Roots Most roots are distributed in the soil layer from 0-50cm in areas with low groundwater levels or sandy soil, the roots can grow very deep (6-8m). However, most roots are concentrated within a range of about 2m from the base. Trunk, canopy Large, strong-growing tree, 10-20m high, with denseContinue Reading
MORPHOLOGICAL CHARACTERISTICS Roots: There are 3 types. Main root: grows up to 2 m deep to absorb water. Secondary roots: grow in clusters at a depth from the topsoil to 40 cm, with the task of absorbing water and nutrients to nourish the plant, and are not resistant to waterlogging.Continue Reading
MORPHOLOGY OF WATERMELON PLANT Seedlings: The cotyledons are well developed, the leaf blade is elongated, the tip is indented, about 20 mm long and 10 mm wide, slightly thick and a prominent main vein. The first leaves grow alternately and simply, carried by a 10-15 mm petiole with fine hairs.Continue Reading
RICE MORPHOLOGY IDENTIFICATION Rice is native to tropical and subtropical regions of Southeast Asia and Africa. Stem: Rice is an annual plant, the stem can be up to 1-1.8 m high, sometimes higher. Leaves: Leaves are thin, narrow (2-2.5 cm) and 50-100 cm long. Flowers: Small rice flowers of self-pollinatingContinue Reading
Cashew is a tropical, perennial tree with large leaves and stems, widely adaptable to different harsh conditions such as drought, heavy rain or poor soil, sandy soil, soil with many stones. The tree can bear fruit after 4-5 years if grown from seeds and 3 years if grown from graftedContinue Reading
PHYSIOLOGY OF CITRUS TREES – Citrus trees are large trees, with an average height of about 3-4 m when mature, with pale yellow bark, sometimes with sap flowing from the cracks of the trunk. Woody trees. – Branches have long, sharp thorns. Leaves have gill-shaped veins, ovate leaves, 11-12 cmContinue Reading
BOTANICAL CHARACTERISTICS OF RUBBER TREES Rubber trees grown in mass production are usually grafted from selected asexual lines to ensure the relativity and uniformity of the garden and stable productivity. Roots: Rubber trees have both taproots and sedge roots, the taproots penetrate deep into the soil. The sedge root systemContinue Reading