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Effects of Different Concentrations of Phosphorus on Orabanche aegyptaica Pers. Seed Germination and O.aegyptiaca Pers.-Tomato Parasitic Relationship(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年17
Page:
76-79
Research Field:
Publishing date:

Info

Title:
Effects of Different Concentrations of Phosphorus on Orabanche aegyptaica Pers. Seed Germination and O.aegyptiaca Pers.-Tomato Parasitic Relationship
Author(s):
LIU Zhenya1; CHEN Lianfang2; ZHI Jinhu1; WANG Desheng1; DAI Lianwei1; CHENG Wei2
1.College of Plant Science,Tarim University,Alar,Xinjiang 843300;2.Second Division Agricultural Research Insitute,Xinjiang Production and Construction Corps,Tiemenguan,Xinjiang 841005
Keywords:
Orabanche aegyptiaca Pers.; phosphorus; germination; parasitism
PACS:
-
DOI:
10.11937/bfyy.20164567
Abstract:
Orabanche aegyptiaca Pers.seed was used as material,the preculture of Orabanche aegyptiaca Pers.seed were conducted with different concentrations of phosphorus solution (1×10-4,3×10-4,5×10-4,7×10-4,9×10-4,1×10-5,3×10-5,5×10-5,7×10-5,9×10-5,1×10-6,3×10-6,5×10-6,7×10-6,9×10-6,1×10-7,3×10-7,5×10-7,7×10-7,9×10-7),the regulation of phosphorus to Orabanche aegyptaica Pers.seed germination and O.aegyptiaca Pers.-tomato parasitic relationship were studied．The results showed that the concentrations of P solution of 1×10-4,9×10-4,1×10-5,3×10-5,1×10-6 level had high germination rates and the obvious stimulative actions to Orabanche aegyptaica Pers.seed,when the concentrations of P solution of 7×10-6,9×10-5,9×10-6,9×10-7 level,the germination rate was low,when the concentrations of P solution of 1×10-5 and 9×10-5 level,the germination rate was the lowest,they could generate inhibitation in parasitism.It was concluded that the concentrations of P solution of 10-5 had very good application prospect in promoting trap killing and germination of Orabanche aegyptaica as well as reducing the parasitism rate.

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Last Update: 2017-09-29