NEW APPROACHES TO CONTROL CUCUMBER PEST INFESTATION WITH EMPHASIS ON PRODUCTIVITY AND CROP CHARACTERISTICS UNDER GREENHOUSE CONDITIONS

Document Type : Original Article

Authors

1 Plant Protection Research Institute, , Agricultural Research Center, Giza, Egypt.

2 Horticulture Research Institute, , Agricultural Research Center, Giza, Egypt.

3 Plant Protection Research Institute, , Agricultural Research Center, Dokki ,Giza, Egypt.

Abstract

The effect of different programs (foliar spray of some aromatic oils, extracts and intercropping plants with cucumber) against two insect and mite pests, i.e the whitefly (Bemisia tabaci (Genm)) egg and nymphal stages, thrips (Thrips tabaci) and the spider mite (Tetranychus urticea Koch) eggs and movable stages were studied. Also the cucumber horticultural characteristics, yield under the greenhouse and the tested programs conditions were evaluated. The trail was carried out in a clay soil at Kaha Research Farm, Kalubia, Egypt, during two successive seasons of 2014and 2015. The obtained results indicated a positive effect of all the investigated programs to reduce infestation of the important insect and mite pests on cucumber treated plants than the control and it may dividing them into groups between them to show significant differences during the first and second experimental seasons. Concerning the effect of the tested treatments on horticultural characteristics of cucumber plant, the obtained results indicated a positive effect for all treatments on cucumber vegetative growth characteristics, leaves chemical composition, fruit characteristics and total yield per plant during the two studied seasons. Data showed that T5 (basil oil spray) and T3 (citronella oil spray) followed with T6 (geranium oil) and T7(camphor oil) led to increase the cucumber growth, physical fruit characteristics, chemical leave contents, early and total yield compared with other treatments during the two studied seasons

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