Mite Control on Louisiana Pecans, 1991 | Zendy

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Mite Control on Louisiana Pecans, 1991

Author(s) -

Michael Hall

Publication year - 1992

Publication title -

insecticide and acaricide tests

Language(s) - English

Resource type - Journals

ISSN - 0276-3656

DOI - 10.1093/iat/17.1.72a

Subject(s) - sprayer , acre , randomized block design , acaricide , horticulture , block (permutation group theory) , sampling (signal processing) , mathematics , statistical analysis , forestry , toxicology , geography , biology , agronomy , statistics , engineering , geometry , electrical engineering , filter (signal processing)

Four acaricides were evaluated for control of PLSM on pecan. The study was conducted at the Pecan Research-Extension Station on 59-yr-old trees of the ‘Stuart’ cultivar. Trees having a past history of PLSM infestations were selected. Plots were arranged in a randomized complete block design consisting of 3 blocks, with one tree per treatment per block. Pretreatment counts were made on 9 Aug. Application of foliar applied materials were made on 12 Aug using an FMC 957 speed sprayer calibrated to deliver 29 gal of finished spray per tree (261 gal/ acre). Posttreatment counts were made at 9 and 23 d after treatment (DAT). Sampling consisted of counting the number of PLSM and PLSM eggs on 10 pairs of leaflets per tree. Data were subjected to the appropriate statistical analysis.

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