Field evaluation of <i>Blaptostethus pallescens</i> Poppius (Hemiptera: Anthocoridae) in controlling <i>Tetranychus urticae</i> Koch on parthenocarpic cucumber under protected environments

Ghongade, Dilip Shriram; Sangha, K. S.; Dhall, R. K.; Bhullar, Manmeet Brar

doi:10.1080/01647954.2022.2041091

Cited by 6 publications

(4 citation statements)

References 29 publications

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“…findings corroborate the earlier findings which reported that in a greenhouse brinjal crop, T. urticae infestation resulted in a reduction of 28.08, 20.53 and 14.37 per cent in yield, fruit weight and number of fruits per plant, respectively(Bamel and Gulat, 2021) Ghongade et al (2022). found that T. urticae can cause yield loss from 7.4 to 53.3 per cent depending on the stage at which mite has initiated infestation on Cucumis sativus Linnaeus.…”

supporting

confidence: 91%

Estimated Crop Loss due to Tetranychus urticae Koch on Brinjal

Kumar,

Kaur,

Bhullar

2023

Agricultural Research Journal

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The estimation of crop loss due to Tetranychus urticae was studied on brinjal (PBHR-42) during 2020-21. In the propargite 57 EC acaricide treated plots, the avoidable crop loss and cost benefit ratio was found to be 19.07 and 20.09 per cent and 52.34: 1 and 23.34: 1 in July and February transplanted crop, respectively. The mean of total yield in acaricide treated plots was calculated to be 200.67 and 86.93 q/ acre compared to 162.40 and 69.46 q/acres in untreated plots in July and February transplanted crop, respectively.

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supporting

confidence: 91%

Estimated Crop Loss due to Tetranychus urticae Koch on Brinjal

Kumar,

Kaur,

Bhullar

2023

Agricultural Research Journal

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“…The leaves with eggs and active stages of mites were collected and brought to the laboratory. Five leaves were plucked randomly per treatment and the number of different stages of two spotted spider mites was recorded from 3 spots/leaf under a stereo zoom binocular microscope as per the sampling method of Ghongade et al (2022). Percent reduction in the population of TSSM (eggs and active stages) over control was calculated, using Henderson and Tilton's formula (Henderson and Tiltons, 1955).…”

Section: Data Collectionmentioning

confidence: 99%

“…This is an economic mite species that infects more than 900 different plant hosts worldwide and causes signi cant damage to at least 150 of them (Ghongade and Sood, 2018;Mondel and Ara, 2006). Under poly-net and net houses in India, the TSSM causes major problems and hampers crop productivity (Ghongade et al, 2022;Ghongade and Sood, 2021). It is a highly polyphagous, cosmopolitan species and its damage includes appearance of characteristic yellowish-white chlorotic spots on leaves, webbing and decline in photosynthesis that affects the quality and quantitative yield of crop (Ghongade and Sood, 2021;Zhang, 2003).…”

Section: Introductionmentioning

confidence: 99%

Biorationals an important non chemical alternative to pesticides for management of two spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) on parthenocarpic cucumber grown under protected conditions

Ghongade

Sangha

2022

Preprint

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The use of chemical pesticides to control two spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) in various crops leads to the development of various problems viz., residue in sprayed crop, pest resistance, pest resurgence and environmental pollution. It was necessary to find some microbial biorationals may represent an effective alternative management tactic which is environmentally safer option also. So, during this study entomopathogenic fungi (EPF) and botanical pesticides were tested at different concentrations for the management of eggs and active stages of T. urticae infesting parthenocarpic cucumber grown under polyhouse. Among these biorationals, spray of Neem Baan at 10 and 15 ml/l resulted in significantly higher level of reduction on two spotted spider mite population (88.5 to 91.8% in egg and 86.6 to 90.9% in active stage of mites after 3rd spray, respectively) than with EPF. Among the EPF, Lecanicillium lecanii (Zimmerman) Viegas and Beauveria bassiana Balsamo (Vuillemin) (at 10 & 15 ml/l (82.0 to 87.0% in egg and 79.2 to 84.1% in active stage of mites)) was found to be more effective than Metarhizium anisopliae (Metschnikoff) Sorokin (at 10 & 15 ml/l (77.0 to 82.4% in egg and 76.4 to 80.4% in active stage of mites after third spray, respectively)) in reducing different life stages of T. urticae on cucumber. Results suggest, as Neem Baan 1% spray was found to increase growth and yield of sprayed plant along with controlling T. urticae, it can act as a good alternative for the pesticide spray because spray of pesticide majority time leads to residue problem, pest resistance and pest resurgence problem.

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“…Two-spotted spider mite (TSSM), Tetranychus urticae Koch (Acari: Tetranychidae) is one of the most important mite pests in the world affecting wide range of eld, vegetable, fruit and ornamental crops (Ghongade and Sood 2018;Chouikhi et al 2022;Ghongade et al 2022). It is well adapted to various environmental conditions, causing loss of quality, yield, and death of plants by sucking out the contents of leaf cells.…”

Section: Introductionsmentioning

confidence: 99%

Fenazaquin resistance development and management in two spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae)

Titiksha

Ghongade

Sood

2023

Preprint

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Fenazaquin resistant population of two-spotted spider mite, Tetranychus urticae (Koch) was developed by giving selection pressure. After 8 generations, the resultant population of mite obtained having resistance ratio of 216.74 folds (FR-strain) as compared to susceptible population (S-strain) maintained in the laboratory. FR-strain was found to have resistance breakdown upto 158.82-times when selection pressure was withdrawn for three generations. Developmental stages of fenazaquin resistant strain were bigger in size and took lesser number of days to complete incubation period, development of immature stage and total life cycle than in susceptible strain. However, fecundity and adult longevity of S-strain was more than FR-strain. The FR-strain was examined for cross resistance against different acaricidal products, namely, hexythiazox (5.45 EC), propargite (57 EC), azadirachtin (0.15 EC), Darekastra and Tamarlassi. These resulted in lower value of resistance ratio, being < 2 suggesting their incorporation in managing fenazaquin resistant population of T. urticae.

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Field evaluation of Blaptostethus pallescens Poppius (Hemiptera: Anthocoridae) in controlling Tetranychus urticae Koch on parthenocarpic cucumber under protected environments

Cited by 6 publications

References 29 publications

Estimated Crop Loss due to Tetranychus urticae Koch on Brinjal

Estimated Crop Loss due to Tetranychus urticae Koch on Brinjal

Biorationals an important non chemical alternative to pesticides for management of two spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) on parthenocarpic cucumber grown under protected conditions

Fenazaquin resistance development and management in two spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae)

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