Seed fractionation as a phytosanitary control measure for Pea seed-borne mosaic virus infection of field pea seed-stocks

被引：2
作者：
Congdon, Benjamin S. [1 ,2 ]
Coutts, B. A. [3 ]
Renton, M. [1 ,2 ]
van Leur, J. A. G. [4 ]
Jones, R. A. C. [2 ,3 ]
机构：
[1] Univ Western Australia, Fac Sci, Sch Agr & Environm, 35 Stirling Highway, Crawley, WA 6009, Australia
[2] Univ Western Australia, Fac Sci, Inst Agr, 35 Stirling Highway, Crawley, WA 6009, Australia
[3] Dept Agr & Food Western Australia, Crop Protect Branch, Bentley Delivery Ctr,Locked Bag 4, Perth, WA 6983, Australia
[4] Tamworth Agr Inst, New South Wales Dept Primary Ind, 4 Marsden Pk Rd, Calala, NSW 2340, Australia
来源：
EUROPEAN JOURNAL OF PLANT PATHOLOGY | 2017年 / 148卷 / 03期
基金：
澳大利亚研究理事会;
关键词：
Pea seed-borne mosaic virus; Field pea; Seed fractionation; Phytosanitary control; Seed transmission; TRANSMISSION; YIELD; LEGUMES;
D O I：
10.1007/s10658-016-1121-5
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
In field pea (Pisum sativum) crops worldwide, sowing seed with minimal Pea seed-borne mosaic virus (PSbMV) infection is crucial to manage its spread and the seed yield and quality losses it causes. The possibility of using seed fractionation to help decrease PSbMV infection in infected seed-stocks used for sowing crops was investigated. When six PSbMV-infected seed-lots of Australian field pea cvs Kaspa or PBA Twilight were passed through sieves of different mesh sizes to obtain different size fractions, PSbMV seed transmission rates to seedlings were significantly higher in the < 6.5 mm than the > 6.5 mm fractions. Passing pea seed-lots through a 6.5 mm sieve can be used to: (i) provide a useful indicator warning of likely high seed infection levels, and (ii) contribute towards decreasing PSbMV infection levels below the % seed transmission risk threshold for sowing.
引用
收藏
页码：733 / 737
页数：5
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