Abstract
The present study focused on the seasonal abundance of varioussucking pests observed on cotton plants in relation to their associatednatural enemies at three different sowing dates to determine the bestsowing date could escape from the infestation at Gemmeiza AgriculturalResearch Station, El-Gharbia Governorate during 2006- 2007 cottonseasons. This study clarify that there are three piercing-sucking speciesinfesting cotton plants. Theses species are cotton whitefly, Bemisia tabaci(Genn.), cotton leaves Jassid, Emboasca lybica (Deg.) and cotton aphid,Aphis gossypii Glover. The associated natural enemies were lady birdCoccinella undecimpunctata (L.) & C. septempunctata (L.), Scymnusinterruptus (Goeze.) & S. syriacus (Marseu), rove beetle, Paederusalfierii (Koch); Orius albidiennis (Reuter), O. laevigatus (Fiebern),Green lacewing, Chryso/la carnea (Steph.) and true spiders. From thisstudy it could be concluded that the first sowing date was the suitable onefor cultivating cotton plants which the suitable date for predator'sactivation (build up) and resultant in piercing-sucking pest's reductionespecially A. gossypii. However, the obtained results are of greatimportance for the sowing date recommendation to improve and develop < br />the crop management program in cotton fields
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Claims 3
Claim · model-written summary
Whitefly, jassid and aphid species infested cotton.
- Taxon
- COTTON PLANTS
Gossypium hirsutumt0 - Outcome
- cotton whitefly, Bemisia tabaci(Genn.), cotton leaves Jassid, Emboasca lybica (Deg.) and cotton aphid,Aphis gossypii Glovere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Theses species are cotton whitefly, Bemisia tabaci(Genn.), cotton leaves Jassid, Emboasca lybica (Deg.) and cotton aphid,Aphis gossypii Glover”
t0“COTTON PLANTS”
Claim · model-written summary
The first sowing date supported predator buildup and reduced piercing-sucking pests, especially aphids.
- Taxon
- cotton plantsGossypium hirsutume0
- Treatment
- first sowing datee0
- Interactor
- A. gossypii
Aphis gossypiie0pest - Outcome
- piercing-sucking pest's reductione0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the first sowing date was the suitable onefor cultivating cotton plants which the suitable date for predator'sactivation (build up) and resultant in piercing-sucking pest's reductionespecially A. gossypii”
Claim · model-written summary
The authors recommend the first sowing date for cotton crop management.
- Taxon
- cotton plantsGossypium hirsutume0
- Outcome
- first sowing datee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the first sowing date was the suitable onefor cultivating cotton plants”
The same questions in other papers
sowing time · Aphis gossypii · Gossypium hirsutum (cotton)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.