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غانم, ., المزين, ., حاتم, . (2019). Evaluation of Ethephon Application on Bollworms, Pectinophora gossvpiella (Saund.) and Earias insulana (Bois.) Infestation and Boll Opening in Cotton Fields تقييم استخدام الإثيفون علي الإصابة بديدان اللوز وتفتيح لوز القطن في حقول القطن. Journal of Plant Protection and Pathology, 10(8), 401-402. doi: 10.21608/jppp.2019.58182
عبد البديع عبد الحمید غانم; جمال على المزين; عبد الخالق السید عبد الرازق حاتم. "Evaluation of Ethephon Application on Bollworms, Pectinophora gossvpiella (Saund.) and Earias insulana (Bois.) Infestation and Boll Opening in Cotton Fields تقييم استخدام الإثيفون علي الإصابة بديدان اللوز وتفتيح لوز القطن في حقول القطن". Journal of Plant Protection and Pathology, 10, 8, 2019, 401-402. doi: 10.21608/jppp.2019.58182
غانم, ., المزين, ., حاتم, . (2019). 'Evaluation of Ethephon Application on Bollworms, Pectinophora gossvpiella (Saund.) and Earias insulana (Bois.) Infestation and Boll Opening in Cotton Fields تقييم استخدام الإثيفون علي الإصابة بديدان اللوز وتفتيح لوز القطن في حقول القطن', Journal of Plant Protection and Pathology, 10(8), pp. 401-402. doi: 10.21608/jppp.2019.58182
غانم, ., المزين, ., حاتم, . Evaluation of Ethephon Application on Bollworms, Pectinophora gossvpiella (Saund.) and Earias insulana (Bois.) Infestation and Boll Opening in Cotton Fields تقييم استخدام الإثيفون علي الإصابة بديدان اللوز وتفتيح لوز القطن في حقول القطن. Journal of Plant Protection and Pathology, 2019; 10(8): 401-402. doi: 10.21608/jppp.2019.58182

Evaluation of Ethephon Application on Bollworms, Pectinophora gossvpiella (Saund.) and Earias insulana (Bois.) Infestation and Boll Opening in Cotton Fields تقييم استخدام الإثيفون علي الإصابة بديدان اللوز وتفتيح لوز القطن في حقول القطن

Article 3, Volume 10, Issue 8, August 2019, Page 401-402  XML PDF (251.32 K)
Document Type: Original Article
DOI: 10.21608/jppp.2019.58182
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Authors
عبد البديع عبد الحمید غانم1; جمال على المزين2; عبد الخالق السید عبد الرازق حاتم2
1قسم الحشرات الاقتصادية- کلية الزراعة – جامعة المنصورة
2معهد بحوث وقاية النباتات – مرکز البحوث الزراعية – دقى - جيزة
Abstract
The present study was conducted at Sakha Agricultural Research Station, Kafr El—Sheikh governorate, Egypt during 2016 and 2017 late cotton seasons. Results showed that Ethephon (plant growth regulator) treatment gave the highest reduction percentage, 56.68 and 37.60% of pink bollworm infestation, Pectinophora gossvpiella (Saund.) with 3 cm3/L, while they were 50.66 and 43.75% of spiny bollworm infestation, Earias insulana (Bois.) with 1.5 cm3/L in 20l6 and 2017 cotton growing seasons, respectively. On the other hand, concentration of Ethephon, 2.5 cm3/L gave the highest increasing of percentages of mature boll opening recording 36.68 arid 22.57% in the two tested seasons respectively, It could be concluded that using Ethephon with 3.0 cm3/L to accelerate mature boll opening in late cotton season.
Keywords
Ethephon; bollworms; Pectinophora gossypiella; Earias insulana; boll opening
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