was the highest of the oil sunflowers,up to 4.34 t/hm2,which was 6.03%higher than the average yield.The correlation analysis of yield and its related characters showed that the single disk weight had the greatest impact on the yield,and can be used as one of the reference indexes for the evaluation of high yield varieties.The single disk number and the length of grain can be used as two of the important indexes to measure the shell rate.This study provides a theoretical basis for the determination of the indexes for screening different types of high-yield sunflower varieties.

Key words: Sunflower;Yield;Agronomic characters;SPAD value

CLC Number:

S565.5

CUI Chao;WANG Jing;WANG Haiwei;WANG Haiyan;ZHENG Xiqing;DI Na;LI Yazhen;ZHAI Yongsheng(Hetao College,Linhe 015000,China;Linhe Area Agricultural Technology Prmotion Center in Bayannur city,Linhe 015000,China). Study on differences in yield and characters of different sunflower varieties[J].Journal of Northern Agriculture, 2019, 47(1): 1-6.

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https://journal30.magtechjournal.com/bfnyxb/EN/Y2019/V47/I1/1

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Study on differences in yield and characters of different sunflower varieties

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