𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Influence of growth room and vessel humidity on thein vitrodevelopment of rose plants

✍ Scribed by Huguette Sallanon; Yves Maziere

Publisher
Springer
Year
1992
Tongue
English
Weight
724 KB
Volume
30
Category
Article
ISSN
0167-6857

No coin nor oath required. For personal study only.

✦ Synopsis

An increase of the vapor pressure deficit (VPD) of the growth room atmosphere (from 600 Pa up to 2000 Pa) induced a variation in the air VPD inside the vessels used for rose micropropagation.

During the photoperiod, the in vitro plants lost water by evaporation. During the night period, depending upon the VPD of the growth room, plants could take water from the vessel atmosphere.

According to the intensity of the transpiration, large changes in the growth and morphology were observed: decrease in multiplication rate, modification of leaf colour and area, reduction of the elongation and changes of the level of axillary buds which grew.

πŸ“œ SIMILAR VOLUMES

Water relations and growth of rose plant
Water relations and growth of rose plants culturedin vitrounder various relative humidities
✍ Jaleh Ghashghaie; FranΓ§oise Brenckmann; Bernard Saugier πŸ“‚ Article πŸ“… 1992 πŸ› Springer 🌐 English βš– 505 KB

Stomatal malfunctioning is one of the main reasons why plants desiccate when transferred from in vitro to greenhouse conditions. In order to overcome this problem in Rosa hybrida cv. Madame G. Delbard (R) Deladel, two techniques, bottom cooling and water vapour permeable lid, were used. Both methods