Florin Dumitru Bora

Evaluation of Photosynthesis Capacity of Some Winter Wheat Genotypes in Transylvanian Plain Conditions

Leaf photosynthetic capacity is a key parameter determining crop yield; it is enhanced by moderate soil moisture and reduced in both severe water deficit and excessive water conditions. The aim of this work was to evaluate the wheat variety photosynthetic capacity in two main phenological stages. The evaluation of photosynthesis capacity of studied winter wheat varieties in Transylvanian Plain conditions offer relevant information on Romanian genetic material type and paving the way of new research directed to a new wheat breeding program criteria and for improvement of those.

Analysis and Evaluation of The Main Ecoclimatic Conditions From Romania's Vineyards

Vines act as indicators in relation ecoclimatic changes and they are particularly sensitive to temperature changes. Temperature is a limiting factor and define the distribution area for all plants. The main objective of this paper is to present the climatic conditions such as temperature, insolation, rainfall and cloudiness of Romanian main vineyards (Dealu Bujorului, Murfatlar, TA¢rnave, IaE™i, ștefAƒneE™ti-ArgeE™i). The thermal balance with the highest values was recorded in Murfatlar vineyard having a value of 5288 (I£tg), the active thermal balance (I£ta) 4815, and the useful thermal balance (I£tu) 2514. Insolation and precipitations are in normal parameters for viticulture. The highest values of the real heliothermic index (IHr), hydrothermal coefficient (CH) and wine bioclimatic index (Ibcv) were recorded in Murfatlar vineyard (IHr=4.1; CH=0.8 and Ibcv=11.4). The result show that the ecoclimatic conditions from the studied vineyards are favorable, that makes possible the production of both red and white wines of high quality in these areas.