Fish oocyte development monitoring is a mandatory operation when studying breeding in captivity as well the wild. In aquaculture, it required to determine best fertilization time. wild, helps detect spawning grounds, distribution of fish species and interaction between animals their environment. both settings, conventional technique for developmental stage identification consists handling sampl...

Akebia trifoliata, commonly named augmelon (means August plus melon), has been domesticating as a new artificial cultivation fruit crop in China for several years. Generally, field management measurements are severely dependent on the development dynamic of harvest organs, and therefore study stage A. trifoliata is urgent production. In this study, four cloned lines with various spindle, nephro...

1- introduction crop development is qualitative changes planned that led the plant to ripening. factors such as water available, nitrogen and photosynthetic materials are affected growth and development. under irrigated conditions expected that all of factors except climate elements be controlled. thus, only climate elements able to change of plant growth and development and under these conditi...