EFFECT OF FOLIAR APPLICATION WITH ORGANIC COMPOUNDS ON GROWTH, YIELD AND TUBERS QUALITY OF POTATO (Solanum tuberosum L.)
El-Banna,, E., Ashour, S., Abd-EI-Salam, H. (2006). EFFECT OF FOLIAR APPLICATION WITH ORGANIC COMPOUNDS ON GROWTH, YIELD AND TUBERS QUALITY OF POTATO (Solanum tuberosum L.). EKB Journal Management System, 31(2), 1165-1173. doi: 10.21608/jssae.2006.236943
E. N. El-Banna,; S. A. Ashour; H. Z. Abd-EI-Salam. "EFFECT OF FOLIAR APPLICATION WITH ORGANIC COMPOUNDS ON GROWTH, YIELD AND TUBERS QUALITY OF POTATO (Solanum tuberosum L.)". EKB Journal Management System, 31, 2, 2006, 1165-1173. doi: 10.21608/jssae.2006.236943
El-Banna,, E., Ashour, S., Abd-EI-Salam, H. (2006). 'EFFECT OF FOLIAR APPLICATION WITH ORGANIC COMPOUNDS ON GROWTH, YIELD AND TUBERS QUALITY OF POTATO (Solanum tuberosum L.)', EKB Journal Management System, 31(2), pp. 1165-1173. doi: 10.21608/jssae.2006.236943
El-Banna,, E., Ashour, S., Abd-EI-Salam, H. EFFECT OF FOLIAR APPLICATION WITH ORGANIC COMPOUNDS ON GROWTH, YIELD AND TUBERS QUALITY OF POTATO (Solanum tuberosum L.). EKB Journal Management System, 2006; 31(2): 1165-1173. doi: 10.21608/jssae.2006.236943

EFFECT OF FOLIAR APPLICATION WITH ORGANIC COMPOUNDS ON GROWTH, YIELD AND TUBERS QUALITY OF POTATO (Solanum tuberosum L.)

Journal of Soil Sciences and Agricultural Engineering
Article 4, Volume 31, Issue 2, February 2006, Page 1165-1173  XML PDF (2.84 MB)
Document Type: Original Article
DOI: 10.21608/jssae.2006.236943
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Authors
E. N. El-Banna,1; S. A. Ashour1; H. Z. Abd-EI-Salam2
1Potato and Vegetatively Propagated Veg. Dept; Hort. Res. Inst; Agric. Res. Center, Giza, Egypt.
2Plant Nutrition Dept; Soil, Water and Environ.; Res. Inst; Agric. Res. Center, Giza, Egypt .
Abstract
Two fieid experiments were carried out during the summer seasons of 2002
and 2003 on potato cv. ( Spunta ) in clayey loamy soil at El-Baramoon Res .Station,
Mansoura, Dakahiia Governorate, to study the effect of foliar application with organic
compounds i.e. ascorbic acid ,citric acid and oxalic acid and their combinations
with the nitrogenous fertilization at rate of (150 kg/fed) compared with similar rate of
nitrogen fertilization alone without foliar application on vegetative growth, yield, tubers
quality and some chemical contents of foliage and tubers.
Results showed that the foliar application with mixture of (ascorbic acid +
citric acid) at rate of (7’50+750 ppm)‘L twice at 7 and 9 weeks after planting was very
effective on vegetative growth parameters Le, plant height (cm) ,fresh weight of
foliagefplant (g) and dry weight of foliage (0/0) ; as well as , average of the tuber
weight (9) ,total tubers yield (ton/ feddan) , dry matter of tuber (%) and starch content
of tubers (%)compared with the other treatments . On the other hand , the main
stems number I plant , number of tubers/piant and tuber content of protein (%) were
not affected significantly by the different treatments during the two seasons . N, P and
K contents in both leaves at 90 DAP and tubers at harvest were significantly
increased by applying the foliar spraying with mixture of (ascorbic acid + citric acid)
at rate of (750+?50 loprri)‘L in the two summer seasons of 2002 and 2003 .
The results revealed that applying the foliar spraying with mixture of (ascorbic
acid + citric acid at rate of 750 + 750 ppm)’L on potato plants twice at 7 and 9 weeks
after planting under conditions of nitrogen fertilization at rate of 150 kgifed. ted to
increase of vegetative growth parameters and increment of total tubers yieid/fed by
12.88% (average of two study seasons), as well as tubers quaiity improvement
compared with the same rate of nitrogen fertilization alone without foliar application by
organic compounds (control).
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