Pests and Diseases of Lettuces

Typical symptoms: Leaves are infested with pink or green aphids; the leaves may be sticky.

10/10/2018
IPM for cabbage aphids IPM for cabbage aphids

When it comes to cabbage aphids and Integrated Pest Management (IPM), success will depend on the crop being grown, the season and other considerations.

09/10/2018
Expert Advice for Green House Gardening – Making a Hot Bed Expert Advice for Green House Gardening – Making a Hot Bed

Making hot beds is a form of green house gardening but without the green house.  Frame beds provided with bottom heat will bring crops to maturity long before

08/10/2018
How to Treat Common Plant Diseases How to Treat Common Plant Diseases

More usually associated with dead wood, this distinctive disease can cause die-back on currants, gooseberries, apples and many other woody plant

08/10/2018
Choosing a tomato variety Choosing a tomato variety

We have about 200 tomato varieties in South Africa. This fact alone makes the value of the variety list highly questionable.

08/10/2018
6 Mistakes You’re Making With Your Compost Pile 6 Mistakes You’re Making With Your Compost Pile

Truly messing up your compost is hard to do. Throw organic matter in a pile outdoors and it will break down eventually, even if you never look at it again

05/10/2018
Developing an IPM outlook Developing an IPM outlook

As we’ve said before, integrated pest management (IPM), or using the natural enemies of crop pests to help control those pests

05/10/2018
7 Tips for a High-Yield Vegetable Garden, Even When You're Tight on Space 7 Tips for a High-Yield Vegetable Garden, Even When You're Tight on Space

Imagine harvesting nearly half a ton of tasty, beautiful vegetables from a 15-by-20-foot plot, 100 pounds of tomatoes from just 100 square feet

04/10/2018
6 Ways to Build Your Own Tomato Cages 6 Ways to Build Your Own Tomato Cages

Although a near-necessity for growing tomatoes, tomato cages can be as fancy, homemade, or as economical as you’d like

04/10/2018
How tomato growers can practice IPM How tomato growers can practice IPM

When it comes to Integrated Pest Management (IPM), tomatoes have quite a complex array of requirements which will depend on the varieties planted

04/10/2018
More common potato diseases More common potato diseases

It’s associated with warm temperatures (28°C-30°C) and prolonged wet periods, or rapidly alternating wet and dry periods.

02/10/2018
Leafy crop vs fruiting crop the balancing act Leafy crop vs fruiting crop the balancing act

When trying to predict how a crop will respond to various situations, remember that all cultivated crops originated from wild ancestors growing in competition

02/10/2018
Potato tuber moth and other spud pests Potato tuber moth and other spud pests

Many pests target potatoes but most of these occur very occasionally and are likely to do minimal damage.

01/10/2018
Carrots: get your numbers right! Carrots: get your numbers right!

Hot weather is unfavourable for carrot germination. Depending on the soil’s condition and structure, it also promotes the growth of soil fungus diseases

01/10/2018
Soil could filter antibiotics from treated wastewater Soil could filter antibiotics from treated wastewater

Alternative to discharging treated wastewater into waterways is to spray it on land so it does not contribute to antibiotic resistance.

01/10/2018
Late blight: fast & very destructive Late blight: fast & very destructive

Late blight in potatoes is caused by airborne spores of the Phytophthora infestans fungus. The disease manifests as irregular dark lesions on the stems

28/09/2018
Preparing to plant carrots: seeds and soil Preparing to plant carrots: seeds and soil

Carrots have a very deep root system and a mass of fine feeder roots.

28/09/2018
Tomatoes year-round – new cultivars Tomatoes year-round – new cultivars

Producing tomatoes in tunnels is highly scientific, expertise-intensive and efficient in terms of area, water, nutrient and resource use.

27/09/2018
A guide to growing baby carrots A guide to growing baby carrots

There’s always a market for baby vegetables, and carrots are no exception. In the past, top-shaped baby carrots were the most popular in the frozen range.

27/09/2018
Practicing IPM with cabbages Practicing IPM with cabbages

It requires a lot of observation and experience, but Integrated Pest Management (IPM) can be practiced with cabbages.

26/09/2018
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