Production of hybrids between Cajanus acutifolius and C. cajan

Mallikarjuna, N. and Saxena, K.B. (2002) Production of hybrids between Cajanus acutifolius and C. cajan. Euphytica, 124 (1). pp. 107-110.

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Abstract

There are many wild species of pigeonpea which are endemic to Australia. These wild species are cross incompatible with cultivated species of Indian origin. Cajanus acutifolius is one such species which does not easily cross with cultivated pigeonpea. Interspecific pollinations lead to hybrid seeds which were semi-shrivelled. Very few seeds germinated to give rise to F1 plants. Backcrossing the hybrid plants to C. cajan, the male parent, gave rise to aborting seeds which did not germinate in vivo hence BC1 plants are obtained after saving the aborting embryos in vitro. BC1 plants showed normal meiotic pairing, but had low pollen fertility. The reasons for embryo abortion and low pollen fertility in spite of normal meiosis could be due to the effect of wild species cytoplasm

Item Type: Article
Author Affiliation: Genetic Resources and Enhancement Division, International Crops Research Institute for Semi Arid Tropics, Patancheru P.O. 502 324, Andhra Pradesh, India
Subjects: Plant Production
Plant Protection > Pests
Divisions: Pigeonpea
Depositing User: Mr B Krishnamurthy
Date Deposited: 20 Apr 2011 05:04
Last Modified: 20 Apr 2011 05:04
Official URL: http://dx.doi.org/10.1023/A:1015662612870
URI: http://eprints.icrisat.ac.in/id/eprint/1819

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