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Production of vegetables is a major activity of farmers in northern Nigeria, in dry season.The biggest threats to realization of profit is that of insect pests, particularly thrips on onion. Farmers know the importance of early planting and chemicals, they may however not quantify loss or profit if onion is planted at different months of the year and the best chemical to use and when the two are combined. The book gives information on the yield obtained at monthly sowing of onion, and when this is combined with lambda-cyhalothrin. Results show that Thrips tabaci (Thysanoptera: Thripidae) was the dominant insect pest attacking onion and is capable of reducing bulb yield when planting was late in December. Other minor insect pests are Zonocerus variegatus and Spodoptera exigua. Late onion harbours 600 thrips per plant, with third youngest leaf harbouring the highest population, irrespective of age of the crop.Planting in November and March produced 47.7 and 1.5 tons/ha, respectively. Lambda-cyhalothrin at 745 ml/ha gave yield advantage of 7.16 tons/ha over the untreated. The book is intended for farmers growing onion in tropical countries, particularly in the hot season.
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Dr. N.D. Ibrahim is a Senior Lecturer in Entomology at Usmanu Danfodiyo University, Sokoto, Nigeria. B. Sc. (Agriculture), M. Sc.Crop Protection (University of Ibadan) and Ph.D. Crop Protection (University of Ilorin). Currently Chairman, Entomological Society of Nigeria, Sokoto branch.
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- PublisherLAP LAMBERT Academic Publishing
- Publication date2010
- ISBN 10 3838399420
- ISBN 13 9783838399423
- BindingPaperback
- Number of pages204
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Important insect pests of onion in Sokoto, Nigeria: Controlling insect pests of onion
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Important insect pests of onion in Sokoto; Nigeria
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Important insect pests of onion in Sokoto, Nigeria
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Book Description Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Production of vegetables is a major activity of farmers in northern Nigeria, in dry season.The biggest threats to realization of profit is that of insect pests, particularly thrips on onion. Farmers know the importance of early planting and chemicals, they may however not quantify loss or profit if onion is planted at different months of the year and the best chemical to use and when the two are combined. The book gives information on the yield obtained at monthly sowing of onion, and when this is combined with lambda-cyhalothrin. Results show that Thrips tabaci (Thysanoptera: Thripidae) was the dominant insect pest attacking onion and is capable of reducing bulb yield when planting was late in December. Other minor insect pests are Zonocerus variegatus and Spodoptera exigua. Late onion harbours 600 thrips per plant, with third youngest leaf harbouring the highest population, irrespective of age of the crop.Planting in November and March produced 47.7 and 1.5 tons/ha, respectively. Lambda-cyhalothrin at 745 ml/ha gave yield advantage of 7.16 tons/ha over the untreated. The book is intended for farmers growing onion in tropical countries, particularly in the hot season. 204 pp. Englisch. Seller Inventory # 9783838399423
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Important insect pests of onion in Sokoto, Nigeria Controlling insect pests of onion
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Important insect pests of onion in Sokoto, Nigeria
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Book Description Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: ibrahim nasiruDr. N.D. Ibrahim is a Senior Lecturer in Entomology at Usmanu Danfodiyo University, Sokoto, Nigeria. B. Sc. (Agriculture), M. Sc.Crop Protection (University of Ibadan) and Ph.D. Crop Protection (University of Ilorin). C. Seller Inventory # 5420149
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Important insect pests of onion in Sokoto, Nigeria : Controlling insect pests of onion
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ISBN 13: 9783838399423
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Book Description Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Production of vegetables is a major activity of farmers in northern Nigeria, in dry season.The biggest threats to realization of profit is that of insect pests, particularly thrips on onion. Farmers know the importance of early planting and chemicals, they may however not quantify loss or profit if onion is planted at different months of the year and the best chemical to use and when the two are combined. The book gives information on the yield obtained at monthly sowing of onion, and when this is combined with lambda-cyhalothrin. Results show that Thrips tabaci (Thysanoptera: Thripidae) was the dominant insect pest attacking onion and is capable of reducing bulb yield when planting was late in December. Other minor insect pests are Zonocerus variegatus and Spodoptera exigua. Late onion harbours 600 thrips per plant, with third youngest leaf harbouring the highest population, irrespective of age of the crop.Planting in November and March produced 47.7 and 1.5 tons/ha, respectively. Lambda-cyhalothrin at 745 ml/ha gave yield advantage of 7.16 tons/ha over the untreated. The book is intended for farmers growing onion in tropical countries, particularly in the hot season. Seller Inventory # 9783838399423
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Important insect pests of onion in Sokoto, Nigeria Controlling insect pests of onion
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ISBN 13: 9783838399423
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Book Description Condition: New. First Edition. First Edition thus. Important insect pests of onion in Sokoto, Nigeria by Nasiru Ibrahim. ISBN:9783838399423. Collectible item in excellent condition. Seller Inventory # 3838399423
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