Insect and mite pests diversity in the oilseed crops ecosystems in Bangladesh

Biswas, Gokul Chandra; Das, Gopal

doi:10.3329/bjz.v39i2.10594

Cited by 24 publications

(18 citation statements)

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“…Significantly the lowest pod yield was recorded from the untreated control plot (1.35t/ha) and the lowest BCR was calculated from Jet powder treated plot (1.66)( Table 3). Similar information was also reported by Amin and palmer (1985), Singh (1990) in India and Ahmed et al, (1989) and Biswas et al, (2009 and2011) in Bangladesh.…”

supporting

confidence: 77%

“…The lowest efficacy was recorded in jet powder treatment (Table 2). Almost similar information was recorded by Campbell (1986) in India and Biswas et al, (2009 and2011) in Bangladesh. The Benefit Cost Ratio (BCR) analysis of different treatments in suppressing jassids in groundnut crop is presented in the Table 3.…”

supporting

confidence: 70%

“…It is a good source of oil (48-52%) and protein (25-30%) (Kaul and Das 1986). Jassid ( Empoasca terminalis) the important foliage pest of groundnut and acts as limiting factors in successful cultivation of the crop in South-East Asia especially in India and Bangladesh (Ahmed et al, 1989;Begum, 1995;Biswas et al, 2009 ;Biswas and Das 2011;. Both the nymphs and adults of Jssids suck the sap from the tender leaf and under surface of the leaflet causing yellowing the leaflets, leaf curling, necrosis.…”

mentioning

confidence: 99%

“…Its cultivation covered about 95,000 hectares of land and produced about 1,40,000 metric tones of seeds during 2011-2012(Anon. 2013.…”

mentioning

confidence: 99%

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Incidence, damage potential and management of jassids in groundnut field

Biswas

2015

Bangladesh J. Agric. Res

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supporting

confidence: 77%

supporting

confidence: 70%

mentioning

confidence: 99%

“…Its cultivation covered about 95,000 hectares of land and produced about 1,40,000 metric tones of seeds during 2011-2012(Anon. 2013.…”

mentioning

confidence: 99%

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Incidence, damage potential and management of jassids in groundnut field

Biswas

2015

Bangladesh J. Agric. Res

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“…The insect is considered a minor pest on sesame, groundnut (Biswas & Das 2011), and mungbean (Chhabra et al 1981). Empoasca terminalis was found with extremely high population of more than 10 individuals per trifoliate, inflicting physiological injury to plants in the form of hopperburn (Nasruddin 2010).…”

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confidence: 99%

Potential damages, seasonal abundance and distribution of Empoasca terminalis Distant (Homoptera: Cicadellidae) on soybean in South Sulawesi

et al. 2015

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Plant damages caused by leafhopper, Empoasca terminalis Distant (Homoptera: Cicadellidae) on soybean were first encountered in 2007 in Makassar, South Sulawesi. The insect has been constantly associated with soybean crops in the province ever since. The purposes of the present study were to (i) evaluate potential yield loss attributable to the leafhopper in an experimental set up, (ii) seasonal abundance of E. terminalis, and (iii) distribution of E. terminalis in all major soybean-producing areas in the province. Potential yield loss due to the leafhopper was assessed in a field experiment using two large plots. One of the plots was kept leafhopper-free by weekly insecticide sprays; and the other plot was left unsprayed to allow leafhopper infestation to occur. Adult abundance was weekly monitored using a sweep net throughout the season. Nymph abundance was determined by direct count on the plant leaves. Leafhopper distribution was assessed through surveys conducted in all major soybean-producing areas in South Sulawesi, from 2009-2013. The results of the study showed that E. terminalis caused an average yield loss of 26% on susceptible crops without insecticide use. First leafhopper infestation in all planting seasons occurred two weeks after the plant emergence. Rainfall negatively correlated with the leafhopper abundance. The leafhopper existed in all major soybean production areas in the province. Therefore, our results confirmed the status of E. terminalis as an important soybean pest in the region. In addition, crops planted early in the dry season could escape from heavy leafhopper infestation. Nasruddin at al.: Potential, abundance, and distribution of E. terminalis tanam dengan penyemprotan insektisida sekali seminggu. Plot yang lain tidak disemprot, sehingga secara bebas terinfestasi oleh wereng daun. Fluktuasi populasi serangga dewasa dimonitor dengan menggunakan jaring serangga, sedangkan populasi nimfa dihitung langsung pada daun. Penyebaran wereng disurvei sejak 2009 hingga 2013 di sentra pertanaman kedelai di Sulawesi Selatan. Hasil penelitian menunjukkan bahwa E. terminalis menyebabkan kehilangan hasil sebesar 26% pada tanaman rentan tanpa penggunaan insektisida. Infestasi pertama wereng terjadi dua minggu setelah tanaman berkecambah pada pertanaman awal dan akhir musim kemarau. Terdapat korelasi negatif antara curah hujan dan jumlah wereng. E. terminalis ditemukan pada semua sentra pertanaman kedelai di Sulawesi Selatan. Dengan demikian, hasil penelitian ini mempertegas status E. terminalis sebagai hama penting pada tanaman kedelai dan telah menyebar luas pada pertanaman kedelai di Sulawesi Selatan. Di samping itu, tanaman kedelai yang ditanam pada awal musim kemarau dapat terhindar dari serangan wereng yang berat.Kata kunci: hama kedelai, fluktuasi populasi, kerusakan tanaman

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Status Paper on Linseed/Flax Agriculture

Singh

2016

Omega-3 Fatty Acids

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Insect and mite pests diversity in the oilseed crops ecosystems in Bangladesh

Abstract: No abstract available.DOI: http://dx.doi.org/10.3329/bjz.v39i2.10594 Bangladesh J. Zool. 39(2): 235-244, 2011

Cited by 24 publications

References 1 publication

Incidence, damage potential and management of jassids in groundnut field

Incidence, damage potential and management of jassids in groundnut field

Potential damages, seasonal abundance and distribution of Empoasca terminalis Distant (Homoptera: Cicadellidae) on soybean in South Sulawesi

Status Paper on Linseed/Flax Agriculture

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