Malus: A plant genus in the family ROSACEAE, order Rosales, subclass Rosidae. It is best known as a source of the edible fruit (apple) and is cultivated in temperate climates worldwide.Rosales: An order of the ANGIOSPERMS, subclass Rosidae. Its members include some of the most known ornamental and edible plants of temperate zones including roses, apples, cherries, and peaches.Fruit: The fleshy or dry ripened ovary of a plant, enclosing the seed or seeds.Pyrus: A plant genus of the family ROSACEAE known for the edible fruit.Erwinia amylovora: A species of gram-negative bacteria, in the genus ERWINIA, causing a necrotic disease of plants.Rosaceae: The rose plant family in the order ROSALES and class Magnoliopsida. They are generally woody plants. A number of the species of this family contain cyanogenic compounds.Germ Cells, Plant: The reproductive cells of plants.Prunus: A plant genus in the family ROSACEAE, order Rosales, subclass Rosidae. It is best known as a source of edible fruits such as apricot, plum, peach, cherry, and almond.Fragaria: A plant genus of the family ROSACEAE known for the edible fruit.Plant Shoots: New immature growth of a plant including stem, leaves, tips of branches, and SEEDLINGS.Gene Expression Regulation, Plant: Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in plants.Endo-1,3(4)-beta-Glucanase: An endocellulase with specificity for the hydrolysis of 1,3- or 1,4-linkages in beta-D-glucans. This enzyme specifically acts on sites where reducing glucose residues are substituted at the 3 position.Plant Proteins: Proteins found in plants (flowers, herbs, shrubs, trees, etc.). The concept does not include proteins found in vegetables for which VEGETABLE PROTEINS is available.