EFFECT OF SPRAYING LIME AND SOME FUNGICIDES ON VINE GROWTH AND CONTROL OF DEAD ARM DISEASE AND BUNCH ROT OF RUBY SEEDLESS GRAPEVINES
Abd Elghany, A., Abo-Rehab, M. (2007). EFFECT OF SPRAYING LIME AND SOME FUNGICIDES ON VINE GROWTH AND CONTROL OF DEAD ARM DISEASE AND BUNCH ROT OF RUBY SEEDLESS GRAPEVINES. EKB Journal Management System, 32(4), 2929-2936. doi: 10.21608/jpp.2007.207695
A. A. Abd Elghany; M. E. Abo-Rehab. "EFFECT OF SPRAYING LIME AND SOME FUNGICIDES ON VINE GROWTH AND CONTROL OF DEAD ARM DISEASE AND BUNCH ROT OF RUBY SEEDLESS GRAPEVINES". EKB Journal Management System, 32, 4, 2007, 2929-2936. doi: 10.21608/jpp.2007.207695
Abd Elghany, A., Abo-Rehab, M. (2007). 'EFFECT OF SPRAYING LIME AND SOME FUNGICIDES ON VINE GROWTH AND CONTROL OF DEAD ARM DISEASE AND BUNCH ROT OF RUBY SEEDLESS GRAPEVINES', EKB Journal Management System, 32(4), pp. 2929-2936. doi: 10.21608/jpp.2007.207695
Abd Elghany, A., Abo-Rehab, M. EFFECT OF SPRAYING LIME AND SOME FUNGICIDES ON VINE GROWTH AND CONTROL OF DEAD ARM DISEASE AND BUNCH ROT OF RUBY SEEDLESS GRAPEVINES. EKB Journal Management System, 2007; 32(4): 2929-2936. doi: 10.21608/jpp.2007.207695

EFFECT OF SPRAYING LIME AND SOME FUNGICIDES ON VINE GROWTH AND CONTROL OF DEAD ARM DISEASE AND BUNCH ROT OF RUBY SEEDLESS GRAPEVINES

Journal of Plant Production
Article 27, Volume 32, Issue 4, April 2007, Page 2929-2936  XML PDF (482.6 K)
Document Type: Original Article
DOI: 10.21608/jpp.2007.207695
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Authors
A. A. Abd Elghany1; M. E. Abo-Rehab2
1Hort. Res. Institute, Agric. Res. Center, Giza, Egypt.
2Patholoy Res. Institute, Agric. Res. Center, Giza, Egypt.
Abstract
A field trial was conducted in 2005, 2006 and extended to January 2007 on 12-years-old Ruby Seedless grapevines trained by quadric lateral cordon and spur pruned. Vines were sprayed with lime after two weeks of berry set, CaCl2 one week later, lime and CaCl2 with wettable sulfur at short intervals weekly from full bloom   until the fourth week after berry set. Copper oxichloride was sprayed at the fourth week of berry set mixed with the dose of wettable sulfur of this week. One concentration (3 g/L) was used from each compound. All the experimental vines   were sprayed with wettable sulfur at 15 days interval from bud burst as long as  temperature was lower than 28 oC.
Vine vigor expressed in terms of weight of pruning wood, dry weight and carbohydrate content of basal canes  were improved in the second and third season of the study; carbohydrate content was improved in the second season compared to control as affected by experimental foliar spraying compounds. The best  improvement occurred with spraying vines with lime (3 g/L), CaCl2 and wettable   sulfur (3 g/L) at short interval weekly from full bloom until fourth week of berry set. Copper oxichloride       (3 g/L) was applied once  mixed with the dose of wettable sulfur in the fourth week of berry set. However, this treatment significantly reduced disease severity of both dead-arm and bunch rot disease. Also, this treatment reduced the number of both dead spurs of last season seasons compared with        the first and second  of winter pruning of the study.
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