التفاصيل البيبلوغرافية
| العنوان: |
EFFECT OF ELICITORS AND SEROTONIN ON POLYPHAGOUS PEST SPODOPTERA LITURA (FAB.). |
| المؤلفون: |
Roshni, A. Mary, Gothandaraman, Rajadurai, Venugopal, Sheela, Eswaran, Kokiladevi, Doraiswamy, Uma, Muthurajan, Raveendran, Subbarayalu, Mohankumar |
| المصدر: |
Biochemical & Cellular Archives; Apr2024, Vol. 24 Issue 1, p959-963, 5p |
| مصطلحات موضوعية: |
SPODOPTERA littoralis, SEROTONIN, PESTS, JASMONATE, DEATH rate, FOLIAR feeding, SALICYLIC acid, ETHANOL |
| مستخلص: |
Spodoptera litura Fab., a polyphagous pest, is also found to be one of the important pests feeding cauliflower leaves. Elicitors like salicylic acid methyl jasmonate impart induced defence in plants when fed by herbivores. Further, serotonin a neurotransmitter produced in plants is found to bring a beneficial feeding environment for pests when fed on plants. The experiment was conducted on cauliflower leaf discs by treating them with methyl jasmonate, salicylic acid and serotonin, and water, ethanol and methanol as controls. First instar larvae of Spodoptera litura Fab. were fed on the treated leaf discs for five days and observations on the mortality of larvae were made. The results suggested that methyl jasmonate induced resistance in plants, deterring the feeding of larvae and increasing mortality rates significantly among all other treatments. On the contrary, serotonin-mediated effects resulted in lower mortality at the rate of approximately two out of ten larvae per replication. Salicylic acid treatment accounted for moderate resistance to feeding next to methyl jasmonate treatment. The mortality rates of the three controls were on par with each other. Thus, serotonin could also be a factor for increasing the susceptibility of hosts towards pests. Further, methyl jasmonate treatments impart the fact that neonates are deterred from feeding leading to high mortality rates. The manipulation of serotonin and methyl jasmonate levels could impart high resistance toward Spodoptera litura Fab. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
