A disease can only occur when a virulent pathogen contacts a susceptible host under favourable environmental conditions. The incidence and severity of a disease reflects the occurence of these three factors.

SOILpak is a soil management manual for cotton growing on cracking clays. It leads you through the decision-making process to a number of options. The manual presents options rather than hard-and-fast rules.

Over the last two growing seasons, sampling studies have been conducted to compare the distribution and abundance of Heliothis on different cotton varieties and to test the validity of the SIRA TAC equations which exp

It is already well established that sprays containing the ultra-safe pesticide azadirachtin are very effective in reducing egg-laying Heliothis spp. in cotton in the field

Mycorrhizas are symbiotic associations between the roots of plants and fungi. They come into existence when the plant's root system becomes infected with an appropriate fungus.