Background. The cotton-melon aphid, Aphis gossypii Glover (Hemiptera: Aphididae), is a polyphagous species with a worldwide distribution. Lucid key to Important Aphids. DownloadAphis gossypii taxonomia pdf. If I do I will need one of these. So please let me know what to do from here. Printing files across the.
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Developmental rates and fecundity of apterous Aphis gossypii on seedlings of Gossypium hirsutum. Radonjic and Hrncic, Zhang ZQ; Chen P, The planting date was the most important variable, gossyii a multiple regression analysis, affecting aphid density in dryland cotton in Texas, USA Slosser et al.
Chemically-induced resistance against multiple pests in cotton. Minks AK, Harrewijn P, eds. In cotton, an unusual approach was to top the plants after boll opening.
Association between biochemical markers and insecticide resistance in the cotton aphid, Aphis gossypii Glover. On the setp of the 8th abdominal tergite in Aphis gossypii Glover Homoptera: Effects of some selected plants on the fecundity of Aphis gossypii Glover under laboratory conditions.
In contrast, one paper reported no significant differences in birth rate for A. WWW page at http: The EIL for A.
In China it lays eggs on Zanthoxylum simulans RutaceaeRhamnus sp. Journal of Economic Entomology, 94 1: Aphididae as a factor inhibiting the survival and populatiohn increase of the predator Macrolophus pygmaeus Hemiptera: Midseason pest status of the cotton aphid Homoptera: European Journal of Entomology, 91 1: Cotton blue disease decreased the length of fibres by about 2.
Crop Protection, 17 9: Oils and other inhibitors of nonpersistent virus transmission. The opposite of host plant defence would be induced susceptibility. Crop Protection, 9 tossypii Agriculture Canada Technical Bulletin, E.
It also affects citruscotton and hibiscus. The arthropod fauna of cotton in the Murgab oasis. Aphididae on cucumber and chrysanthemum. Aphididae capturados con trampas amarillas en el cultivo de pimenton Capsicum annuum L. Biological Control Taxonommia a number of experimental studies on the natural enemies of A. Distribution Maps Top of page You can pan and zoom the map. Some eggs were also laid at the branching point of twigs. Aerial spores of Neozygites fresenii Entomophthorales: Effect of host plants on the susceptibility of Aphis gossypii Glover to certain insecticides.
The more nitrogen applied, the greater was the infestation by A. As aphids become more numerous, leaves become puckered, and curled. Annals of the Entomological Society of America, Additional factors which influence alate production include crowding of parents Graham,the type of parent apterous or alate Reinhard,and the possible effects of light and temperature Reinhard, ; Guldemond et al.
Spring populations of Aphis gossypii Homoptera: Some biochemical changes in garden egg Solanum integrifolium Legon “18” due to feeding by Aphis gossypii Homoptera: Agricultural Sciences in China, 1 However, pubescence has the opposite effect on A. The phenomenon is widespread, and occurs naturally. Detection and Inspection Top of page Field and Nursery In addition to looking for symptoms on the host plant chlorosis, distortion one should look for the presence of sticky surfaces indicative of aphid feeding on upper leaves, and the sooty moulds which often grow on the honeydew.
Although altered plant physiology may account for A. Resistance of the aphids Myzus persicae Sulz. While host plant resistance is easily classified into three categories, the cause-effect relationships are not often clear because aohis focus on one part toxicity and ignore other aspects that may be correlated genetically linked, or correlated within the aphiw plants but without a genetic basis.
In the USA, the movement onto cotton from noncultivated aphks plants was an important factor determining A. Annals of Applied Biology, 3: It is a true bug and sucks sap from plants. Net reproductive rate has been estimated for A. It moved to younger tissues only when population pressure forced it to; thus aphid populations were always greatest on the older leaves Banerjee and Raychaudhuri, ; Taxonomja and Cartwright, Japanese Journal of Entomology, 57 1: Topping was done by hand, using a pruning knife to remove the terminal spray of each plant Deguine et al.
Aphis gossypii (cotton aphid)
Gosxypii, the phloem they do get has reduced total protein Chen et al. Nutritional factors from other sources can affect A. Environmental Entomology, 7 3: