EFFECTS OF SOWING DATE AND PINCHING ON BROCCOLI SEED PRODUCTION

A Abou El-Yazied; M Solaiman; A El-Gizawy; H.G Abd El-Gawad

EFFECTS OF SOWING DATE AND PINCHING ON BROCCOLI SEED PRODUCTION

2007

A Abou El-Yazied | M Solaiman | A El-Gizawy | H.G Abd El-Gawad

A field experiment was conducted at the exper-imental farm of the Faculty of Agriculture, Ain Shams University, Shoubra Elkheima, Kalubia governorate, during 2002/2003 and 2003/2004 seasons to study the effects of three sowing dates, i.e., the first of each of September, October and November, and four pinching treatments (pinching the apical head just after appearance, pinching the main head at the marketable stage, pinching the axillary head just after appearance (disbudding) and without pinching) on broccoli plants (Brassica olerasea var Italica), cultivar “Emperor”. Plants were grown in Kaliobia under loamy soil conditions. Plants of the second sowing date (first of October) produced the tallest plants and the highest number of leaves per plant. Plants grown on the first of October plantation, pinching the main head at the marketable stage or the com-bination between them recorded the highest values of number of siliques/ plant, number of seeds/ plant, and seed yield.

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