English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Effect of weather on abundance of mustard aphid and sawfly and their eco-friendly management was studied during 2011-13. Mustard aphid, Lipaphis erysimi appeared first in 49th and 50th standard week and reached maximum in 2nd standard week (49.07 and 63.48 aphids 10 cm-1 central inflorescence during 2011-12 and 2012-13, respectively). Sawfly appeared in 45th and 46th standard week and attained maximum in 47th standard week (1.57 and 1.42 larvae plant-1 during 2011-12 and 2012-13, respectively). The correlation study revealed that minimum and maximum temperature had significant negative influence on aphid population (r=-0.64 to -0.83 during 2011-12 and 2012-13) whereas saw fly population was influenced positively by both temperature (r=0.62 to 0.67 in both the periods). Of 14 germplasm of rapeseed-mustard screened against mustard aphid and sawfly, Sikkim Toria-2, Sikkim Sarson Yellow-1, Sikkim Sarson Yellow-3 and TS-38 were found promising. Among the biopesticides evaluated against mustard aphid and sawfly, Bacillus thuringiensis @ 2 g l-1 was found to be effective for management of sawfly population (68.60 % larval reduction over control) while petroleum agro-spray @ 10 ml l-1 and neem oil 0.15EC @ 3 ml l-1 were most effective for controlling of aphid population. Among treatments the highest yield (7.8 q ha-1) was recorded in the plot treated with petroleum agro-spray followed by neem oil (7.6 q ha-1) and were on par with check oxydemeton methyl 25EC @ 1 ml l-1. Coccinella septempunctata and Menochilus sexmaculata were recorded more (0.35-0.70 nos. plant-1) with higher predatory efficiency (8.4-12.6 aphids day-1) in comparison to syrphid fly. Art ic le History

international journal of bio-resource and stress management/international journal of bio-resource and stress management

Seasonal Abundance of Mustard Aphid, Lipaphis Erysimi (Kalt.) and Saw Fly, Athalia Lugens Proxima (Klug) in Relation to Abiotic Factors and their Eco-Friendly Management