Study of the effect of using bumblebees and organic carbon in improving fruit set and yield of tomato under green house

The experiment was carried out at Jableh region during 2012-2013 in two green houses to study the effects of using the bumble bees and organic carbon to improve flower set and yield of tomato hybrid Dalloula . The experiment included three treatments : natural pollination (control) ,flowers pollination by organic carbon, and flowers pollination by bumble bees . The first and second treatments were applied in the first green house , and the third treatment was applied in the second green house . Results showed that the bumble bees treatment produced significantly the highest percentage of flower set and yield than the other treatments . Flower set of tomato over 10 clusters was 89.8% , 83.7% , 39.2% for bumble bees treatment, organic carbon treatment, and control , respectively. The highest yield (22 kg/m2)was obtained from bumble bees treatment . Flowers pollinated by bumble bees gave fruits that looked better in shape , size and color ,and with higher weights . In the bumble bee pollinated flowers , the quality of fruits was superior for vitamin C , sugar and acidity .

In Vitro Propagation and In Vivo Acclimatization of Sour Orange (Citrus aurantium L.)

Some factors which affect in vitro propagation of sour orange (Citrus aurantium. L.) were studied on Murashige and Skoog medium. Medium containing ١,٠ mg/L ٦-Benzylaminopurine (BA) was satisfactory for shoot multiplication, Dichlorophenoxyacetic acid (٢،٤-D) was not effective for shoot proliferation and it enhanced callus formation.

The effect of Olive Mill waste water(OMWW) on some soil properties and its content of some micro elements and the quality of tomato plant grown in the green house

A research was carried out at Al-Sanouber research station in Lattakia in 2013/2014 season ,The research included six treatments with four replicates for each treatment. Six treatments used of OMWW (0 , 10 , 20 , 30 , 40 , 50) l/m2. The OMWW has been added 40 days before planting. Samples of soil have been taken before adding OMWW, then after one and two months from planting, and at the end of the season in order to make some physical and chemical analysis and also to know the concentration of some micro elements .

Effect of Solid and Liquid Organic Fertilizers From Digestate in some Vegetative Characteristics of Tomato in Green House

This research was conducted in plastic house in Zahed local for organic agriculture in Tartous in two agriculture season during (2014-2015) and (2015-2016) to study the effect of solid and liquid organic fertilizer from digstate on some vegetative characteristics of tomato plant (hybride Nesma) in green house 10 treatments with 4 replicates.