Weed ingress and pasture persistence in Bay of Plenty dairy farms field observations and farmer perceptions

Authors

  • K.N. Tozer
  • C.A. Cameron
  • E.R. Thom

DOI:

https://doi.org/10.30843/nzpp.2011.64.5964

Abstract

Aboveground botanical composition and seedling emergence from the soil seedbank were assessed in 30 Bay of Plenty dairy pastures in spring 2010 Pastures ranged in age (young 12 years medium 34 years old 56 years) and included those with and without forage herbs (chicory and/or plantain) As pastures aged there was an increase in the percentage of total dry matter of unsown weed grasses (3 8 27) and unsown herbaceous weeds (5 18 39) in young medium and old pastures sown with herbs respectively Unsown weed grasses dominated the seedbank and together with herbaceous weeds comprised more than 99 of seedlings that emerged from the seedbank Farm managers ranked insect pests and climate (eg droughts/floods) as the primary factors causing the decline of sown species while grazing management was perceived as the most important factor that can improve persistence of sown species

Published

2011-01-08

How to Cite

Tozer, K., Cameron, C., & Thom, E. (2011). Weed ingress and pasture persistence in Bay of Plenty dairy farms field observations and farmer perceptions. New Zealand Plant Protection, 64, 68-74. https://doi.org/10.30843/nzpp.2011.64.5964

Issue

Section

Pasture pests & weeds

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