Abuzeed, A., Ragab, M., Abd Elhady, S., El-Sharkawy, Z. (2018). EFFECT OF IRRIGATION LEVELS AND FOLIAR SPRAYING WITH SEAWEED EXTRACT, POTASSIUM SILICATE AND ABSCISIC ACID ON GROWTH, CORM YIELD AND QUALITY OF TARO. test, 26(Special issue (2D)), 2275-2285. doi: 10.21608/ajs.2018.35342
Amira M.M. Abuzeed; M. E. Ragab; S. A. Abd Elhady; Zahra A.A. El-Sharkawy. "EFFECT OF IRRIGATION LEVELS AND FOLIAR SPRAYING WITH SEAWEED EXTRACT, POTASSIUM SILICATE AND ABSCISIC ACID ON GROWTH, CORM YIELD AND QUALITY OF TARO". test, 26, Special issue (2D), 2018, 2275-2285. doi: 10.21608/ajs.2018.35342
Abuzeed, A., Ragab, M., Abd Elhady, S., El-Sharkawy, Z. (2018). 'EFFECT OF IRRIGATION LEVELS AND FOLIAR SPRAYING WITH SEAWEED EXTRACT, POTASSIUM SILICATE AND ABSCISIC ACID ON GROWTH, CORM YIELD AND QUALITY OF TARO', test, 26(Special issue (2D)), pp. 2275-2285. doi: 10.21608/ajs.2018.35342
Abuzeed, A., Ragab, M., Abd Elhady, S., El-Sharkawy, Z. EFFECT OF IRRIGATION LEVELS AND FOLIAR SPRAYING WITH SEAWEED EXTRACT, POTASSIUM SILICATE AND ABSCISIC ACID ON GROWTH, CORM YIELD AND QUALITY OF TARO. test, 2018; 26(Special issue (2D)): 2275-2285. doi: 10.21608/ajs.2018.35342

EFFECT OF IRRIGATION LEVELS AND FOLIAR SPRAYING WITH SEAWEED EXTRACT, POTASSIUM SILICATE AND ABSCISIC ACID ON GROWTH, CORM YIELD AND QUALITY OF TARO

Arab Universities Journal of Agricultural Sciences
Article 15, Volume 26, Special issue (2D) - Serial Number 6, February 2018, Pages 2275-2285    PDF (625.46 K)
Document Type: Original Article
DOI: 10.21608/ajs.2018.35342
Authors
Amira M.M. Abuzeed1; M. E. Ragab2; S. A. Abd Elhady2; Zahra A.A. El-Sharkawy1
1Potato and Vegetatively Propagated Vegetable Dept., Horticulture Research Institute, Agric. Research Center, Giza, Egypt
2Horticulture Dept., Fac. of Agric., Ain Shams Univ. P.O. Box 68, Hadayek Shobra 11241, Cairo, Egypt
Abstract
The field experiment was established at the experimental farm of the Horticultural Research Station of Barrage, Qalyubia Governorate during 2014 and 2015 growing seasons to evaluate the impact of irrigation levels i.e.,120, 100, 80 and 60% of the evapotranspiration (ETc) and stress alleviation substances (seaweed extract, potassium silicate and abscisic acid against control treatment) on growth, corm yield and quality of taro (Colocasia esculenta cv. Balady), with a particular attempt  to establish irrigation water strategy for taro cultivation. The results indicated a reduction in plant growth and corm yield as well as quality due to minimizing irrigation level from 120 to 60% ETc. But the highest water use efficiency (WUE) was obtained with 80% irrigation level. Seaweed extract showed a superior enhancement in all measured vegetative, yield and quality parameters followed by potassium silicate compared to abscisic acid or control. Seaweed extract heightened the WUE compared to other substances. Results concluded that using 80% irrigation level accompanied by spraying plants with seaweed extract  led to a mild reduction in the plant growth, yield and quality but conferred the higher WUE compared to other interactive treatments.
Keywords
Taro; Vegetative growth; Deficit Irrigation; Stress alleviation substances; seaweed extract; potassium silicate; Abscisic; Corm yield; water use efficiency
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