YOUNES, M., SHOUKRY, I., METWALLY, S., ABD-ALLAH, Y. (2013). EFFICIENCY OF SECOND INSTAR LARVAE OF CHRYSOPERLA CARNEA TO SUPPRESS SOME PIERCING SUCKING INSECTS INFESTING CANTALOUPE UNDER SEMI- FIELD CONDITIONS. Egyptian Journal of Agricultural Research, 91(1), 169-179. doi: 10.21608/ejar.2013.160952
MOHAMEDW. YOUNES; I.BRAHIM F. SHOUKRY; SAMIA A. METWALLY; YOMNA N. ABD-ALLAH. "EFFICIENCY OF SECOND INSTAR LARVAE OF CHRYSOPERLA CARNEA TO SUPPRESS SOME PIERCING SUCKING INSECTS INFESTING CANTALOUPE UNDER SEMI- FIELD CONDITIONS". Egyptian Journal of Agricultural Research, 91, 1, 2013, 169-179. doi: 10.21608/ejar.2013.160952
YOUNES, M., SHOUKRY, I., METWALLY, S., ABD-ALLAH, Y. (2013). 'EFFICIENCY OF SECOND INSTAR LARVAE OF CHRYSOPERLA CARNEA TO SUPPRESS SOME PIERCING SUCKING INSECTS INFESTING CANTALOUPE UNDER SEMI- FIELD CONDITIONS', Egyptian Journal of Agricultural Research, 91(1), pp. 169-179. doi: 10.21608/ejar.2013.160952
YOUNES, M., SHOUKRY, I., METWALLY, S., ABD-ALLAH, Y. EFFICIENCY OF SECOND INSTAR LARVAE OF CHRYSOPERLA CARNEA TO SUPPRESS SOME PIERCING SUCKING INSECTS INFESTING CANTALOUPE UNDER SEMI- FIELD CONDITIONS. Egyptian Journal of Agricultural Research, 2013; 91(1): 169-179. doi: 10.21608/ejar.2013.160952
EFFICIENCY OF SECOND INSTAR LARVAE OF CHRYSOPERLA CARNEA TO SUPPRESS SOME PIERCING SUCKING INSECTS INFESTING CANTALOUPE UNDER SEMI- FIELD CONDITIONS
1Zoology Department, Faculty of Science, Menoufia University,Egypt.
2Zool. Dept. Fac. Of Sci. Zagazig Univ.,Egypt.
3Plant protection Research Institute, ARC, Dokki ,Giza, Egypt.
Abstract
Evaluation the efficiency of Chrysoperla carnea second instar larvae , of predator were released at three different rates (3, 5 and 7 larvae / plant) for suppression aphids the cotton – melon aphid, Aphis gossypii Glover and the green peach aphid, Myzus persicae Sulzer as well as nymphs and pupae of Bemisia tabaci Genn. on cantaloupe ( Cucumis melo L.) plants (the local cantaloupe variety, Arafa) .The experiment was conducted under semi-field conditions during early summer plantation season of 2010 . The promising and best results were obtained after 21 days from releasing date at rate of 5 predatory larvae / plant, however, these larvae reduced populations of aphids and whitefly by 73.9 and 83.07%, respectively.