European Academic Research ISSN 2286-4822
ISSN-L 2286-4822
Impact Factor: 3.4546 (UIF)
DRJI Value : 5.9 (B+)
Article Details :
Article Name :
Insect Biodiversity in Different Varieties of Linseed
Author Name :
FARRUKH ASGHAR, ABDUL GHANI LANJAR, BABAR HUSSAIN CHANG1, FIDA HUSSAIN MAGSI, KHALIL ASGHAR, AMMARA RAJPUT, AZHAR-UD-DIN KEERIO, LAL BAKHSH QURESHI
Publisher :
Bridge Center
Article URL :
Abstract :
The experiment was conducted during winter season 2015 on experimental field of Oil Seed Section, Agriculture Research Institute, Tandojam. Linseed varieties namely L-42.8, B-5656, 11.106, Faisalabad, Munkusmil, Alsi-90 were cultivated on an area of 108 square meter. RCBD layout was maintained with 4 replications. The population counts of insects were made from January 23, 2015 to February 26, 2015. The results show that out of 15 insect species, 8 insect species were pests and 7 were pollinators and predators. The total number of insets found was 21132 out of which gall-midge, thrips and army worm were 3427, 1653 and 1356, respectively. Maximum number of insects was found on variety L-42.8 (2935) followed B-5656 (2897). While, variety 11.106, Faisalabad, Munkusmil and ASLI-90 had 2635, 2431, 2099 and 1699 insects, respectively. Diversity, diversity maximum, species richness and species evenness were calculated weekly by using Shannon-Weiner diversity index. During observations, the diversity (H) remained same as (1.79). However, diversity maximum and maximum evenness was calculated as (H’ = 0.06) and (J’ = 0.03), respectively on 23-01-2015. Whereas, maximum richness (D = 0.96) was recorded on 09-02-2015. All pests were found active throughout the cropping season.
Keywords :
Insects biodiversity, varieties, richness, evenness, agroecosystem, Linseed crop
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