Morphological, cytological and disease resistance studies of the intersectional hybrid between Arachis hypogaea L. and A. glabrata Benth

Mallikarjuna, N. and Sastri, D.C. (2002) Morphological, cytological and disease resistance studies of the intersectional hybrid between Arachis hypogaea L. and A. glabrata Benth. Euphytica, 126 (2). pp. 161-167.

[img] PDF
Restricted to ICRISAT researchers only

Abstract

A. glabrata var. glabrata collector GK 10596 (PI 276233; ICG 8176) belonging to section Rhizomatosae has resistance to rust [Puccinia arachidis], late leaf spot [Mycosphaerella berkeleyi] and viral diseases. A. hypogaea cv. MK 374 (section Arachis) is susceptible to rust, late leaf spot and to the viral diseases peanut stripe, peanut mottle and peanut bud necrosis. Hybrids between A. hypogaea cv. MK 374 and A. glabrata were produced after interspecific pollinations and embryo culture. The hybrids produced had morphological characters of both parents plus floral abnormalities not seen in either parent. It was possible to identify the hybrids by esterase isoenzyme analysis when still in culture. Cytological research showed variable chromosome association and also homology between the genomes of A. hypogaea and A. glabrata. The hybrids inherited resistance to rust, late leaf spot, peanut bud necrosis and peanut stripe diseases from the pollen parent A. glabrata

Item Type: Article
Author Affiliation: International Crops Research Institute for Semi-Arid Tropics, Patancheru P.O. 502 324, Andhra Pradesh, India
Subjects: Plant Protection > Pesticides
Plant Protection > Pests
Crop Improvement > Plant Breeding
Divisions: Groundnut
Depositing User: Mr B Krishnamurthy
Date Deposited: 20 Apr 2011 04:59
Last Modified: 20 Apr 2011 04:59
Official URL: http://dx.doi.org/10.1023/A:1016379132324
URI: http://eprints.icrisat.ac.in/id/eprint/1822

Actions (login required)

View Item View Item