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Cairo University (2016)

Effect of plant density and calcium nutrition on growth and yield of some faba bean varieties under saline conditions

RAMADAN ABD EL-WAHED BADAWY

Titre : Effect of plant density and calcium nutrition on growth and yield of some faba bean varieties under saline conditions

Auteur : RAMADAN ABD EL-WAHED BADAWY

Université de soutenance : Cairo University

Grade : Doctor of Philosophy in Agricultural Sciences 2016

Résumé
The alleviation of adverse salinity effects to increase faba bean (Vicia faba L.) productivity is an important agronomic practice. Two field experiments were conducted in the Desert Experimental Station of the Faculty of Agriculture, Cairo University in Wadi El-Natroon, El-Beheira Governorate, Egypt, during two winter seasons of 2013/14 and 2014/15 to investigate the effect of three levels of calcium nutrition (0, 1 and 2g Ca/liter) on three faba bean varieties (Sakha-1, Sakha-2 and Nubaria-2) under two plant densities (26 and 54 plants/m2). A split-spilt plot design with four replications was used. The main plots consisted of three calcium levels, sub-plots were allocated to three varieties, while sub-sub plots were devoted to two plant densities (26 and 54 plant/m2). The obtained results revealed that calcium application as foliar spray significantly increased number of branches and pods/plant, weight of seeds/plant, seed index, seed yield/feddan and harvest index. In general, sakha-1 cultivar recorded the highest seed yield/feddan. The plant density of 54 plants/m2 recorded the highest seed yield/feddan and harvest index. The interaction between calcium nutrition and varieties had a significant effect on weight of seeds/plant, seed index and harvest index in both seasons. The highest seed yield/ feddan was obtained from calcium application at 2 g/liter combined with Sakha-1 and 54 plants/m2.

Mots clés : Vicia faba, salinity, calcium, density, variety, Egypt.

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