Seasonal incidence of yellow stem borer, Scirpophaga incertulas Walker infesting rice and its correlation with weather parameters

Hatwar, Nikhil K; Jalgaonkar, VN; Wade, PS; Naik, KV; Thantharate, SH; Kinjale, RS

doi:10.22271/j.ento.2021.v9.i1d.8156

Cited by 4 publications

(6 citation statements)

References 2 publications

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“…It was observed that R 2 = 82.50; which indicated that weather parameters together were responsible for 82.50% fluctuation in the H. armigera population in 2020-21. The results of the present study were in similar trend with the previous study conducted by Wade et al (2020) who reported fruit borer had non-significant positive relation with maximum temperature (r = 0.314), positive non-significant correlation (r = 0.450) with minimum temperature and non-significant negative correlation (r = -0.484) of maximum relative humidity. However, fruit borer population recorded positive non-significant correlation with evening relative humidity (r = 0.407).…”

Section: Multiple Regressions Of Different Meteorological Parameters ...supporting

confidence: 91%

“…After that, the population grew and peaked at the 10 th SMW. Our findings also aligned with those of Wade et al (2020), who noted the fruit borer's first incidence on the 5 th SMW; Reddy and Kumar (2004), who noted the highest incidence of Helicoverpa armigera from March to April; Kharpuse and Bajpai (2006), who reported a fruit borer population during the 3 rd week of February during Rabi, 2004Rabi, -2005Reddy et al (2009) and Pandey et al (2012), who also noted the fruit borer's peak population in March.…”

Section: Seasonal Incidence Of Major Insect Pests Of Tomatosupporting

confidence: 88%

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Seasonal Incidence of Different Insect Pests and Their Natural Enemies in Tomato Ecosystem

Rahman,

Devee,

Dutta

2023

Res. Bio.

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A field investigation was carried out to analyze the seasonal incidence of different insect pests and their natural enemies in tomato ecosystem along with their correlation with weather parameters from December, 2020 to April, 2021. A total number of 10 insect pests and 11 natural enemies were documented throughout the season. Among those insect pests recorded, tomato fruit borer, Helicoverpa armigera was the major one (49.91% relative abundance) followed by aphid, Aphis gossypii (18.62%), serpentine leaf miner, Liriomyza trifolii (16.20%) and whitefly, Bemisia tabaci (7.33%). Among the natural enemies, coccinellids were found abundantly and Coccinella transversalis recorded the highest relative abundance of 26.77% followed by Cheilomenes propinqua (10.23%), Cheilomenes sexmaculata (10.23%) and Coccinella septempunctata (9.44%). The findings of the experiment indicated that the maximum population of Helicoverpa armigera and L. trifolii was observed on the 10th SMW. While in case of A. gossypii it was observed on the 7th SMW respectively. The correlation between insect infestations and meteorological conditions demonstrated that the min temp. showed notable positive correlation with H. armigera and Aphis gossypii population and considerable negative correlation with L. trifolii. The max temp. showed noteworthy negative correlation with L. trifolii and Aphis gossypii. The morning relative humidity was found to possess significant positive correlation with L. trifolii and negative correlation with H. armigera. The evening relative humidity showed negative correlation with L. trifolii and Aphis gossypii. The study's findings provide a clear picture of the level of harm caused by insect pests in addition to helping us anticipate the seasonal occurrence of these pests for the purposes of pest monitoring and management.

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Section: Multiple Regressions Of Different Meteorological Parameters ...supporting

confidence: 91%

Section: Seasonal Incidence Of Major Insect Pests Of Tomatosupporting

confidence: 88%

Seasonal Incidence of Different Insect Pests and Their Natural Enemies in Tomato Ecosystem

Rahman,

Devee,

Dutta

2023

Res. Bio.

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“…These findings are similar with the finding of Sulagitti et al [17] who observed the incidence of YSB at 31 st SMW and its peak incidence at 41 th SMW. These finding also similar to Patel and Singh [18] reported the incidence of YSB first appeared at 32 nd SMW and white ear head reached peak in 45 th SMW.…”

Section: Rice Yellow Stem Borer (S Incertulas)supporting

confidence: 89%

Impact of Abiotic Factors on the Incidence of Insect Pests in Rice

Yadav

Singh

Verma

et al. 2023

IJECC

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The investigation on impact of abiotic factors on incidence of insect pests in rice was carried out during Kharif 2021. The highest and lowest Rice Yellow Stem Borer incidence was recorded at vegetative stage in the form of dead heart at 31st Standard Meteorological Weeks (SMW) and 40th SMW and it was 16.48% and 1.10%, respectively, whereas at reproductive stage the highest and lowest incidence was recorded in the form of white ear at 42nd SMW and 41th SMW i.e., 18.12% and 16.75%, respectively. The highest Rice leaf folder incidence was recorded in 36th SMW (16.25%) and lowest in 44th SMW (1.31%). The highest and lowest Rice Gundhi bug mean population was recorded in 39th SMW (10.30 bugs/hill) and 44th SMW (1.31 bugs/hill). The highest and lowest Brown Plant Hopper (BPH) mean population was recorded in 38th SMW and 41st SMW and it was10.80 BPH/hill and 1.60 BPH/hill, respectively. The yellow stem borer showed significant positive correlation with relative humidity whereas, non-significant positive correlation with minimum temperature, maximum temperature, rainfall and sunshine. Rice leaf folder population showed significant positive correlation with minimum temperature and relative humidity. Whereas, positive and non-significant correlation with maximum temperature and rainfall. However, negative and non-significant correlation with sunshine. Gundhi bug showed a non-significant positive correlation with Relative humidity, Rainfall and sunshine. However, negative and non-significant correlation with minimum temperature and maximum temperature. BPH population showed significant positive correlation with minimum temperature and relative humidity, however positive and non-significant correlation with maximum temperature and rainfall. Whereas, negative and non-significant correlation with Sunshine.

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“…They all reported that H. armigera had been a major insect pest of tomato. [18] who reported non-significant negative correlation between larval population and relative humidity morning and relative humidity evening. Singh [21] showed that maximum temperature and minimum temperature exhibited positive and significant impact on enhancing the larval population build up.…”

Section: Fruit Borer Helicoverpa Armigeramentioning

confidence: 97%

“…Present findings are partially in accordance with the Chakraborty [17] who reported that aphid population was significantly positive correlated with maximum temperature and minimum temperature whereas morning relative humidity was significantly negative correlated and rainfall was positively nonsignificant correlated. Wade et al [18] reported nonsignificant negative correlation between relative humidity and pest population, Kachave et al [9] reported that maximum temperature was positively correlated and morning relative humidity was negatively correlated with the pest population whereas non-significant role of rainfall on pest population.…”

Section: Aphid (Aphis Gossypii Glover)mentioning

confidence: 99%

Seasonal Incidence of Insect Pests of Tomato (Lycopersicum esculentum Miller)

Singh,

Chauhan,

Kumar

et al. 2023

IJECC

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A field experiment was conducted at Entomology research field, IANS, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur during Rabi, 2022, for studying the seasonal incidence of insect pests infesting tomato. Serpentine leaf miner, aphid appeared during 46th SMW and whitefly, jassid during 48th SMW, while fruit borer was observed during 2nd SMW. Correlation study revealed that Serpentine leaf miner, whitefly, aphid, jassid and fruit borer witnessed significant positive correlation with the maximum temperature and minimum temperature. Serpentine leaf miner and fruit borer recorded negative non-significant correlation with the morning relative humidity and evening relative humidity. Whitefly, jassid and aphid population had significant negative correlation with the morning relative humidity. Whitefly and jassid population registered a significant negative correlation with evening relative humidity. Aphid incidence had a non-significant negative correlation with the evening relative humidity. However, all the insect pests showed non-significant correlation with the rainfall.

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Seasonal incidence of yellow stem borer, Scirpophaga incertulas Walker infesting rice and its correlation with weather parameters

Cited by 4 publications

References 2 publications

Seasonal Incidence of Different Insect Pests and Their Natural Enemies in Tomato Ecosystem

Seasonal Incidence of Different Insect Pests and Their Natural Enemies in Tomato Ecosystem

Impact of Abiotic Factors on the Incidence of Insect Pests in Rice

Seasonal Incidence of Insect Pests of Tomato (Lycopersicum esculentum Miller)

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