The blossoms of the almond tree are very susceptible to frost. -As the almond blooms earlier than other orchard fruits it is often subjected to much more severe frosts than occur during the blooming period of the later fruits. As a result of this tenderness of the blossoms and the early period of blooming the crop secured is materially decreased. With the hope of improving our present varietie...

european corn borer, ostrinia nubilalis hb. is a polyphagous insect, recognizing world widely as the predominant pest of maize. in this research the relative resistance of eleven hybrids of maize was evaluated in a field in agricultural and natural resources research center of moghan. this experiment was conducted in three replicates in a complete randomized block design. for comparison of the ...

Hybrids as various resources have valuable importance in tree breeding. Today, improvement programs by using poplar and willows and their hybrids play basic role in supplying wood and decreasing pressure on natural forests. This research was carried out in order to study inter-generic hybridization possibility between Salix aegyptica and Populus caspica species from Salicaceae to achieve new hy...

Striae gravidarum (SG), or stretch marks developing during pregnancy, affect up to 90% of women. While not medically dangerous, SG can be disfiguring, causing emotional and psychological distress. However, studies specifically addressing the prevention of SG, especially during pregnancy, are sparse. Furthermore, the molecular pathogenesis of SG is unclear and may differ from that of striae from...

This paper examines the economic effects of investment in developing and introducing Almond Late Flowering Cultivars (ALFC) in a period of 52 years from 1968 to 2020, developed in Sahand Horticultural Research Station (SHRS), using the economic surplus model and field survey data. ALFC make almond supply curve move less to the left when there is a chilling case, thus affect the economic surplus...

Seasonal change of total carbohydrate contents in samples taken from leaves and stems of almond varieties was investigated. Carbohydrate contents in the leaves and stem of all varieties showed seasonal differences. The highest carbohydrate content in the leaves and stem of all varieties was found in April, and January, respectively. The lowest carbohydrate content in the leaves of Nonpareil was...