Mohamed,, S., Abdel-Wahab, I., Osman, E. (2006). EFFECT OF CERTAIN INSECTS AND DISEASES INFECTION AND THEIR CONTROL ON THE YIELD. YIELD COMPONENTS AND FIBER QUALITY OF SOME EGYPTIAN COTTON VARITIES. Journal of Plant Protection and Pathology, 31(8), 5465-5478. doi: 10.21608/jppp.2006.235241
S. A.S. Mohamed,; I. S. Abdel-Wahab; Eman A.M. Osman. "EFFECT OF CERTAIN INSECTS AND DISEASES INFECTION AND THEIR CONTROL ON THE YIELD. YIELD COMPONENTS AND FIBER QUALITY OF SOME EGYPTIAN COTTON VARITIES". Journal of Plant Protection and Pathology, 31, 8, 2006, 5465-5478. doi: 10.21608/jppp.2006.235241
Mohamed,, S., Abdel-Wahab, I., Osman, E. (2006). 'EFFECT OF CERTAIN INSECTS AND DISEASES INFECTION AND THEIR CONTROL ON THE YIELD. YIELD COMPONENTS AND FIBER QUALITY OF SOME EGYPTIAN COTTON VARITIES', Journal of Plant Protection and Pathology, 31(8), pp. 5465-5478. doi: 10.21608/jppp.2006.235241
Mohamed,, S., Abdel-Wahab, I., Osman, E. EFFECT OF CERTAIN INSECTS AND DISEASES INFECTION AND THEIR CONTROL ON THE YIELD. YIELD COMPONENTS AND FIBER QUALITY OF SOME EGYPTIAN COTTON VARITIES. Journal of Plant Protection and Pathology, 2006; 31(8): 5465-5478. doi: 10.21608/jppp.2006.235241
EFFECT OF CERTAIN INSECTS AND DISEASES INFECTION AND THEIR CONTROL ON THE YIELD. YIELD COMPONENTS AND FIBER QUALITY OF SOME EGYPTIAN COTTON VARITIES
2Plant Protection Research Institute. A.R.C., Giza, Egypt.
3Plant Pathology Research Institute, Agric. Res. Center, Giza. Egypt
Abstract
This investigation was carried out at Giza Experimental Station, Agricultural
Research Center, during two successive growing seasons (2003-2004) to study the
effect of pests and diseases infection on the yield, yield components and fiber
quality of the Egyptian cotton varieties, Giza 80, Giza 83, Giza 90, Giza 85, Giza 88,
Giza 89 and Giza 88 grown in pots having natural field soil. Data showed that there
was no interaction between cultivar and treatment. The percentage of diseases
infection was significantly affected by the treatment. Treatments (T3) 3 gmiKg
monoceren seed treatment and (T4) 3 nKg gausho and monoceren seed
treatment significantly reduced infection by 38.5% and 33.3%, respectively.
Regarding to the cultivar, application of Gausho (T2) had no effect on the
percentage of infection. These results indicate that application of seed-dressing
fungicides was indispensable to protect seedlings against fungi involved in
damping-off.
Highly significant interactions were found between varieties and treatments
for Aphids, while it was significant for whitefly. The Egyptian cotton varieties losses
about 25.2 to 58.2% for the seed cotton yield due to pests. While it losses about
101% to 38.2% for seed cotton yield due to diseases. Giza 90 variety gave a
highest tolerance than the other varieties against pests infection followed by Giza
83 and Giza 80, respectively. Diseases infection Giza 90 variety gave highest
tolerance followed by Giza 89.
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