Can you manage downy mildew in hydroponic basil with organic foliar sprays?
Basil downy mildew, caused by the obligate oomycete Peronospora belbahrii, has become one of the most serious diseases affecting hydroponic ...
Triacontanol Foliar Sprays in Soilless Culture: Formulation and Application
Triacontanol is a naturally occurring long-chain fatty alcohol found in plant cuticle waxes that can act as a growth regulator ...
Calcium silicate (wollastonite) in soilless crops
Silicon in media is not a magic switch. In soilless systems it can help, it can do nothing, and at ...
Calcium Thiosulfate as a Nitrate-Free Calcium Source in Soilless Culture
Growers often supply calcium (Ca) with calcium nitrate, but that introduces unwanted nitrogen (N). To achieve a 0% N finish ...
A low cost DIY oil IPM for your crops
An emulsified vegetable oil spray can smother mites and soft-bodied insects and can suppress powdery mildew if you actually coat ...
Coco Coir vs Rockwool in Soilless Crops
Choosing the right substrate is critical in greenhouse hydroponics. Coconut coir (coco peat) has become a renewable alternative to rockwool, ...
Recent advances in hydroponic cucumber cultivation: media, irrigation, nutrition and biostimulants
Cucumber has become a model crop for testing new soilless technologies, with greenhouses adopting alternative substrates, precision fertigation and biostimulants ...
Foliar Calcium in Hydroponics
Calcium is essential yet poorly mobile in plants. Young leaves and fruit can go deficient even when solution Ca is ...
Do oil-producing crops need extra manganese or just enough?
Manganese is a workhorse micronutrient in plants. It is central to photosystem II, essential for the water splitting chemistry, and ...
Moringa extract as a biostimulant in hydroponics
Moringa leaf extract (MLE) is a rather recent addition to the biostimulant market. Below I focus on peer-reviewed work in ...
Exogenous Root Applications of Wetting Agents in Soilless Media
Introduction Dry peat, coir, rockwool or bark mixes can become water repellent, which creates uneven moisture and nutrient delivery around ...
Root-applied auxins in hydroponics: where they help, where they don’t
Introduction Auxins can modulate root architecture, fruiting and stress responses. In hydroponic and substrate soilless systems, exogenous root-zone applications at ...
