Influence of Weather Parameters on Pest of Okra in Parbhani Kranti Variety

Burade, D. D.; Khobragade, A. M.; Shinde, P.B.

doi:10.20546/ijcmas.2019.801.088

Cited by 2 publications

(3 citation statements)

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“…Minimum temperature had positive but non-significant effect on population build up of whitefly. Our result is in partial confirmation with the findings of Burade et al [10] who cited that whitefly had significant positive correlation with both maximum and minimum temperature. Morning relative humidity had negative correlation with B tabaci.…”

Section: Whiteflysupporting

confidence: 92%

“…The leafhopper population was significantly and positively correlated with afternoon relative humidity (r= 0.618). This observation is in partial akin with Burade et al [10] who reported the correlation between leafhopper population and afternoon relative humidity is positive but not significant. Rainfall had positive but nonsignificant effect on leafhopper population.…”

Section: Amrasca Biguttula Biguttula (Ishida)supporting

confidence: 75%

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Seasonal Incidence of Sucking Pests and Their Natural Enemies in Okra Abelmoschus esculentus (L.) Moench

Mohapatra

Padhi

Samal

et al. 2022

IJECC

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Okra, Abelmoschus esculentus (L.) Moench is a major vegetable crop grown in India. The crop is susceptible to various sucking insects and mite pests throughout the cropping period. The present field experiment was carried out to observe the incidence and correlation between weather parameters and sucking pests along with their natural enemies in okra (variety Arka Anamika) at Central Research Station, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha during summer 2021.The maximum population of two major sucking pests i.e., leafhopper and whitefly was observed at 22nd and 19th standard meteorological week (SMW), respectively where as the peak activity of aphid and two spotted spider mites were recorded at 21st SMW. Among the natural enemies, coccinellid and spiders were recorded and the highest activity was observed at 22nd SMW. The correlation studies revealed a significant positive correlation between minimum temperature (r= 0.577) and afternoon relative humidity (r= 0.618) with leafhopper population. Further, there was significant negative correlation between spider population and maximum temperature (r= -0.788) where as both morning and afternoon relative humidity (r= 0.677 and r= 746) had positive effect. In addition, there was significant positive correlation between the predators (coccinellid and spider) and prey (aphid and leafhopper) population. Therefore, from ecological point of view understanding the relationship between pest and natural enemies and their incidence is necessary to take timely pest management measures.

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Section: Whiteflysupporting

confidence: 92%

Section: Amrasca Biguttula Biguttula (Ishida)supporting

confidence: 75%

Seasonal Incidence of Sucking Pests and Their Natural Enemies in Okra Abelmoschus esculentus (L.) Moench

Mohapatra

Padhi

Samal

et al. 2022

IJECC

View full text Add to dashboard Cite

show abstract

“…The success or failure of a crop is greatly influenced by weather parameters, as they have a substantial impact on the physiological expression of the genetic potential of the crops it is widely recognized that the yield of any crop or variety is contingent upon the presence of specific optimal conditions, including temperature, solar radiation soil moisture, relative humidity, etc. at various stages of crop growth (Burade et al, 2019). Hence, examining the timing and peak periods of insect pest infestation in okra ecosystem in relation to weather parameters is crucial.…”

Section: Introductionmentioning

confidence: 99%

Population Dynamics of Major Insect Pests of Okra in Relation to Weather Parameters

Gupta,

Yadav,

Maheshwari

et al. 2024

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Population dynamics of the insect is one of the important phenomena, which is continuously influenced by surrounding crops. The study of population insects can help to understand the interaction of the insect population and crops about extraneous weather factors. The present investigation is based on the population dynamics of major insect pests i.e. shoot and fruit borer, whitefly and jassids in the okra ecosystem and their correlation with various weather parameters. Okra is susceptible to several insect pests, leading to significant yield losses. This study revealed notable patterns in pest infestations during the crop's growth cycle. Shoot borer infestation began at 30 th Standard Week (SW) and reached its peak at 33 rd SW, with a maximum infestation of 17.6%. This infestation exhibited a significant positive correlation with minimum temperature, while maximum temperature and sunshine hours showed non-significant positive correlations. Fruit borer infestation commenced at 34 th SW, peaking at 21.8%, with minimum infestation (2.8%) observed at 40 th SW. Non-significant negative correlations were found between fruit borer infestation and maximum temperature, minimum temperature, and average relative humidity. Jassid infestation began at 30 th SW, reaching a maximum in 36 th SW and a minimum in 40 th SW. Significant positive correlations were observed with maximum temperature and sunshine hours, while minimum temperature showed a non-significant positive correlation. Whitefly infestation was first observed at 31 st SW and peaked at 35 th SW. The study found non-significant positive correlations with minimum temperature, maximum temperature, and sunshine hours, while non-significant negative correlations were identified with relative humidity and rainfall. Overall, this study contributes to understanding the interactions between insect pests and weather parameters in the okra ecosystem, facilitating more targeted and sustainable pest management.

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Influence of Weather Parameters on Pest of Okra in Parbhani Kranti Variety

Cited by 2 publications

References 0 publications

Seasonal Incidence of Sucking Pests and Their Natural Enemies in Okra Abelmoschus esculentus (L.) Moench

Seasonal Incidence of Sucking Pests and Their Natural Enemies in Okra Abelmoschus esculentus (L.) Moench

Population Dynamics of Major Insect Pests of Okra in Relation to Weather Parameters

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