Small heat shock proteins shsps encompass a diverse, widespread class of stress proteins that have not been characterized in s. The stemborer sesamia nonagrioides is an important pest of maize in the mediterranean basin. Owing to this, complementary measures should be considered to further delay resistance evolution in the ebro valley. Bacteria isolated from the stem borer sesamia nonagrioides. Fatty acidamino acid conjugate analysis of the regurgitate fatty acidamino acid conjugates facs were analyzed from 10 ml of s. The dominant pest in that season wassesamia nonagrioides lefebvre, with a mean density of 1. Sesamia cretica occurs in southern europe and in parts of africa and asia e. Sesamia cretica is listed as an a1 quarantine pest for southeast asia. Among the metabolites present in maize, phenolic compounds could play an important role in resistance.
Samples were immediately frozen in liquid nitrogen and conserved at 80 c. Souto, liliana monetti, bernardo ordas, amando ordas and rosa a. Sesamia nonagrioides inhabits barrancos canaries, wetlands and other places with the host plants. Population genetics of the mediterranean corn borer.
This research was supported by the national plan for research and development of spain agl200736, agl20030961 and the autonomous government of galicia pgidit04pxic40303pn. In the present study, we isolated and characterized three s. General information about sesamia inferens sesain name language. Research paper candidate chemosensory genes in the. Sesamia nonagrioides sesanooverview eppo global database. Maize phenology influences field diapause induction of sesamia nonagrioides lepidoptera. Organisms inhabiting seasonal environments are able to synchronize their life cycles with seasonal cycles of biotic and abiotic factors.
In the present study we investigated the potential relative effects of bisphenol a bpa and rh5992 tebufenozide on the development and metamorphosis of the corn stalk borer, sesamia nonagrioides lepidoptera. Diapause, a state of low metabolic activity and developmental arrest, is used by many insect species to cope with adverse conditions. Opie pupa in a stem of maize to read this page in french. Comparative analysis of hemolymph proteome maps in. Maize stem response to longterm attack by sesamia nonagrioides. Response of egg parasitoid telenomus busseolae to sex.
Jhii is the most abundant jh in sesamia nonagrioides, important maize pests in the mediterranean basin. The male antennae of sesamia nonagrioides are much longer ciliated. Comparative assessment of the fieldsusceptibility of sesamia nonagrioides to the cry1ab toxin in areas with different adoption rates of bt maize and in bt free. The larvae initially feed on the leaf epidermal tissues and then bore into the heart of the host plants. It is an important pest of maize in the mediterranean basin.
Fine structure of the female sex pheromoneproducing. Media in category sesamia nonagrioides the following 4 files are in this category, out of 4 total. Effects of mating disruption against the mediterranean. Pdf thermoperiodism, photoperiodism and sensitive stage. The species was first described by francis walker in 1856. Corn stalk borer sesamia nonagrioides infestation on. Sesamia inferens, the asiatic pink stem borer, gramineous stem borer, pink borer, pink rice borer, pink rice stem borer, pink stem borer, purple borer, purple stem borer or purplish stem borer, is a moth of the family noctuidae.
The objectives of this research were to investigate whether yield and yield stability of the maize synthetic. Continuing to use this website means you agree to our use of cookies. The pink stem borer, sesamia nonagrioides lefebvre, is an important constraint for the maize crop in mediterranean regions. Pest management strategies are being developed against this species, including olfactionmediated behaviour modification and the use of tachinids 4, 5. The effect of various combinations of photoperiod and temperature on the induction of larval diapause of s. Pdf effects of selection for resistance to sesamia. The shortterm plant response to insect attack is well understood, but less is known about the maintenance of this response over time. Performance of crosses among flint maize populations under.
In females of sesamia nonagriodes, there are often dark spots on forewings. Inbreds cm151, co125, and ep39 had antibiotic pith as well as stem resistance, so the pith could play a role in stem resistance. The female wasp was attracted to odors from calling virgin females of s. Thermoperiodism, photoperiodism and sensitive stage in the diapause induction of sesamia nonagrioides lepidoptera. Pdf organisms inhabiting seasonal environments are able to synchronize their life cycles with seasonal. The stemborer sesamia nonagrioides lefebvre lepidoptera. There are 2 different glandular areas a ventral area, gi, around the ostium bursae and a ringshaped area, gii, around the ovipositor, instead of a single area. Effect of thermoperiod on diapause induction of sesamia.
Insect resistance monitoring report for sesamia nonagrioides. Larval feeding and ovipositional preference of sesamia. Short daylengths 812 h were the main factor inducing diapause in this. Many authors reported that oviposition of sesamia affected by host plant, konstantopoulou et al 2002, sekhar et al. Pdf maize stem response to longterm attack by sesamia. The cryptochrome1 cry1 gene has oscillating expression under short and long photoperiods in sesamia nonagrioides anna kourti1 and dimitrios kontogiannatos1 1school of food, biotechnology and development, department of biotechnology, laboratory of. The cryptochrome1 cry1 gene has oscillating expression. Noctuidae, also known as the mediterranean corn borer mcb, corn stalk borer or pink stem borer, is one of the most damaging pests of maize zea mays l. Maize, pheromone, mating disruption, sesamia nonagrioides, ostrinia nubilalis. The mediterranean corn borer, sesamia nonagrioides. Toxicity and mode of action of bacillus thuringiensis cry. Corn stalk borer sesamia nonagrioides infestation on sorghum in central greece.
We have been studying the factors that control larval diapause of sesamia nonagrioides levebvre, a multivolitine pest of corn, zea mays l. Using bacterial pathogens of insects as a biological control. Plants defend themselves against herbivores by activating a plethora of genetic and biochemical mechanisms aimed at reducing plant damage and insect survival. Maize stem response to longterm attack by sesamia nonagrioides article pdf available in frontiers in plant science 9. Comparative assessment of the fieldsusceptibility of sesamia nonagrioides to the cry1ab toxin in areas with different adoption rates of bt maize and in bt free areas. Effect of maize pith free phenols on larval growth and development of sesamia nonagrioides lepidoptera.
Temperaturedependent development of sesamia nonagrioides. It is multivoltine, with two to four generations per year, that. General information about sesamia nonagrioides sesano this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Noctuidae, is one of the most damaging pests of maize in spain and the circummediterranean countries castanera, 1986. Sesamia nonagrioides, diapause induction, development, thermoperiod, thermophotoperiod. The pink stem borer, sesamia inferens walker, is a major pest of rice and is endemic in china and other parts of asia. The mediterranean corn borer, sesamia nonagrioides, occurs sympatrically in the northeast of spain with other lepidopteran pests such as ostrinia nubilalis and. Uhplcms analysis of juvenile hormone ii in mediterranean. A number of morphological and molecular factors were examined in order to identify the toxic and the endocrinerelative action of these two chemicals. Sesamia nonagrioides is a serious pest of corn in the mediterranean regions and central africa.
Bt corn expressing the bacillus thuringiensis cry1ab toxin is being grown on about 58,000 ha in spain. Resistance monitoring of field populations of the corn borers sesamia nonagrioides and ostrinia nubilalis after 5 years of bt maize cultivation in spain. First detection of a sesamia nonagrioides resistance. Springer nature is making sarscov2 and covid19 research free. Sesamia nonagrioides wikispecies, free species directory. It is found from pakistan, india, sri lanka, myanmar to japan and the solomon islands. Noctuidae consist of modified intersegmental membranes. Noctuidae is a polyphagous species with a fairly wide range of host plants. Sesamia nonagrioides, the mediterranean corn borer, pink stalk borer or west african pink. Sesamia inferens sesainoverview eppo global database.
Effect of maize pith free phenols on larval growth and. Biology and control of sesamia nonagrioides botanephaga in the. The molecular and physiological impact of bisphenol a in. We performed transcriptomic and metabolomics analyses in order to identify genes and.
The larvae live in the stems and reveal themselves through holes and dying inner leaves. The stem borer sesamia nonagrioides lefebvre is the most important insect pest of maize, zea mays l. This study compared the sensitivities and matrix effects of four ionization modes on analyzing jhii in s. Adults and immature stages resemble those of other species of sesamia but adults can be positively identified on characters of the male and female genitalia described in tams and bowden 1953. Pdf egg laying preference of sesamia nonagrioides lepidoptera. A three year 2003e2005 field study compared the susceptibility to the cry1ab toxin, expressed in bt maize, of mediterranean corn borer mcb sesamia nonagrioides populations collected from areas with different adoption rates of bt maize in spain.
Comparative assessment of the fieldsusceptibility of. Thermoperiodic effects on diapause of sesamia nonagrioides. The effect of various constant temperatures on survival, development and adult longevity of sesamia nonagrioides lefebvre lepidoptera. Pdf comparative assessment of the fieldsusceptibility. The objective of this work was to determine whether a relationship between phenols and the amount of resistance exists. Free phenols in maize pith and their relationship with resistance to sesamia nonagrioides. However, very little is known on the molecular mechanisms that underlie chemosensation in. A three year 20032005 field study compared the susceptibility to the cry1ab toxin, expressed in bt maize, of mediterranean corn borer mcb sesamia nonagrioides populations collected from areas with different adoption rates of bt maize in spain with bt free areas in greece. The olfactory cues involved in the hostfinding behavior of telenomus busseolae gahan, a solitary egg parasitoid of the corn stalk borer, sesamia nonagrioides lefebvre, were studied. Crambidae, which has an overlapping but more northerly distribution, they can damage up to 80%. Free phenols in maize pith and their relationship with.
Free phenols in maize pith and their relationship with resistance. Ovipositional responsespreference of sesamia cretica to certain corn hybrids under laboratory conditions in free choice test. The mediterranean corn borer, sesamia nonagrioides lefebvre lepidoptera. The morphology and cytology of the female sex pheromoneproducing glands of sesamia nonagrioides lepidoptera. It is a major pest in egypt, as its losses may exceed 6070% of the maize and sugarcane crops.
Characterization and expression of genes encoding three. Integrative taxonomy reveals six new species related to. A maize synthetic population was improved for resistance to the mediterranean corn borer mcb, sesamia nonagrioides while maintaining yield. It is found in spain, southern france, italy and on the balkan peninsula, as well as in northwestern, southwestern and western africa the wingspan is 3040 mm. Biology and control of sesamia nonagrioides botanephaga in the fars province. Spain is the only european country where the cultivar compa cb derived from the event bt176 was commercially grown. Response to conspecific and heterospecific semiochemicals by. This species completes a variable number of generations per year depending on latitude, ranging from two in. First detection of a sesamia nonagrioides resistance allele to bt. Sesamia print iconographia zoologica special collections university of amsterdam ubainv0274 057 07 0005. Fifteen days after treatment application, a section free of damage of approximately 2 cm in the upper part of the stalk internode just below the. The juvenile hormones jhs have been considered the most versatile hormones in the animal kingdom. Here we studied the mode of action of this cry protein on s. Sesamia nonagrioides is one of the most damaging pests of corn in spain and other mediterranean countries.
Sesamia nonagrioides is a noctuid that feeds on maize, sugar cane and sorghum in north. Antibiosis of the pith maize to sesamia nonagrioides. Maize response to sesamia nonagrioides leaf sheath was discarded. Candidate chemosensory genes in the stemborer sesamia. Sesamia nonagrioides, the mediterranean corn borer, pink stalk borer or west african pink borer, is a moth of the family noctuidae. A new distribution map is provided for sesamia nonagrioides lef. Like other moths, this noctuid uses its chemosensory system to efficiently interact with its environment.
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