Abstract Plant resistance to pests and diseases help avoid, tolerate or recover from an injury that would cause greater damage plants of the same species under similar environmental conditions. In coconut, resistant traits are generally acquired against in conventional breeding programs indirectly through application nutrients. The paper provides a list existing tolerant coconut varieties repor...

Fungal diseases have always been a major problem for tomato crops. Growers generally use chemical fungicides to treat this type of diseases. However, these products are toxic the environment and consumer, especially if pre-harvest interval is not respected. The present study aims find non-polluting alternatives. Five plant extracts ( Peganum harmala, Ocimum basilicum, Caralluma europaea, Nerium...