2024 Resistance to maize stem borer is due to

Resistance to maize stem borer is due to

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WebJun 24, 2024 · Due to the limited seed quantities, 64 lines were replicated thrice, 123 lines were replicated twice, and 132 once. ... It should be noted that this map was earlier enriched with additional QTL for maize resistance to spotted … WebJan 1, 1999 · Abstract. The most important insect pest of maize ( Zea mays L.) in southern Europe is the pink stem borer ( Sesamia nonagrioides Lef.). The objective of this work …

(PDF) Resistance in maize to Larger Grain Borer - ResearchGate

WebMolecular Breeding approaches for Yellow Stem Borer resistance in Rice is difficult due to complex genetic of the character and inherent difficulties in screeni WebMar 22, 2024 · Smallholder farmers in South Africa can now access and grow new maize varieties with transgenic resistance to stem borers, the most damaging insect pest of … choppers island

New maize hybrid shows resistance to stem borers in South Africa – CI…

Webshare.osf.io WebApr 1, 2024 · A temporary ban affecting commercial cultivation of GM crops was put in place by President Sarkozy last October as part of plans to make greener. It prevented new crops being plan WebThe sugarcane borer (SCB), Diatraea saccharalis (Fabricius) (Lepidoptera: Crambidae), is a key lepidopteran maize pest in South America, primarily in Argentina, 1, 2 where the economic losses due to SCB injury to maize were estimated at approximately US$170 million annually. 3 Neonate SCB larvae typically feed on the leaves of maize plants, and … choppers jolly roger

Genes Free Full-Text Genetic Basis of Maize Resistance to

WebMar 17, 2024 · Maize production in Uganda is constrained by various factors, but especially drought and stem borers contribute to significant yield losses. Genetically modified (GM) maize with increased drought tolerance and/or Bt insect resistance (producing the Bacillus thuringiensis Cry protein) is considered as an option. For an ex ante impact analysis of … WebApr 23, 2024 · However, a more relevant role of regurgitate in the early response of maize to stem feeding by borers cannot be ruled out due to some agreement between transcripts up-regulated in response to S. nonagrioides regurgitate and those reported previously as being implicated in the short-term response to feeding by S. nonagrioides (Rodríguez et al ... great book of grudges from warhammerWebStem borer (SB) and more recently, fall armyworm (FAW) are serious economic pests in maize production in sub-Saharan Africa. It is hypothesized that SB-resistant germplasm … choppers knives

"WebApr 10, 2024 · This is aimed at consolidating information pertaining to the potential impacts of Bt maize on the development and behaviour of maize stem borers and their natural enemies, with special emphasis on stem borer parasitoids such as the larval parasitoids Cotesia flavipes Cameron (Hymenoptera: Braconidae), Cotesia sesamiae Cameron … " - Resistance to maize stem borer is due to

Resistance to maize stem borer is due to

Efficacy of drought-tolerant and insect-protected transgenic TELA ...

WebJun 9, 2024 · Table 3. Correlation of the yield traits and number of borers per cob evaluated under natural infestation of stem borers. Conclusion. From the results obtained, it was established that five of the maize varieties investigated with longer ear tip, lower number of kernels per row even including does that were bred for stem borer resistance were … WebApr 10, 2024 · The Pink Stem Borer (PSB), Sesamia inferens (Walker) (Lepidoptera: Noctuidae) is a polyphagous insect that damages a variety of crops such as rice, maize, wheat and sugarcane (Xu et al., 2011).PSB is distributed in rice- and sugarcane-producing regions especially in Asia (Sidar et al., 2024).After hatching, tiny larvae of PSB feed on the …

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WebReceived: 21 October 2016 Accepted: 28 August 2024 Published: 30 September 2024 ABSTRACT Insect pests are primary constraints in maize (Zea mays) production in many … WebYield loss due to stem borer attack was estimated to be between 20 and 70% depending on the severity and stage of plant development when attacked (Ajala et al, 2001; De Groote et …

WebMar 1, 2014 · Introduction. The yield of maize (Zea mays ssp. mays), an important cereal, fodder and industrial crop, is threatened by various biotic and abiotic factors, including … WebSome crop plants naturally develop resistance to pests as a result of morphological, physiological or biochemical characteristics in them. In maize crop certain biochemical …

Web1 day ago · Maize is the most-produced cereal in the world, but its production encounters constraints, amongst which stem-borers parasitic attacks. We evaluated the resistance of a core-collection of 18 maize lines by measuring their palatability to European Corn Borer (ECB) larvae fed on maize leaf discs. Through an original consumption test device that … Web1 day ago · Maize is the most-produced cereal in the world, but its production encounters constraints, amongst which stem-borers parasitic attacks. We evaluated the resistance of …

WebIt is an important pest in Asian and African countries (Arabjafari and Jalali, 2007). Maize production is severely affected by maize stem borer to the degree of 15 -60%. A loss of 24 …

WebApr 10, 2024 · The Pink Stem Borer (PSB), Sesamia inferens (Walker) (Lepidoptera: Noctuidae) is a polyphagous insect that damages a variety of crops such as rice, maize, … choppers landing spotWebMay 1, 1997 · The spotted stem borer (SSB) Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae) is an important pest of maize in several countries of Asia and Africa. Serious … choppers isle mapsWebCodling moth is a key pest of apples and pears worldwide. Since it was first reported in South Africa in 1885, codling moth has remained a major pest of apples and pears and, to a lesser extent, of apricots. If uncontrolled it has the potential to destroy the entire crop. It is an expensive cost for codling moth control – in 2011 the ... choppers kitchen applianceWebMaize resistance to stem borers and storage pests: The need for new genetic and functional genomics approaches in future research ... hazards due to mycotoxin contamination. choppers inc hubless wheelWebA. Kalaisekar, ... J.V. Patil, in Insect Pests of Millets, 2024 Stem Borers. The spotted stemborer Chilo partellus is an oligophagy and feeds on species of grasses and sedges which include several important cultivated cereals, especially maize, sorghum, rice, sugarcane, and millets. It survives on several grasses including sudan grass (Sorghum … choppers island one pieceWebSep 1, 2014 · The type of gene action involved in the inheritance of combined resistance to two stem borer species (Sesamia calamistis and Eldana saccharina), and the interrelationship among agronomic and stem borer damage parameters were studied in a tropical maize population (DMR ESR-W).The 225 full-sib progenies generated in the maize … great book of hashishWebMaize stem borer. Introduction The African maize stem borer, Busseola fusca (Fuller), is the most important insect pest of maize in South Africa. A gener-ally accepted estimate of annual losses during the early part of the 20th century was 10% of the national crop (Mally, 1920). South African maize production increased from less chopper simulator games