2. Sectional pieces are round, not segmented and is covered by a cuticle that is secreted by the hy

In general, the life cycle of plant parasitic nematodes were almost the same. The eggs hatch into larvae that form and structure similar to adults. The larvae develop in the skin make the turn at the end of each phase. All types of nematodes has four larval phase, this phase is very active nematodes infect roots. At the turn of the last skin then can be male or female nematode species. Male nematodes characterized by specula. While the female nematodes nabard have vulva and can produce fertile eggs after mating with the nematode male holding or by parthenogenesis. If conditions are favorable for the life cycle of life can reach 3-4 weeks.
1. Having digestive tract and body cavity, the body cavity lined by a cell membrane so-called speudosel or psedoseloma.
2. Sectional pieces are round, not segmented and is covered by a cuticle that is secreted by the hypodermis layer (the layer of cells that exist underneath). Nametoda size is very small and can not be seen with the naked eye. To see him with a microscope. Looks like a form of nematode worms with a tapered tip and base. With a very small size nematodes were able to penetrate the plant tissue. Then infects the larvae of pests inside the plant stem. Symptoms of nematode attack on plants are divided into two groups: nabard
Nematode attack on plants grown titi, sometimes not until the cause of plant death and still allow the stems, leaves, or other structures may evolve. However, the development of these organs is not perfect causing the contraction or twisting. nabard
Seeds of herbaceous nabard plants or seeds are attacked by larvae anguina. After the flower is formed, which has grown nematodes perfect start to enter and attack it until menatoda nabard adult section. This is where the nematodes nabard multiply. As a result of primordial interest to form a knot that contains a large number of nematode larvae. Nematodes are able to live on cuup long time.
These symptoms appear when a root knot nematode infected plants. There are several types that cause root knot nematode, which Naccobus and Ditylehus radicicola. Both are formed root knot nematode medicinal plants, nabard barley and other grass types.
Nematodes that enter the plant causing injury. The injury initially caused by nematodes Cucukan, but more severe damage happens next may be caused by other organisms incoming attacks as secondary pests.
Nematodes that eat the roots of plants from the outside, it may cause the death of the cells contained in the tissue surface. Circumstances then cause a color change in the section. If the population nemaroda that attack may result in the death of epidermal cells, so that the roots are still young will change color to yellowish menjaid brownish. nabard
b. "Coarse roof", ie when the lateral root growth stalled, some of which are short-sized, larger main root system and not found many small roots.
c. "Curly tip", ie injuries that occur on the side near the tip of the root, which might inhibit the growth and elongation of the roots on the side. As a result, the roots will be twisted. These symptoms arise due to nematode attack Xiphinema (dagger nematodes).
From neem seeds and leaves we can make an organic pesticide for the pest menggendalikan. Neem seeds and leaves contain the active ingredient azadirachtin, salanin, nimbinen and meliantriol. Pesticide plant produced from the leaves of neem is very effective to control caterpillar pests, sucking pests and root knot nematodes. Besides neem also serves to control the disease caused by the fungus Fusarium and Sclerotium and bacteria.
Pesticide manufacturing plant engineering way of neem seeds are as follows: Mash until smooth 200-300 gr Soak neem seeds in 10 liters of water during the overnight Filter the solution with a cloth ready solution sprayed on crops
1. 100 grams of finely ground neem seeds and stirred with 20 cc of alcohol. Diluted with 2 liters of water. Endapkan for 24 hours. Dilute pesticides on the ratio of 1 liter to 14 liters of water pesticides (1 tank spray) Spray on stems and leaves nabard of rice plants there hamanya. Pour the pesticide on the base of the stem nematode affected plants.
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