Inheritance of resistance to whitebacked planthopper in rice

One hundred and fourteen cultivars of rice (Oryza sativa L.) identified as resistant to brown planthopper (Niloparvata lugens Stal.), at Hyderabad were evaluated for their reaction to whitebacked planthopper (Sogatella furcifera Horvath). Fifty-five cultivars were found to be resistant. Possibility...

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Veröffentlicht in:	Indian journal of genetics & plant breeding 1984, Vol.44 (2), p.329-335
Hauptverfasser:	KRISHNA, T. S, SESHU, D. V, KALODE, M. B
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions Biological and medical sciences Delphacidae Fundamental and applied biological sciences. Psychology Genetics and breeding of economic plants Oryza sativa Pest animals Pest resistance plant breeding Sogatella furcifera Varietal selection. Specialized plant breeding, plant breeding aims
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Beschreibung
Zusammenfassung:	One hundred and fourteen cultivars of rice (Oryza sativa L.) identified as resistant to brown planthopper (Niloparvata lugens Stal.), at Hyderabad were evaluated for their reaction to whitebacked planthopper (Sogatella furcifera Horvath). Fifty-five cultivars were found to be resistant. Possibility for biotype differentiation in the insect is indicated because of differences in reactions of some of the cultivars from those observed in the Philippines. Genetic studies in crosses involving some of the whitebacked planthopper resistant cultivars indicated that resistance in cultivars "PTB33," "ARC14636," and "ARC14766" is governed by a single dominant gene, whereas resistance in varieties "ARC6650" and "ARC14394" is conferred by a single recessive gene.
ISSN:	0019-5200