Published June 1994
by Diane Pub Co .
Written in English
|The Physical Object|
Seed producers and seed-related industries or agencies have informational needs concerning plant diseases that are not met by existing reference books. This publication provides a database on all diseases of maize, caused by fungi, . Maize (Zea mays L.) is a host to numerous pathogenic species that impose serious diseases to its ear and foliage, negatively affecting the yield and the quality of the maize crop.A considerable amount of research has been carried out to elucidate mechanisms of maize-pathogen interactions with a major goal to identify defense-associated by: Common Maize Diseases, Symptoms And Treatment. Silks are the long threads at the tips of maize ears onto which pollen land and sperm nuclei travel long distances to fertilize egg cells, giving rise to embryos and seeds; however fungal pathogens also use this route to invade developing grain, causing damaging ear rots with dangerous mycotoxins. This review highlights the importance of silks as the direct highways by which .
pathogens movement along with maize grains/seeds into new territories and As there is an increased demand for the export of maize from India and maize seed borne fungal pathogens are concern of testing methods. Hence, maize seeds . Good tolerance to common maize diseases in Zimbabwe; SC Medium maturity white maize hybrid ( days to reach physiological maturity) Widely adapted and stable variety across diverse environments with yield potential of above 10 t/ha under good management. Excellent tolerance to major maize diseases in Zimbabwe. Management-Seed Producer" Plant pathogen free seed in seed production field indexed for pathogen (culture, visual, ELISA, PCR) "Amount of seed tested determined by allowable threshold- need better research Hot water treatment Fungicide treatment Other treatment-essential oils, biologicals. Seed borne pathogens causes diseases at various stages of crop growth from germination of seed up to crop maturity and heavy losses have been observed, caused by seed borne pathogen in various crops. Seed borne pathogens causes seed and seedling rots, i.e. pre- and post- emergence losses, diseases at various stages of crop growth like root rot.
The most effective method for controlling seed-borne diseases is via seed health testing and certification (Thomas et al., ), which thus forms an important element of seed quality control. Traditional testing methods involve lengthy pathogen isolation and infection processes and do not allow effective management of seed treatments. Seed-borne infection of maize (Zea mays L.) by fungal pathogens was studied using 22 seed samples of maize collected from different locations in Burkina moist blotter test was used to detect fungi on seeds. Experiment was also performed on seedlings raised from naturally infected maize seed samples in order to evaluate the transmission of fungi from seeds to . Cochliobolus carbonum and Cochliobolus heterostrophus cause two fungal diseases in maize, and the seeds infected by these pathogens serve as the primary infectious agents (Shurtleff, ). Therefore, it is necessary to periodically check whether the maize itself is infected in order to effectively block the fungal disease and to secure healthy. Maize (Zea mays L.) is the leading grain in the world with an annual production of more than 1 billion tons in , and it constitutes staple foods for large groups of people in Latin America, Africa, and production has increased the most because of its greater adaptation to different ecological systems and strong demand for bioethanol and animal feed and for the .