spread and...east anglia, which qualify for the 'a plus' certificate of the ministry of...

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Page 1: spread and...East Anglia, which qualify for the 'A plus' certificate of the Ministry of Agriculture. Transmission of nettlehead and the hop strain of arabis mosaic virus by Xiphinema
Page 2: spread and...East Anglia, which qualify for the 'A plus' certificate of the Ministry of Agriculture. Transmission of nettlehead and the hop strain of arabis mosaic virus by Xiphinema
Page 3: spread and...East Anglia, which qualify for the 'A plus' certificate of the Ministry of Agriculture. Transmission of nettlehead and the hop strain of arabis mosaic virus by Xiphinema
Page 4: spread and...East Anglia, which qualify for the 'A plus' certificate of the Ministry of Agriculture. Transmission of nettlehead and the hop strain of arabis mosaic virus by Xiphinema
Page 5: spread and...East Anglia, which qualify for the 'A plus' certificate of the Ministry of Agriculture. Transmission of nettlehead and the hop strain of arabis mosaic virus by Xiphinema
Page 6: spread and...East Anglia, which qualify for the 'A plus' certificate of the Ministry of Agriculture. Transmission of nettlehead and the hop strain of arabis mosaic virus by Xiphinema
Page 7: spread and...East Anglia, which qualify for the 'A plus' certificate of the Ministry of Agriculture. Transmission of nettlehead and the hop strain of arabis mosaic virus by Xiphinema
Page 8: spread and...East Anglia, which qualify for the 'A plus' certificate of the Ministry of Agriculture. Transmission of nettlehead and the hop strain of arabis mosaic virus by Xiphinema