Browse on keywords: insect ID pea
Search results on 02/23/18
1069. Brindley, T.A. and W.E. Shull. 1940. Pea weevil controls.. U of Idaho Extension Bull. #132.
Pea weevil (Bruchus pisorum); dusting with rotenone (1%), apply 20 lb/ac of dust; carrier is talc or diatomaceous earth; much rotenone toxicity is lost in 24 hrs due to sunlight; rough threshold for control is 5 weevils in 25 sweeps; discusses dusting equipment; dusting cost about $1.88/ac.
2693. Homan, H. and L.E. O'Keefe. 1979. Pea weevil and its control.. ID Agr. Expt. Sta. CIS. #475.
Attack pea at flowering; often feed at field margins; do not move quickly, eggs laid in new pods; no damage on dried peas; plant weevil - free seed, sanitize field residue; 1 weevil in 100 sweeps at flowering is economic threshold for processing peas, 3 in 50 for dry peas; winter peas more succeptible than spring peas. T: Weevil infestations, insecticide treatments.
2702. Homan, H., L.E. O'Keefe, and R.L. Stoltz. 1984. Aphids on peas and lentils and their control.. ID Agr. Expt. Sta. CIS #748.
Describes life history of pea aphid and cowpea aphid; natural enemies; virus diseases they spread; early planting an advantage; check threshold levels; insecticide controls listed.
2766. Hulbert, H.W.. 1919. Field pea production in north Idaho.. ID Agr. Expt. Sta. Bull. #115.
1918-1924, 722 acres in peas; often replace summer fallow; peas improve soil condition; yields 10-18 bu/ac and 18-23 bu/ac; variety information, date of planting, planting rate, depth of seeding; harrow after emergence; inoculation response noted; used as a nurse crop for grasses and legumes; WW yields same after peas vs. SF; noted rotation effect; pea weevil - fumigate with carbon bisulphide for seed trt.; also heat seed to 125-140 degrees F; pea aphid a problem.
2937. Idaho Agr. Expt. Sta.. 1939. Annual Report. Id Agr. Expt. Sta. Bull. #229.
1% rotenone dust (at 20-40 lb/ac) good pea weevil control; use of border trap strips in combination with dusting, reduced the area needing treatments; burial of weevils at 6" killed them.
2955. Idaho Agr. Expt. Stat.. 1937. Annual Report. ID Agr. Expt. Sta. Bull. #221.
Reference to night plowing of border catch crop to control pea weevil (p.13); pea weevil insecticides - derris dust plus tobacco dust; cryolite, derris dust and diatomaceous earth; derris dust and sulfur.
4894. O'Keefe, L.E. and A.L. Antonelli. 1974. The pea leaf weevil. ID Agr. Expt. Sta. CIS #227.
Newly introduced pest; adults feed on foliage; feed on perennial legumes, winter and spring peas; eggs laid on soil, larvae feed on root nodules; single generation each year; seedlings most succesptible to damage, especially to terminal growing point; healthy plants can outgrow a moderate infestation; threshold for control at 1 weevil per plant; apply DDT or methoxychlor when 0.5 weevil per seedling is found. T: life cycle.
10416. Smith, L. (ed.). 1991. North central Idaho county extension field crop demonstrations, 1989-1990.. ID Agr. Expt. Sta. Misc. Series 152, Moscow..
The results of numerous on-farm tests are reported. Some tests were replicated, while others were simply demonstrations. The tests were organized by county extension agents.