Morphogenic response in vitro of epicotyl segments of Citrus macrophylla.

In Vitro Plant Regeneration from Epicotyls Segments of Carrizo Citrange.

Studio sul potenziale morfogenico di segmenti di epicotile di Citrus macrophylla Wester.

Studio di protocolli efficienti da utilizzare per la propagazione in vitro di cultivar siciliane di olivo (Olea europaea L.) mediante lo studio dei fattori che influenzano il successo della coltura.

Organogenesi in vitro da porzioni di epicotile di citrange Troyer (Citrus sinensis [L.] Osbeck x Poncirus trifoliata L. Raf.)

Response of transgenic mannitol-producing tobacco plants to water deficit

Transgenic mannitol-producing (+mtlD) and wild type (-mtlD) tobacco plants were exposed to water deficit to test whether mannitol is involved in drought stress protection. Rooted cuttings of -mtlD and +mtlD plants were fully irrigated (100% ET) or received 25% ET for 40 days, followed by 20 days of re-watering. Water deficit reduced RWC of both plant types starting on the 22nd day, total stem length of -mtlD 25% ET already after 11 days, whereas that of +mtlD 25% ET only after 34 days. After 30 days of deficit, a greater percentage of mature foliage was retained by +mtlD 25% ET compared to -mtlD 25% ET. Mannitol-1-phosphate dehydrogenase activity of +mtlD plants was not affected by water de…