|Table of Contents|

Study on Dry Matter Accumulation and Distribution Characteristics of Sunflower(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年05期
Page:
1-6
Research Field:
Publishing date:

Info

Title:
Study on Dry Matter Accumulation and Distribution Characteristics of Sunflower
Author(s):
WANG Rong; HE Wen-shou
School of Agriculture，Ningxia University，Yinchuan，Ningxia 750021
Keywords:
sunflower; dry matter; accumulation; distribution
PACS:
S 565.5
DOI:
-
Abstract:
The sunflower’s dry matter accumulation characteristic was studied in Guyuan，Yanchi in Ningxia by using a field experiment combined with test analysis in two different kinds of sunflowers(confectionary sunflower and oilseed sunflower).The results showed that confectionary sunflower and oilseed sunflower with or without fertilizer，the dry matter accumulation contents were showed a ‘S’ curve along with the growth stages，and could be imitade by a Logistic equation；the proportion of dry matter in the seedling time showed：leaf>stem>root，budding period：stem>leaf>root>faceplate，flowering period：stem>leaf>faceplate>root，mature period：stem>seeds>faceplate>leaf>root.Reasonable fertilization had a great influence on dry matter accumulation contents of the sunflower，the total dry matter accumulation of confectionary sunflower with fertilizers was higher 53.70% than the treatment of without fertilizer，and the oilseed sunflower with fertilizers was 59.18% higher.The difference of dry matter accumulation of oilseed sunflower was not significant with sunflower.

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Last Update: 2014-08-09