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wyszukanych pozycji: 6
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Performance of the aphid parasitoid, Diaeretiella rapae (M' Intosh)
ISBN: 9783659574030 / Angielski / Miękka / 2014 / 404 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. The aphid species are major insect pests of many plants, mainly crucifers, in several parts of the world. It is not admissible to use chemical pesticides to control such pests especially on the edible crops which are consumed as a human food. The routine application of these pesticides to control aphids has two adverse impacts, firstly they are mostly non selective and kill aphid natural enemies, which causes further disturbance of the ecosystem. Secondly, as in other species, resistant strains of aphids can be expected to develop soon.The present study aims to throw some light on the...
The aphid species are major insect pests of many plants, mainly crucifers, in several parts of the world. It is not admissible to use chemical pestici...
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cena:
425,93 zł |
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Natural Enemies of certain piercing sucking pests in Egypt
ISBN: 9783330843974 / Angielski / Miękka / 2017 / 272 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
339,75 zł |
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Ecological and Biological Studies on Certain Aphid Parasitiods
ISBN: 9783847342939 / Angielski / Miękka / 96 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Three aphid parasitoids were emerged from the mummies Aphis craccivora namely: Lysiphlebus fabarum, Diaeretialla rapae and Ephedrus sp. Diaeretialla rapae as a parasitoid on A. craccivora is the first record in Egypt. One parasitoid emerged from Brevicoryne brassica, while there were two aphid parasitoids emerged from S. avenae namely: Aphidius sp. and D. rapae. Also two aphid parasitoids were emerged from mummies R. maidis and R. padi namely: D. rapae and Praon sp .This study is considered the first in Egypt which studied the effect of certain weather factors on the population density of the...
Three aphid parasitoids were emerged from the mummies Aphis craccivora namely: Lysiphlebus fabarum, Diaeretialla rapae and Ephedrus sp. Diaeretialla r...
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cena:
222,26 zł |
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Relationship between intercropping soybean on maize and IPM of pests
ISBN: 9783659169007 / Angielski / Miękka / 2014 / 80 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Inter cropping techniques between soybean and maize is one of agricultural practices to improve the quantity of crop production will reduce the environmental problems . In addition decreased cultivated area of rice and increased cultivated area of maize.Maize and soybean was infested by several pests and diseases which cause damage in quality and quantity in final yield, the frequent and excessive use of pesticides which affected the ecosystem, so that the present work focus to study some intercropping systems of soybean and maize, carry out studies on maize and soybean, survey and population...
Inter cropping techniques between soybean and maize is one of agricultural practices to improve the quantity of crop production will reduce the enviro...
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cena:
180,99 zł |
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Mass Production and Field Application of some Aphid Natural Enemies
ISBN: 9783845479927 / Angielski / Miękka / 2011 / 164 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
308,45 zł |
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The role of natural enemies against certain aphid species
ISBN: 9783330847712 / Angielski / Miękka / 2017 / 164 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
294,39 zł |
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