تأثير رش كلوريد الكالسيوم في الصفات التشريحية لنبات السدر Ziziphus Mill صنفي زيتوني و بمباوي

Abstract EN

The present work was conducted over growing seasons (2001-2002).

In a private orchard, at Abu-AlKhaseeb – Basrah.

It was observed that application of CaCl2 by foliar spray affect the anatomical characters of Ziziphns fruits cvs.

Zaitoni and Bambawi during the growth and developmented stages.

The effect were started at the 6th week after fruit set till the (19th and 22nd) week after fruit set for each Zaitoni and Bambawi respectively.

The rows number of fruit tissue cells and cells size differ in the two cultivars from stage to stage.

Also application of CaCl2 in first growth stage affected the Mesocarp cells division which continue till 12th and 14th weeks after fruit set for Zaitoni and Bambawi respectively.

Through the second growth stage, the cell enlargement continued up and the cell division had stopped, and when the fruit reached the stage of ripening it was Lowe of a vary increasing the cell enlargement and the changes of ripening stage like the disintegration of mesocarp tissue as the fruit became reaching to entered the over ripe stage and this stage the mesoearp tissue became die