(IPPM) in Vegetables - Vegetableipmasia.org

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Resource Manual on IPPM in Vegetable World Education Philippines, Inc. PRIMARY ROOT is the first root of a plant to develop in the germinating seed. The primary root develops from the radicle of the embryo. It is also called the taproot. PRODUCER (or aurotroph) is an organism that makes its own food from light energy (using photosynthesis), or chemical energy (using chemosynthesis). Most green plants, many protists (one-celled organisms like slime molds) and most bacteria are producers. Producers are the base of the food chain. PULSE refers to a leguminous plant that produces edible seeds or to the seeds themselves. Some pulses include peas, beans, and lentils. RACHIS is the midrib of a leaf. It is usually continuous with the petiole and is often raised above the lamina (the leaf blade). On a compound leaf, the rachis extends from the first set of leaflets (where the petiole ends) to the end of the leaf. Refer to Figure 17. RADICLE is the lower part of an embryo's axis. The radicle develops into the primary root. RECEPTACLE is the terminal portion of the flower stalk. Figure 17. RETICULATE VENATION A leaf with reticulate venation has its veins arranged in a pattern such that larger veins give rise to progressively smaller veins. The end branches of the veins define small areas called aeroles. RHIZOBIA are bacteria that live symbiotically with plants (especially legumes), living on the plant's roots. The rhizobia fix nitrogen (from atmospheric nitrogen) for the plant and the rhizobia get energy from the plant. Refer to Figure 18. RHIZOME is a horizontal, underground shoot, especially one that forms roots at the nodes to produce new plants. Figure 18. ROOT is a plant structure that obtains food and water from the soil, stores energy, and provides support for the plant. Most roots grow underground. Refer to Figure 8. ROOT CAP is a cap-shaped structure at the ends (tips) of the roots. It covers and protects the apical meristem (the actively growing region) of the root. Refer to Figure 19. ROOT HAIRS are very thin, hair-like roots that are extensions of the root's epidermis. Root hairs have a large surface area and absorb water and minerals for the plant. Refer to Figure 19. Figure 19.
Resource Manual on IPPM in Vegetable World Education Philippines, Inc. ROOT TIP is the tip of the root and contains the root cap and the apical meristem (the actively growing region). Refer to Figure 19. ROGUE means to remove diseased plants from a field. ROTATION is the practice of purposefully alternating crop species grown on the same plot of land. ROW COVERS is any fabric or protective covering placed over rows of plants to protect them from pest damage or harsh climate. RUE LEAF is any leaf produced after the seed leaves (cotyledons). RUNOFF is water that drains or flows from the land into streams and rivers, eventually into seas. The water is generally from rain or snow pack melt. SANITATION is any activity that reduces the spread of pathogen inoculums, such as removal and destruction of infected plant parts, cleaning of tools and field equipment. SECONDARY BLOOM A second production of flowers on a potato plant, occurring at the end of the mainstem of an indeterminate cultivar; secondary bloom may occur on a determinate cultivar at leaf axils along the mainstem. SECONDARY ROOTS is the network of fine roots that develops from the primary roots of a strawberry plant and picks up water and nutrients from the soil; white roots. SEED is the reproductive unit of some plants. SEED COAT also called Testa is the outer, protective layer covering the seed. The seed coat is formed from the two integuments in the developing seed. SEED LEAF is the leaf formed in a seed and present on a seedling at germination; cotyledon. SELF FRUITFUL is the ability to set fruit with pollen from the same flower or tree. SEPAL is one of the outermost flower structures which usually enclose the other flower parts in the bud. Refer to Figure 2. SEED POD is an elongated, two-sided vessel that contains several fertilized seeds. It is a dehiscent fruit or pedicarp - the pod splits open when the seeds are mature. Beans and peas are some plants that have pods. SERRATED LEAVES have a jagged edge. Refer to Figure 20. SESSILE is a leaf without a petiole (a leaf stalk) is sessile. Figure 20.
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Compiled and published by: World Ed
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ACKNOWLEDGM ENT World Education (IN
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1. Leaves 48 2. Flower 49 3. Fruit
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Sources 203 Part XII: Farm Record K
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