Crossability of Brassica tournefortii and B. rapa, and morphology and cytology of their F1 hybrids
β Scribed by B. R. Choudhary; P. Joshi
- Publisher
- Springer
- Year
- 2001
- Tongue
- English
- Weight
- 188 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0040-5752
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The relative yields of spaced plants of inbred lines derived from different seed stock of forage rape were compared with F1 hybrids among these lines. The hybrids between inbred lines derived from the same parental seed stock showed a mean superiority of 8.8 ~ and the hybrids between inbreds from di
The taxonomy of the genus Elaeis is reviewed. E. guineensis and E. oleifera were found to hybridize. Interspecific barriers were only partially developed as was evident from reduced seed set in the interspecific cross and occasional incomplete pairing of chromosomes in the F1 hybrids. However vigoro
Hybrids between B. inermis Leyss (2n=8x=56) and B. riparius Rehm. (2n=10x=70) were easily made. The F1 hybrids had a fertility of 20%-50% under open pollination and backcrossing to B. inermis. Chromosome pairing in B. riparius was predominantly as bivalents (29.04-33.85 per cell for plant means). Bi
F, hybrids of triazine resistant Brassica napus and triazine susceptible B . oleracea were morphologically intermediate to the parent species . Of 49 hybrids examined, 44 had 28 chromosomes, two had 37, one had 38 and two had 56 . The 38-chromosome plant was thought to be a matromorph, the others, A