Generally, low temperature treatment resulted in decreasing of maize pollen viability. The reliable effect of genotype and temperature was revealed by two factor analysis of variance (Table 1). The results obtained indicated that pollen viability of MR4 progeny of inbred lines 346 and 502 was less genotype-dependent than that of their waxy counterparts. It should be noted that pollen viability of MR4 progeny of inbred line 502 was more temperature-dependent in comparison with MR4 progeny of other inbred lines. Thus, a significant variability of male gametophyte viability among plants of the MR4 generation was found.
Table 1. Genotype and temperature effect
(%) on male gametophyte viability
|MR4 progeny of inbred lines:||genotype||temperature||their interaction|
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