Biological agents provide economical and relatively non-polluting delivery systems for protective materials compared to other chemical methods and biocontrol measures against plant pathogens are widely recognised as a step towards ecofriendly farming. The present investigation carried out to know the interactions of Trichoderma spp. with Alternaria macrospora causing leaf spot of cotton. | Study of antagonistic capabilities of trichoderma spp. against alternaria macrospora zimm. causing leaf spot in cotton
