Pdf genotypic variability of sugarcane resistance to the. Melanaphis sacchari is a cosmopolitan insect and its worldwide geographic. The sugarcane aphid, melanaphis sacchari, is a key pest that affects sorghum in mexico. Aphididae, was first detected in sorghum near beaumont, tx in june 20. The aim of the present investigation was to identify sweet sorghum genotypes resistant to the sugarcane aphid, melanaphis sacchari zehntner. Earhead web worm cryptoblabes gnidiella pyraustidae lepidoptera 9. In terms of control alternatives, natural enemies including lady beetles, syrphid fly.
Aphididae, was previously described as aphis sacchari and longiunguis sacchari before being placed in its current genus. Sugarcane aphid as a pest of sorghum landgrant press. This simple webbased tool lets you merge pdf files in batches. Accurate identification of fungi controlling plant pests is essential in the search of more promising strains for the development of microbial insecticides. Pdf plant resistance in sorghums to the sugarcane aphid. In sorghum renu yadav, syam prasad, sumeet kumar singh, vishnu vijay, twinkle sabu, sonam lama, pawan kumar, jadhav sandesh, anjali thakur and naleeni ramawat. Host plant resistance can be deployed to minimize the losses due to this pest. Several experts independently concluded in the fall of 20 that the pest was melanaphis sacchari, the sugarcane aphid. When the sugarcane aphid was detected feeding on sorghum in the rgv and in the beaumont area of texas, oklahoma, and louisiana\.
Molecular and morphological evidence for resistance to. Sugarcane aphid, melanaphis sacchari, is emerging as a serious pest of sorghum during periods of prolonged drought or low humidity. All structured data from the file and property namespaces is available under the creative commons cc0 license. New oviparous morph of melanaphis sacchari zehntner on sorghum. In the united states us, the sugarcane aphid sca melanaphis sacchari zehnter hemiptera.
Evaluation of a diverse array of sorghum genotypes for resistance to this pest in andhra pradesh, india, indicated that csh 9, dj 6514, icsv 197, icsv 745, is 14334, is 10712, and tam. Miscellaneous insect pests of florida sugarcane 4 sugarcane aphid the sugarcane aphid, melanaphis sacchari, was first observed in florida in 1977. Feeding behavior of melanaphis sacchari zehntner hemiptera. Genotypic variability of sugarcane resistance to the aphid melanaphis sacchari, vector of the sugarcane yellow leaf virus. The outcomes of interactions between sugarcane aphid and sorghum and thus the severity of the outbreaks depend on sorghum genotype and potentially also on the phenology of sorghum. A new pest of sorghum, the sugarcane aphid melanaphis sacchari was found for the first time in south carolina in october 2014. Stink bug nezara viridula pentatomidae hemiptera 12. Invasion of sorghum in the americas by a new sugarcane. The sugarcane aphid, melanaphis sacchari zehntner hemiptera.
Download pdf save to my library no abstract for this paper is available. Our pdf merger allows you to quickly combine multiple pdf files into one single pdf document, in just a few clicks. Development of economic thresholds for sugarcane aphid. Our present study was focused on the characterization of scmv and use of pgpr strains to manage the disease. The aphid, sometimes referred to as the white sugarcane aphid, is dirty white or light gray to very light tan in color with very short cornicles figure 12 and feeds mostly on the undersurface of. The status of research of its geographical distribution, host range, nature of damage, extent of crop losses, and ecobiology in sorghum is summarized and research programs in different countries are. Sugarcane aphid, melanaphis sacchari zehntner hemiptera. The sugarcane aphid, melanaphis sacchari, is an aphid in the superfamily aphidoidea in the order hemiptera. Influence of different weather parameteres on aphid. The infected specimens showed white coloration with yellow shades similar to.
Aphididae can reach very high populations on sorghum by the time it flowers. There are indications that this aphid will persist in the lower rio grande valley and nearby areas in mexico, the coastal bend and. If you are looking for a way to combine two or more pdfs into a single file, try pdfchef for free. Ps2pdf free online pdf merger allows faster merging of pdf files without a limit or watermark. Reaction of different sorghum genotypes to infestation by. Pdf merge combinejoin pdf files online for free soda pdf.
Species diversity of entomopathogenic fungi infecting the. Low genetic diversity in melanaphis sacchari aphid. Aphididae, has been a pest of sorghum in parts of asia and africa for several decades singh et al. Sugarcane aphid melanaphis sacchari a new pest of sorghum. Pdf low genetic diversity in melanaphis sacchari aphid.
Effects of sugarcane aphid herbivory on transcriptional. Melanaphis sacchari an overview sciencedirect topics. Sugarcane aphid, melanaphis sacchari, infestations on grain sorghum in georgia 2014, top. During harvest, honeydewcoated leaves and stalks stick to the inner parts of harvest equip ment, clogging the combine and preventing it from. The main species found on the crop is melanaphis sacchari a small 1. This suggests that the insect has undergone a complete or partial host. The sugarcane aphid, melanaphis sacchari2 zehntner hemiptera. Influence of different weather parameteres on aphid, melanaphis sacchari infesting kharif sorghum d. Aphididae was introduced in the 1970s, however at that time it was only considered a pest of sugarcane. In 2015, the aphid was reported on sorghum in 17 states and over 400 counties as well as all sorghumproducing regions in mexico. Biology and management of the sugarcane aphid, melanaphis. Constitutive concentrations of total phenolics and available carbohydrates, water potential at the whole. Summary the new aphid pest of sorghum is taxonomically indistinct to m.
Melanaphis sacchari aphididae hemiptera minor pests 8. Aphididae, a new invasive pest of sorghum species in north america, was confirmed on sorghum in 4 states and 38 counties in the united states. Easily combine multiple files into one pdf document. In 20 the presence of the pest aphid melanaphis sacchari zehntner was detected in sorghum crops in southern texas, usa, and in the state of tamaulipas, mexico inifap, 20. Insects free fulltext hemipteran pests of sugarcane.
Melanaphis sacchari sorghi diagnosis blanco a amarillo palido en vivo, con o sin mancha dorsal abdominal. Plant bug dolycoris indicus pentatomidae hemiptera 11. The insect was not considered a pest of sorghum until 20 when it was found in large numbers on grain and forage sorghum in texas. In 20, the sugarcane aphid, melanaphis sacchari zehntner hemiptera. A sequence characterized amplified region scar marker linked to an aphidresistance gene rmes1 was first used to prescreen for resistant genotypes. It is mostly found in saccharum and sorghum species references. The sugarcane aphid melanaphis sacchari zehntner was discovered infesting grain sorghum close to beaumont, tx, near the texas and louisiana state line a few kilometers inland from the gulf coast. This free online tool allows to combine multiple pdf or image files into a single pdf document. This page was last edited on 14 september 2017, at 21.
Therefore, we tested a number of techniques to screen sorghum genotypes for their resistance to m. This species is most widespread on sorghum particularly in warmer areas where dryland sorghum is grown or where the crop is planted late. Melanaphis sacchari is a small aphid melanaphis sacchari, is a key pest that affects sorghum in mexico. Published as paper 19,022 of the contribution series of the minnesota agricultural experiment station and based on research conducted under project 2279h, supported by gar and hatch funds. Low genetic diversity in melanaphis sacchari aphid populations at the worldwide scale. Characterization of sugarcane mosaic disease and its. Soda pdf merge tool allows you to combine two or more documents into a single pdf file for free. Mirid bug creontiades pallidifer miridae hemiptera. The sugarcane aphid melanaphis sacchari zehtner, 1897 homoptera, aphididae, which is considered to be mainly anholocyclic, is present in america, australia, asia and africa. In january 2016, the presence of mycosis on melanaphis sacchari populations was observed in tecoman, colima.
Sugarcane aphid melanaphis sacchari outbreaks in sorghum that were first reported in 20 are now the most significant threat to this crop in all major sorghum production areas in the u. Melanaphis sacchari is a small aphid melanaphis sacchari, and it might be a new biotype that switched hosts or an invasive species recently introduced into the united states. Susceptiblity of sorghum hybrids to the sugarcane aphid. The invasive sugarcane aphid melanaphis sacchari, sca was first detected in the continental united states on sugarcane in florida in 1977 and in louisiana in 1999. Gram caterpillar helicoverpa armigera noctuidae lepidoptera 10. Aphididae, is a cosmopolitan insect whose geographical distribution follows sugarcane and sorghum crops worldwide eastop 1954, 1965. How to merge pdfs and combine pdf files adobe acrobat dc.