caa a22 4500 386375801 CHVBK 20180307112017.0 cr unu---uuuuu 161130e198906 xx s 000 0 eng 10.1017/S174275840000357X doi S174275840000357X pii (NATIONALLICENCE)cambridge-10.1017/S174275840000357X Evaluation of time of insecticidal application on the control of leafhopper, Amrasca biguttula biguttula Ishida (Cicadellidae: Homoptera) and aphid, Aphis gossipii Glover (Aphididae: Homoptera) on okra [Elektronische Daten] Studies on critical time of insecticidal protection in relation to damage by aphid, Aphis gossipii Glover and leafhopper, Amrasca biguttula biguttula Ishida on plant growth and yield of okra revealed that 21-42 days after germination, was the most critical time prior to fruiting. Application of carbofuran at the time of sowing was redundant. Effective plant protection 21-42 days after germination resulted in lowest leafhopper and aphid infestation and subsequently the highest benefit to cost ratio. Copyright © ICIPE 1989 Critical crop growth stage nationallicence Amrasca biguttula biguttula nationallicence Aphis gossipii nationallicence carbofuran nationallicence monocrotophos nationallicence okra nationallicence La phase de la croissance criticale nationallicence Amrasca biguttula biguttula nationallicence Aphis gossipii nationallicence carbofuran nationallicence monocrotophos nationallicence okra nationallicence Krishna Kumar N. K. Indian Institute of Horticultural Research, Hessaraghatta Lake Post, Bangalore-560 089, India Srinivasan K. Indian Institute of Horticultural Research, Hessaraghatta Lake Post, Bangalore-560 089, India Sardana H. R. Indian Institute of Horticultural Research, Hessaraghatta Lake Post, Bangalore-560 089, India International Journal of Tropical Insect Science Cambridge University Press 10/3(1989-06), 333-339 1742-7584 10:3<333 1989 10 JTI https://doi.org/10.1017/S174275840000357X text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1017/S174275840000357X text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Krishna Kumar N. K. Indian Institute of Horticultural Research, Hessaraghatta Lake Post, Bangalore-560 089, India NATIONALLICENCE 700 1- Srinivasan K. Indian Institute of Horticultural Research, Hessaraghatta Lake Post, Bangalore-560 089, India NATIONALLICENCE 700 1- Sardana H. R. Indian Institute of Horticultural Research, Hessaraghatta Lake Post, Bangalore-560 089, India NATIONALLICENCE 773 0- International Journal of Tropical Insect Science Cambridge University Press 10/3(1989-06), 333-339 1742-7584 10:3<333 1989 10 JTI CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-cambridge