The role of gibberellic acid in the pollen-pistil interaction in sporophytic self-incompatible systems
作者： Renuka Kashyap , Shrish C. Gupta
DOI: 10.1007/BF00024772
关键词: Botany 、 Pollen 、 Callose 、 Pollen-pistil interaction 、 Raphanus 、 Germination 、 Gibberellic acid 、 Gibberellin 、 Biology 、 Brassicaceae
摘要: Self-incompatibility is exhibited by callose deposition in the stigmatic papillae and total inhibition of pollen germination sporophytic self-incompatible (SSI) systems Ipomoea cairica (Convolvulaceae), Brassica campestris Raphanus sativus (Brassicaceae). This has been partially overcome, vitro treating and/or stigma with gibberellic acid (GA3). Experiments employing tryptophan chlorocholine chloride either alone or combination GA3 (10−3 M) further elucidate role gibberellin overcoming barrier to self-compatibility. These results support our earlier contention [7, 24] that growth regulators play a significant pollen-pistil recognition SSI systems.
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