3 edition of The sorghum midge found in the catalog.
The sorghum midge
B. R. Wiseman
1976 by U.S. Dept. of Agriculture, Agricultural Research Service, [Southern Region] in [New Orleans, La.] .
Written in English
|Statement||[by B. R. Wiseman, W. W. McMillian, and N. W. Widstrom]|
|Series||ARS-S ; 139, ARS-S -- 139.|
|Contributions||McMillian, W. W., Widstrom, N. W., United States. Agricultural Research Service. Southern Region.|
|The Physical Object|
|Pagination||8 p. ;|
The average measurements of 14 freshly deposited eggs show the length of the egg proper to be 0. Daily readings of the catch on these screens showed that while the fields were in bloom the flight was nearly always toward the field and with the wind. For example, when sorghum-sudangrass or sorghum alone were no-tilled into endophyte-infected fescue pastures in Missouri that had received two herbicide applications, the disease was controlled nearly percent. In the list which follows several of the varieties were furnished by the Bureau of Plant Industry and the names are followed by the Cereal Investigations Number. Field Crop Res. Control of panicle caterpillars on sorghum,
A summary of the size of 20 individuals of each sex is shown in table 6. Thomason, and Mark D. As many as 13 larvae have been found to mature in a spikelet. The sorghum midge now occurs throughout the southeastern quar ter of the United States fig. Servio, O. Recovery of insects by using froth flotation devices.
Management: Effective control of sorghum midge requires integration of several practices to avoid and reduce sorghum midge abundance. It is obvious, then, that any heads blooming much in advance of the main crop should be removed for its protection. Land Use Coordinator M. Ball 1 showed that this insect was responsible for a great deal of the sterility in sorghums in Texas and Louisiana and gave a very brief description of its life history.
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Smith, and S. But they also produce natural nematicidal compounds that chemically suppress some nematodes, many studies show. Relationship between sorghum glume closure and resistance to sorghum midge. The eggs are cylindrical and white, usually 0. For this reason, plants first should be inspected along field borders, particularly fields downwind of earlier flowering sorghum or johnsongrass.
About Sorghum Midge Reproduction and Life Cycle The sorghum midge overwinters as larvae in a cocoon that can be found inside the sorghum spikelets. The adult sorghum midge is a 1. However, if sorghum midge numbers in border areas of a field equal or exceed the economic threshold level, additional panicles from the entire field avoiding plants within 45 m of field borders should be inspected.
Insect pests. The abdomen retains the orange color.
One full-grown midge larva is usually enough food to enable a Eupelmus larva to complete development. Kalpande, S. Bureau of Plant Industry E. Stewart, G. The spiders Metepeira labyrinthea HentzEpeira pratensis Hentz, a thomisid, and a species of Dictyna have been observed to capture as many as 50 adults per day in their webs, while Phidippus audax HentzP.
The season of is the only one since during which it has been observed The sorghum midge book the fields of Texas, and it was present in extremely limited numbers that year.
Ghorade, R. Sorghum midge dispersal from sorghum. It is extremely important to never spray on days that are windy.
As a practical matter, scout the field carefully to determine whether there are sugarcane aphids present. Agricultural Adjustment Administration R. The rate of seeding is somewhat dependent on the date of seeding and the condition of the seedbed, as it is necessary to use more seed to obtain a good stand where conditions for germination are unfavorable.
Prasuna Rani, C. Gugi and S. It is probably a puparium, although it does not show the larval form or characters. The period of susceptibility to sorghum midge may last from seven to nine days individual panicle to two to three weeks individual fielddepending on uniformity of flowering. Teetes, Gary C.
Office of C. At similar infestation levels of ovipositing sorghum midge females, resistant hybrids generally are only one-fifth as damaged as susceptible hybrids, meaning that resistant sorghum hybrids have economic injury levels five times higher than susceptible hybrids.
Bureau of Dairy Industry O. Sorghum-sudangrass hybrids and other sorghum-related crops and cultivars suppress some species of nematodes. Baker made careful infestation counts on successive heads in a row at 3 different places in a field on each of 6 widely separated farms in (sorghum midge, corn earworms, fall armyworms, sorghum webworms, stink bugs, false chinch bugs) (Teetes and Pendelton, ; Buntin, ).
General guidelines for the control of disease and insect pests are the selection of resistant hybrids, planting. Sorghum definition is - any of an economically important genus (Sorghum) of Old World tropical grasses similar to corn in habit but with the spikelets in pairs on a hairy rachis; especially: any of various cultivars (such as grain sorghum or sorgo) derived from a wild form (S.
bicolor synonym S. vulgare). How to use sorghum in a sentence. Sorghum plays an important role in both animals and humans feeding. However, sorghum midge is one of limiting factors in sorghum production.
This study was conducted to estimate combining ability for grain yield, and resistance to sorghum atlasbowling.com: Hamidou Massaoudou, Malick Ba, Issoufou Kapran, Eric Y. Danquah, Kwadwo Ofori, Vernon Gracen. Red Sorghum: A Novel of China [Mo Yan, Howard Goldblatt] on atlasbowling.com *FREE* shipping on qualifying offers.
The acclaimed novel of love and resistance during late s China by Mo Yan, winner of the Nobel Prize in Literature Spanning three generationsCited by: 4. Jul 08, · name "sorghum midge" for this insect. The Yearbook of the Department of Agriculture for (12) mentions the sorghum midge by that name as having "destroyed the seed of sweet sorghum in the Gulf States." This note also adds, "It has been reared from sorghum seed from North Carolina to central Texas and north to northern atlasbowling.com by: Getting Ready for Sorghum Midge In the July 8th edition of FOCUS I promised to write more detailed information on sorghum midge.
This year a lot of sorghum was planted earlier than normal in order to avoid the potential worst problems associated with sugarcane aphid. (Congratulations if you employed this IPM practice!Author: Pat Porter.