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Scientific validation of two indigenous plants used for traditional storage pest management in Manipur

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Title Scientific validation of two indigenous plants used for traditional storage pest management in Manipur
 
Creator Ningombam, Arati
Akoijam, Romila
Beemrote, Aruna
Sharma, Susheel Kumar
Singh, Irengbam Meghachandra
Gangmei, Leangzin
Singh, Thounaojam Seilesh Kumar
Devi, Yumnam Prabhabati
 
Subject Goniothalamus
Isodon
ITK validation
Manipur
Rice weevil
Storage pest
 
Description 939-947
Goniothalamus sesquipedalis and Isodon ternifolius are two well-documented ethnobotanically important plants used in
Manipur by different tribes. It is also often used together as a traditional fumigant by burning and smoking by hanging in
traditional granaries to reduce the insect pest infestation. This study scientifically validates the use of these two plants in
different proportions to manage storage pests. The suppressive effect of plant powders on population increase through the
inhibition of off spring was assessed. The study and evaluation focused on defined combined ratios of 50:50, 60:40, 70:30,
and 80:20 of Goniothalamus and Isodon. The lowest GI50 of 2.92 mg/g was observed in G. sesquipedalis treated rice grains
and exhibited the best suppression of the population growth of rice weevil among all the treatments evaluated. The
subsequent best treatment was I. ternifolius with a GI50 of 3.00 mg/g and very similar to G. sesquipedalis in growth
inhibition capability. Among treatment combinations, Isodon and Goniothalamus combined in a ratio of 60:40 displayed
good grain protection from rice weevil damage with a low GI50 of 5.42 mg/g. The highest GI50 of 13.60 mg/g was shown by
the combination of Isodon and Goniothalamus in the ratio of 70:30. The statistical tests of treatment means were highly
significant at 1% level of significance, as the p-values in all cases are less than 0.01 except for one (80:20) where it was nonsignificant.
The viability of seeds treated with G. sesquipedalis and I. ternifolius were found to be both enhanced. However,
the seeds treated with a combination of G. sesquipedalis and I. ternifolius failed to germinate ultimately.
 
Date 2024-10-30T06:00:25Z
2024-10-30T06:00:25Z
2024-10
 
Type Article
 
Identifier 0975-1068 (Online); 0972-5938 (Print)
http://nopr.niscpr.res.in/handle/123456789/64766
https://doi.org/10.56042/ijtk.v23i10.14477
 
Language en
 
Relation Int Cl.24: A01P 17/00
 
Publisher NIScPR-CSIR,India
 
Source IJTK Vol.23(10) [October 2024]