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  • Green bean micronutrients: requirements Green bean micronutrients or trace elements are often a forgotten aspect, not just in green beans but in general vegetable farming. Micronutrient deficiencies are rare…
  • Green bean planting times Green bean planting times are crucial since they are sensitive to frost They can be cultivated only when there is no longer any danger or…
  • Pests found commercial lettuce… Lettuce pests can be controlled in large commercial plantings. Due to the high planting densities and large fields, scouting is often neglected. Most pests are…
  • How to grow lettuce… According to botanists the current variety, Lactuca sativa, was developed from Lactuca scariola, which is a common weed in Europe, Abyssinia, East Asia and the…
  • The production of pumpkins… Pumpkins and squashes belong to the family cucurbitaceae and are related to calabashes, watermelons and muskmelons. Pumpkins and squashes probably originated in America from where…
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Green bean micronutrients: requirements

green bean fertilizer micro nutrient requirements

Green bean micronutrients or trace elements are often a forgotten aspect, not just in green beans but in general vegetable farming. Micronutrient deficiencies are rare in green beans but there are some soils where symptoms can occur. What growers forget is that a very small amount can have a devastating effect on yields. That is…

Green bean planting times

Green bean planting times are crucial since they are sensitive to frost They can be cultivated only when there is no longer any danger or risk of frost.  The different planting times for bush and runner beans in various parts of South Africa are listed in the table below Green beans planted during early summer…

Green bean seed germination

haricot dry bean legume green phaseolus

Green bean seed germination is epigeal. that is the cotyledon is pushed above the soil surface together with the young leaves. From planting it takes about 6-10 days for the seedlings to appear, depending on the soil temperature. At an optimum soil temperature of 24-30°C the seed will germinate rapidly and the seedlings emerge after…

How to fertilizer green beans (Bush beans)

planting-green-beans-density-spacing-ridges

The basics of green bean fertilization Green bean fertilization is quite easy as it has a short growth season, but if neglected can have a significant effect on yields. Proper preparation of the soil and an adequate amount of well-balanced nutrients are essential for good yields and a large proportion of first grade pods. The nutrients…

Green bean varieties

Maximising farm profit starts with a lot of things and one of the is the right variety for the production system. The right variety will provide the grower with the right product for his market and climate. The most important is climate. If the variety is adapted to the farm climate, a higher portion of…

How to control weeds in green beans

chemical weed control methods vegetables

There are 20 herbicides registered for controlling weeds in Phaseolus vulgaris. These are registered for Dry Beans, however, they should be applicable to green beans as well.  These herbicides differ with regard to stage and method of application and the spectrum of weeds they control.  These herbicides in combination with each other, or in certain cases…

Effect of salt stress on bush beans

We know that the quality of irrigation water is slowly deteriorating in South Africa. The salt content of water is ever increasing due to uncontrolled mining activities, heavy industrial effluent being dumped into rivers and intensive agricultural practices.  At the end, the grower is becomes limited in what can commercially be grown (and I mean with making…

Bacterial diseases of green beans

Bacterial spot of green beans disease control

Important green bean bacterial diseases and their control Here is a warning to all prospective growers; green beans are quite susceptible to diseases. Just like other fast growing soft leaf vegetables, you have to be on your toes and look at warning signs. Although preventative sprays is the easiest way out it is more expensive.…

Virus diseases of green beans

Virus diseases of green beans Virus diseases of green beans is a problem in the open field. As viruses cannot move by themselves, they need a host or vector to hitch a ride. Two main methods of transportation or distribution are insects and humans.  Insects are the most difficult to control and are also the…

Fungal diseases of green beans

green bean disease

Fungal diseases of green beans Damping off Damping off is caused by various fungi. The most common fungi that show symptoms of damping off are Rhizoctonia root rot (Rhizoctonia solani), Pythium Root Rot (Pythium spp.), Phytophthora root rot (Phytophthora spp.) and Black root rot (Thielaviopsis basicola).  The first symptoms are a weak stand. It is a soil borne fungi…