Effect of Weather Parameters on Population Fluctuation of Sucking Pests and Their Predators on Okra Crop

Bhatt, Babita; Giri, Gouri Shankar; Karnatak, A. K.; shankara, Shiva

doi:10.20546/ijcmas.2018.709.091

Cited by 6 publications

(11 citation statements)

References 1 publication

(1 reference statement)

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“…Chakraborty et al (2014) documented nine species of coccinellids that were associated with insect pests of okra. However, transverse ladybird Coccinella transversalis F, seven spotted ladybird Coccinella septempunctata L and C. sexmaculata were commonly observed (Potai and Chandrakar, 2018;Bhatt et al, 2018;Raghuwanshi et al, 2019;Das et al, 2021); and these results corroborate with the present findings. Pooled data revealed spider (F=119.69; df= 3, 24; p < 0.0001) and coccinellid (F= 338.03; df= 3, 24; p < 0.0001) counts and among the treatment modules there was a highly significant difference (Table 1); spiders remained more or less consistent throughout the crop duration, while coccinellids gradually increased from 25 DAS, reached peak at 65 DAS and again declined to its lowest at 85 DAS.…”

Section: Resultssupporting

confidence: 91%

“…Okra [Abelmoschus esculentus (L) Moench], is an economically important vegetable crop in India which accounts for 72.9% of global okra production (6094.94 mt) and 60% of fresh vegetable export (Anonymous, 2018). Around 17 insect pests have been reported to infest okra (Bhatt et al, 2018a). These include sucking pests such as aphids Aphis gossypii Glover, whitefly Bemisia tabaci (Gennadius), leafhopper Amrasca biguttula biguttula (Ishida) and two-spotted mite Tetranychus urticae Koch and borer pests namely pod borer Helicoverpa armigera (Hübner) and shoot and fruit borer Earias vitella (F).…”

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confidence: 99%

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Impact of IPM Modules on Natural Enemies in Okra

C.,

2024

IJE

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Three modules viz., M1- integrated pest management (IPM) module, M2- bio-intensive pest management (BIPM) module and M3- farmer’s routine pest management module formulated against insect pests of okra were evaluated simultaneously at two locations to know their impact on spider and coccinellid predators. Seven and two species of spiders and coccinellids, respectively, were recorded. Pooled data revealed that BIPM module was found to be safe for the predators.

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Section: Resultssupporting

confidence: 91%

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confidence: 99%

Impact of IPM Modules on Natural Enemies in Okra

C.,

2024

IJE

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“…The untreated plot T 10 also revealed maximum number of L. niger (1.72 no./ plant) compared to 0.33 no./ plant with higher dose of chlorantraniliprole + thiamethoxam. Similar findings were recorded by Khan et al (2022) with C. septempunctata and C. carnea Bhatt and Karnatak (2018) also observed more predator from the untreated control plot in kharif season.…”

Section: Resultssupporting

confidence: 89%

Efficacy of Insecticides Against Major Sucking Insect Pests of Okra and Their Effect on Natural Enemies

Khan,

Rahman,

Hossain

et al. 2024

IJE

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Field experiment was conducted at the central research field, during kharif (March to July 2022). The experiment was laidout in RCBD (randomized complete block design). Ten treatments were evaluated against jassid Amrasca biguttula (Ishida) and whitefly Bemisia tabaci (Gennadius). At vegetative stage, lowest number of A. biguttula (0.25/ leaf) and B. tabaci (0.12/ leaf) was observed with emamectin benzoate +abamectin @ 0.50 g/ l and chlorantraniliprole + thiamethoxam @ 0.50 ml/ l. respectively, A. biguttula(1.16/ leaf) and B. tabaci (0.33/ leaf) was recorded as lowest with emamectin benzoate + abamectin @0.75 g/ l at fruiting stage. The lowest fruit infestation (9.56%) was observed with chlorantraniliprole +thiamethoxam @ 0.75 ml/ l. Maximum number of ladybird beetle, Coccinella septempunctata (L) (2.59/plant); spider, Hippasa agelenoides (Simon) (1.20/ plant) and green lacewing, Chrysoperla carnea (Stephens)(2.50/ plant) were observed when no insecticide was used. Both chlorantraniliprole + thiamethoxam @0.75 ml/ l and emamectin benzoate + abamectin @ 0.75 g/ l led to the least number of C. septempunctata(0.33/ plant). Flubendiamide @ 0.50 g/ l led to insignificant number of H. agelenoides (0.33/ plant). Thehighest fruit yield (19.56 t/ ha) was achieved from emamectin benzoate + abamectin @ 0.50 g/ l.

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“…P. pseudoannulata can attack A. gosypii, A. dugesii, Empoasca sp., Bemisia tabaci (Jiang et al 2020). Coccinellid beetles, such as M. sexmaculatus, are generalist predators that can attack A. gosypii, Empoasca sp., Bemisia tabaci (Bhatt et al 2018). In this study, Aulacophora dorsalis and Aulacophora indica were also found which were the prey of generalist predators.…”

Section: Discussionsupporting

confidence: 56%

Arboreal arthropod assemblages in chili pepper with different mulches and pest managements in freshwater swamps of South Sumatra, Indonesia

et al. 2021

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Abstract. Herlinda S, Tricahyati T, Irsan C, Karenina T, Hasbi, Suparman, Lakitan B, Anggraini E, Arsi. 2021. Arboreal arthropod assemblages in chili pepper with different mulches and pest managements in freshwater swamps of South Sumatra, Indonesia. Biodiversitas 22: 3057-3066. In the center of freshwater swamps in South Sumatra, three different chili cultivation practices are generally found, namely differences in mulch and pest management that can affect arthropod assemblages. The effect of mulches and pest management on arboreal arthropod assemblages specific to chili production centers in the freshwater swamps of South Sumatra has never been investigated. This study aimed to observe arboreal arthropod assemblages in chili with different mulches and pest management. Arboreal arthropods were sampled using sweep nets in three locations with plots treated with leaf litter mulch and bioinsecticide, plastic mulch and synthetic insecticide, and weedy plot without mulch with synthetic insecticide. The species number of arboreal arthropods found was 28 species of Arachnids and 23 species of Insects, and consisting of 6 families of the Arachnids and 25 families of Insects. The abundance of arboreal arthropods was 65.60 individuals/5 nets per observation. In the chili field without mulch but with the insecticide, the species biodiversity and abundance of arboreal predatory arthropods were the highest. In contrast, in the chili field, that applied with synthetic insecticides and plastic mulch, the abundance of arboreal predatory arthropods was the lowest. The herbivorous insect populations in chili with plastic mulch and synthetic insecticides and the chili with the leaf litter mulch were higher than those in the chili without mulch. In the chili with the leaf litter mulch and bioinsecticide, the species number and abundance of the spiders were the highest compared to the other chili fields. The weedy chili field without mulch and chili with the leaf litter mulch has proved ideal habitats for the arboreal predatory arthropods.

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Effect of Weather Parameters on Population Fluctuation of Sucking Pests and Their Predators on Okra Crop

Cited by 6 publications

References 1 publication

Impact of IPM Modules on Natural Enemies in Okra

Impact of IPM Modules on Natural Enemies in Okra

Efficacy of Insecticides Against Major Sucking Insect Pests of Okra and Their Effect on Natural Enemies

Arboreal arthropod assemblages in chili pepper with different mulches and pest managements in freshwater swamps of South Sumatra, Indonesia

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