Product Description
High Quality Content by WIKIPEDIA articles! Sunflowers (Helianthus annuus) are annual plants native to the Americas, that possess a large inflorescence (flowering head). What is usually called the flower is actually a head (formally composite flower) of numerous florets (small flowers) crowded together. The outer florets are the sterile ray florets and can be yellow, maroon, orange, or other colors. The florets inside the circular head are called disc florets, which… More >>
Field Manual of Techniques in
Breeding for Disease Resistance
Integrated Pest and Disease Management
Pseudomonas syringae Pathovars and