| Organic Seeds | Edible Plants | Organic Pest Controls | Books | Tools, Propagation & Fertilisers | Sprouting & Microgreens | Poultry Supplies | Specials & Gift Ideas |
Top
We will send an email to this address*
when is next available
* we will use this email address only for this notification and then we will delete it.
Home
Green Harvest Organic Gardening Supplies is permanently closed as of 5pm on 1-11-2023.
We will not be taking orders by this website, in person, by phone or email. Our display garden and retail shop are closed forever.
Read more...
Phone:07 54357000
Phone calls will only be responded to sporadically and only in reference to orders placed prior to 2-11-2023. All the useful growing and organic pest management research and resources are available on this website for a while still.
Downy Mildew Control © Frances Michaels
Downy mildew is a group of fungal diseases which are common in cool, wet weather. It affects a wide range of vegetables, ornamental plants and fruit trees including grapevines. The fungal spores are spread by wind. First of all small, angular, light yellow or brownish spots appear on the upper surface of leaves. Underneath the leaf these spots produce white fluffy spores. It causes stunting, wilting, yellowing and the death of seedlings.
The fungal spores cannot germinate in dry conditions and need to be moist for a number of hours in order to germinate so doing everything possible to reduce moisture on the leaves and improve air circulation is important. In areas with high humidity this can be impossible to achieve at certain times of the year.
Suggested Organic Strategies
More information on organic fungal control...
Suggested Products:
Natrakelp
Downy mildew is a group of fungal diseases which are common in cool, wet weather. It affects a wide range of vegetables, ornamental plants and fruit trees including grapevines. The fungal spores are spread by wind. First of all small, angular, light yellow or brownish spots appear on the upper surface of leaves. Underneath the leaf these spots produce white fluffy spores. It causes stunting, wilting, yellowing and the death of seedlings.
The fungal spores cannot germinate in dry conditions and need to be moist for a number of hours in order to germinate so doing everything possible to reduce moisture on the leaves and improve air circulation is important. In areas with high humidity this can be impossible to achieve at certain times of the year.
Suggested Organic Strategies
- Avoid overhead irrigation.
- Select resistant varieties. Try to remove leaves as soon as they are affected. Certain vegetables are particularly susceptible including peas, rockmelons and apple cucumbers. Grow plants on a trellis to improve the air circulation around them.
- Spray vulnerable plants regularly with a seaweed based product to build plant vigour.
- Mulching acts as a barrier and helps restrict the spread of fungal spores from the soil onto the plant.
- Dispose of fallen leaves and prunings.
More information on organic fungal control...
Suggested Products:
Natrakelp
Home
Green Harvest Organic Gardening Supplies is permanently closed as of 5pm on 1-11-2023.
We will not be taking orders by this website, in person, by phone or email. Our display garden and retail shop are closed forever.
Read more...
Phone:07 54357000
Phone calls will only be responded to sporadically and only in reference to orders placed prior to 2-11-2023. All the useful growing and organic pest management research and resources are available on this website for a while still.
No liability will be accepted by Green Harvest, its owners or employees as to the accuracy of any information. No responsibility will be taken for damage to property or persons due to information given about a product or technique. No responsibility will be taken for the loss of a crop or income due to information given about a product or technique.
Shopping here is private and secure.
Copyright © 2001 - 2024 Green Harvest Organic Gardening Supplies
No part of this website may be reproduced without permission of the owner