Population dynamics of major sucking pests infesting niger and their relation to weather parameters

Darandale, S. A.; Pandya, H. V.; Patel, S. D.

doi:10.15740/has/ijpp/8.1/61-64

Cited by 4 publications

(3 citation statements)

References 2 publications

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“…The present findings are in agreement with Singh et al [19] who reported significant positive influence of temperature on population of the leafhopper. Leafhopper population was positively correlated with temperature, relative humidity and wind speed while negative correlation with rainfall, which corroborates the finding of Parsad et al [20] who reported positive correlation between jassid population and relative humidity.…”

Section: Discussionsupporting

confidence: 90%

Impact of weather parameters on seasonal incidence of insect pests in Bt and non Bt cotton

Krishna,

Reddy,

Chandrayudu

2020

J Pharmacogn Phytochem

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A field trial was conducted to study the impact of weather parameters on seasonal dynamics of insect pests in Bt and non Bt cotton during the years 2018 and 2019 at Regional Agricultural Research station, Nandyal. During the year 2018 results indicated that in both the test hybrids leafhoppers crossed Economic threshold level during 39 th to 45 th standard weeks and attained peak during 40 th and 41 st standard weeks. With regard to pink bollworm population and fruiting body damage both the test hybrids attained peak during 52 nd standard week. During the year 2019 Peak population of leafhoppers were recorded during 43 rd to 46 th standard weeks in both the test hybrids (6.02 to 11.8/3 leaves), with regard to fruiting body damage both the test hybrids attained peak during 51 st standard week (56 to 68%). Correlation of abiotic factors with sucking pests in cotton during the both seasons revealed that leafhopper population had shown significant positive relation with temperature maxium (0.678) whereas minimum temperature had shown positively non-significant relation (0.512), rainfall and relative humidity had shown negatively non sigficant relation with leafhopper population.

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Section: Discussionsupporting

confidence: 90%

Impact of weather parameters on seasonal incidence of insect pests in Bt and non Bt cotton

Krishna,

Reddy,

Chandrayudu

2020

J Pharmacogn Phytochem

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“…The field was left as such without any plant protection intervention. Whitefly population were recorded from three leaves per plant top, middle and bottom canopies (randomly sampled tagged 10 plants per plot) from each plot were enumerated at weekly interval [6]. The meteorological data during the study periods was also recorded from the AICRP on Agro-meteorology, Directorate of Research, BCKV, Kalyani, Nadia to establish the correlation and regression co-efficient between whitefly population and weather factors.…”

Section: Methodsmentioning

confidence: 99%

Influence of Abiotic Factors on Whitefly Population Abundance in Cotton

Ghosal¹

2022

Cotton

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Whitefly started to infest cotton soon after planting in favourable weather condition. During November planting mean whitefly population were highest (6.9 whiteflies per 3 leaves) and slowly declined in successive planting dates. It was found that number of population were above ETL during the month of December, January and February. Maximum population were recorded in the month of February depending on the growth stage of the crop. Maximum temperature beyond 35°C, minimum temperature below 8°C and moderate to high rainfall was very much detrimental to successful population build up. The most favourable temperature was ranged in respect of min. temperature and max. temperature was ranged 12–30°C. Simple regression value reflects whitefly population were influenced to the tune of 70.8%, 69.5%, 35.3% and 75.4% in November, December, January and February month respectively. Whitefly population were negatively correlated with temperature (max. and min.), rainfall and relative humidity (max. and min.); while, positively correlated with sunshine hours, but during November planting relative humidity (max. and min.) was positively correlated and sunshine hours were negatively correlated. Thus adjustment of planting dates may be adjusted or suitable plant protection measure may be introduced according to the weather forecast.

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“…Biswal and Patel [11] identified aphid, whitefly and thrip's were the first to infiltrate and colonize the field crop, followed by leaf miner, and remained active until the crop was harvested.…”

Section: Incidence Of Aphidmentioning

confidence: 99%

Study the Impact of Abiotic Factors on the Population Fluctuation of Major Insect Pest of Field Pea

Chouhan,

Choudhary,

Soneshwar

et al. 2023

IJECC

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The present investigation entitled Study the impact of abiotic factors on the population fluctuation of major insect pest of field pea was conducted at the Experiment field of Department of Plant breeding, seed Breeding farm, JNKVV Jabalpur (MP), Madhya Pradesh during the Rabi season 2020-21. Positive correlation of Acryothosiphon pissum, pod borer, and leafhopper with Maximum Temperature (0.581, 0.581, 0.582) and Acrythosiphon pissum with morning vapour pressure (0.453) may be given due weightage in formulating forewarning modules in the pest. Similarly positive correlation was found between Relative humidity and aphid (r = -0.304) and was found significant. Max temperature showed significant negative correlation (r=-0.581) with aphid, Pod borer and leafhopper’s population where minimum temperature and rainfall showed negative correlation (r=-0.453 and r= - 0.153) with aphid population. Whereas min temperature showed positive non-significant correlation (r= 0.413). Max temperature showed significant negative correlation (r = -0.581) with pod borer population. Morning vapour pressure shows significant negative correlation (r=-0.453) with aphid population.

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Population dynamics of major sucking pests infesting niger and their relation to weather parameters

Abstract: Investigations were carried out on population dynamics of major insect pests on niger (Guizotia abyssinica L.

Cited by 4 publications

References 2 publications

Impact of weather parameters on seasonal incidence of insect pests in Bt and non Bt cotton

Impact of weather parameters on seasonal incidence of insect pests in Bt and non Bt cotton

Influence of Abiotic Factors on Whitefly Population Abundance in Cotton

Study the Impact of Abiotic Factors on the Population Fluctuation of Major Insect Pest of Field Pea

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