Neotropical maize genotypes with different levels of benzoxazinoids affect fall armyworm development
Neotropical maize genotypes with different levels of benzoxazinoids affect fall armyworm development
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不同苯并恶嗪类化合物水平的新热带玉米基因型影响草地贪夜蛾的发育
DOI:
10.1111/phen.12392
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发表时间:
2022
影响因子:
1.5
通讯作者:
Michereff M
中科院分区:
文献类型:
--
作者:
Michereff M
Plants are equipped with various defensive attributes against herbivores, including volatile and nonvolatile compounds. In maize plants, benzoxazinoids mediate resistance against some herbivores, with the most abundant being (2R)‐2‐β‐D‐glucopyranosyloxy‐4‐hydroxy‐7‐methoxy‐2H‐1,4‐benzoxazin−3(4H)‐one (DIMBOA‐Glc), and its corresponding aglucone 2,4‐dihydroxy‐7‐methoxy‐2H‐1,4‐benzoxazin‐3(4H)‐one (DIMBOA). Both compounds have been shown to interfere in the larval development of generalist herbivores but are less effective on specialist, that is, grass‐feeding, herbivores. Using a Brazilian population ofSpodoptera frugiperda,we investigated (i) the level of constitutive benzoxazinoids in Neotropical maize genotypes, that is, Zapalote Chico, Mirt 2A, Sintético Spodoptera, L3, BRS 4103 and BRS 1040 (ii) the effect ofS. frugiperdaherbivory on benzoxazinoid levels in these genotypes and (iii) the impact of the genotypes on the development ofS. frugiperdalarvae. The results showed that the six maize genotypes produce different levels of benzoxazinoids, with Mirt 2A and BRS 1040 producing constitutively higher levels of HDMBOA‐Glc and DIMBOA‐Glc respectively compared to the other genotypes. When feeding on BRS 1040 and Mirt 2A,S. frugiperdalarvae took an additional week to pupate, but this effect does not affect larval survival, what was the same and high on all the genotypes (>70%). Furthermore, production of DIMBOA‐Glc and HDMBOA‐Glc in these genotypes was suppressed, suggesting thatS. frugiperdalarvae can alter maize defence plant responses. In summary, our results demonstrate that Neotropical maize genotypes produce varying levels of benzoxazinoids, genotypes respond differently toS. frugiperdaherbivory andS. frugiperdais able to cope with secondary metabolite‐based defence in Neotropical maize.
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DOI:
--
发表时间:
2000
期刊:
影响因子:
--
作者:
P. Viana;M. Potenza
通讯作者:
M. Potenza
影响因子:
2.7
作者:
M. Lund;D. Brainard;T. Coudron;Z. Szendrei
通讯作者:
Z. Szendrei
影响因子:
2.8
作者:
Midega, Charles A. O.;Pittchar, Jimmy O.;Khan, Zeyaur R.
通讯作者:
Khan, Zeyaur R.
DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
L. P. Costa;M. R. Sena;P. E. O. Guimaraes;P. Viana;C. Pacheco
通讯作者:
C. Pacheco
影响因子:
3.8
作者:
Oikawa, A;Ishihara, A;Iwamura, H
通讯作者:
Iwamura, H