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	1.		Influence of gibberellic acid and nitrogen sprays on transmission of cabbage black ringspot virus by myzus persicae (sulz.) / I.W. Selma n and Umarany Kandiah. by Selman, I. W Kandiah, Umarany Series: Reprint ; no. 502. Material type: Text Publication details: Ashford, Kent : Wye College, University of London, 1971 Availability: Items available for loan: Main Library - Africana (1)Call number: PS 630.7114 223 W942 no. 502. Place hold Save to lists Add to cart (remove)
	2.		Influence of gibberellic acid and nitrogen sprays on transmission of cabbage black ringspot virus by myzus persicae (sulz.) / I.W. Selma n and Umarany Kandiah. by Selman, I. W Kandiah, Umarany Series: Reprint ; no. 502. Material type: Text Publication details: Ashford, Kent : Wye College, University of London, 1971 Availability: No items available. Save to lists Add to cart (remove)
	3.		Influence of gibberellic acid and nitrogen sprays on transmission of cabbage black ringspot virus by myzus persicae (sulz.) / I.W. Selma n and Umarany Kandiah. by Selman, I. W Kandiah, Umarany Series: Reprint ; no. 502. Material type: Text Publication details: Ashford, Kent : Wye College, University of London, 1971 Availability: No items available. Save to lists Add to cart (remove)
	4.		Influence of gibberellic acid and nitrogen sprays on transmission of cabbage black ringspot virus by myzus persicae (sulz.) / I.W. Selma n and Umarany Kandiah. by Selman, I. W Kandiah, Umarany Series: Reprint ; no. 502. Material type: Text Publication details: Ashford, Kent : Wye College, University of London, 1971 Availability: No items available. Save to lists Add to cart (remove)