Peaches/Nectarines | BC Tree Fruit Production Guide

Peaches/Nectarines

Peaches/Nectarines – Year of Planting

Time of Application	Weeds	Material	Rate		Notes
Time of Application	Weeds	Material	Hectare	Acre	Notes
After soil settled; prior to weed emergence	Annual grasses & some broadleaf weeds	Devrinol	9 kg	3.6 kg	Sensitive to UV light; apply to moist soil & irrigate after application.
	Annual grasses & some broadleaf weeds	Prowl H₂0	3.7 L	1.5 L	Avoid contact with trunk & leaves. Apply to moist soil & irrigate after application.
	Annual grasses & some broadleaf weeds	Dual Magnum	1.25-1.75 L	0.5-0.7 L	Avoid contact with trunk & leaves. Apply to moist soil & irrigate after application.
	Annual broadleaf weeds & grasses	Sinbar	1.5 kg	0.6-1.2 kg	Apply to moist soil. Do not use on light soils.
30 days or more after planting	Annual broadleaf weeds & grasses	Casoron G4	110 kg	45 kg	Must be irrigated into soil immediately after application. Refer to text.
Emerged grasses (1-6 leaf stage)	Annual grasses, volunteer cereals, quackgrass	Poast Ultra	320-470 mL (1.1 L for quackgrass)	130-190 mL (445 mL for quackgrass)	Apply in a band under trees. Use Merge Adjuvant at 1% v/v in 100-200 water/ha.
Emerged weeds in 2-4 leaf stage	Annual grasses	Venture l	1 L	0.4 L	Does not control annual bluegrass.
Rapid growth 3-5 leaf stage	Quackgrass	Venture l	2 L	0.8 L	Provides suppression only.
Emerged weeds less than 5 cm	Annual broadleaf weeds	Basagran	2.25 L	0.9 L	Direct application to avoid crop. Requires a surfactant.
Throughout season -vegetation 10 cm or less	Annual & perennial broadleaf weeds & grasses	Gramoxone N	5.5 L	2.2 L	Avoid contact with foliage& green bark of trees.

Peaches/Nectarines – Bearing

Time of Application	Weeds	Material	Rate		Notes
Time of Application	Weeds	Material	Hectare	Acre	Notes
Late fall, late winter or early spring	Annual & perennial broadleaf weeds & grasses	Casoron G4	110-175 kg	45-70 kg	For late winter/early spring application, apply just prior to or during rainfall. Lower rates for annuals.
Late winter or early spring	Selected annual grasses & broadleaf weeds	Alion	375 mL	152 mL	Apply to only once per season before weed seeds germinate. Apply to moist soil and/or irrigate after application.
	Annual broadleaf weeds & grasses	Sinbar	0.9 –1.25 kg	0.35-0.5 kg	Apply to moist soil & to trees 3 yrs & older. High rates on heavier soils.
	Annual grasses & some broadleaf weeds	Prowl H₂0	3.7 L	1.5 L	Avoid contact with trunk & leaves. Apply to moist soil & irrigate after application.
	Annual grasses & some broadleaf weeds	Dual Magnum	1.25-1.75 L	0.5- 0.7 L	Avoid contact with trunk & leaves. Apply to moist soil & irrigate after application.
	Annual grasses & some broadleaf weeds	Devrinol	9 kg	3.6 kg	Sensitive to UV light. Apply just prior to or during rainfall.
Mid spring¹	Annual & perennial broadleaf weeds & grasses 10 cm or less	Gramoxon² N	5.5 L	2.2 L	Avoid contacting foliage. Use high spray volume.
	Annual broadleaf weeds & grasses	glyphosate² Various products available³	2.25-3.5 L	0.9-1.4 L	Avoid contacting foliage & green bark.
	Perennial broadleaf weeds & grasses	glyphosate² Several products available³	4.5-7 L	1.8-2.8 L	Avoid contacting foliage & green bark.
	Difficult-to-control perennials e.g. field bindweed	glyphosate² Several products available³	10-12 L	4-4.8 L	Avoid contacting foliage & green bark.
	Annual broadleaf weeds & grasses & some perennials	Ignite²	3-5 L	1.3-2.1 L	Avoid contacting foliage & green bark
	Quackgrass	Venture l	2 L	0.8 L	Provides suppression only.
	Annual grasses	Venture l	1L	0.4L	Does not control annual bluegrass.
	Annual braodleaf weeds Sucker control	Aim	36.5 - 117 mL 150 mL	15 - 47 mL 150 mL	Range of rates according to target weeds. May be tank-mixed with other herbicides (see label).
	Annual braodleaf weeds Sucker control	Aim	36.5 - 117 mL 150 mL	15 - 47 mL 150 mL	Rate for spot treatment of sukkers. Add adjuvant according to label.
Emerged grasses (1-6 leaf stage)	Annual grasses, volunteer cereals, quackgrass	Poast Ultra	320-470 mL (1.1 L for quackgrass)	130-190 mL (445 mL for quackgrass)	Apply in a band under trees. Use Merge Adjuvant at 1% v/v in 100-200 water/ha.

Questions, comments, or concerns can be emailed to [email protected].

Funding for this project was provided in part by Agriculture and Agri-Food Canada and the B.C. Ministry of Agriculture through programs delivered by the Investment Agriculture Foundation of B.C.

Agriculture and Agri-Food Canada, the B.C. Ministry of Agriculture and the Investment Agriculture Foundation of BC, are pleased to participate in the delivery of this project. We are committed to working with our industry partners to address issues of importance to the agriculture and agri-food industry in British Columbia. Opinions expressed in this publication are those of the BCFGA and not necessarily those of the Investment Agriculture Foundation, the B.C. Ministry of Agriculture or Agriculture and Agri-Food Canada.

Integrated Fruit Production Guide | Questions, comments, or concerns? Send them to us.