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Effects of cultivations and previous cropping on leatherjacket populations in spring barley



Effects of cultivations and previous cropping on leatherjacket populations in spring barley



Research and Development in Agriculture 5(1): 35-37



The number of larvae of Tipula spp. in emerging spring barley was surveyed in 1983, 1984 and 1986 in the UK. The number of years that a field had been cultivated significantly influenced the number of larvae found. Generally, only those crops immediately following grass were at risk of having populations above the currently accepted economic threshold. In 1986 there was an average decline of 86.2% from population levels in grass in January to those in the growing crop in late May-early June.

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Accession: 001580258

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