Selasa, 05 Juli 2011

The impact of the lack of requirements for climate on rice pollination process

Rice is one crop terpentinng in civilization. Which 60% of the world is currently producing rice, 80% of them are in Asia (Indonesia and India). That's because the consumption of Asians reached 400 puonds or 200kg per year per orangya. From the great level of consumption that is pushing Indonesia as one of the country rice producers. In addition to the high level of consumption of moist soil conditions Indonesia is also a supporter of Indonesia as a producer.Plants that are rooted fibers, rods are very short, perfect leaves with lanceolate shape, with compound interest tersusunn disebu florets with fruit and grain type. Rice breeding (reproduction) by generative (sexual) by the process of pollination to the flowers.Rice is a crop pollinating themselves (self-pollination), because in one flower has pollen (benangsari) and stigma (the stigma).Determining a rice flower pollination, the zygote and embryo and endosperm and seed, then it becomes an important issue if disturbed. One inhibitor of the pollination problem is the climate.One factor that inhibits the climate problem is rain and wind pollination.Wind dalah one of the most important factor in the process of pollination. Because wind is a natural factor as a tool thresher pollen (pollen). Where the wind does not exist then the pollen would be difficult to fall on the pistil (stigma). If the wind is too large then the pollen will fly everywhere, and will not fall on the pistil. Then it winds greatly affect pollination. Besides climatic factors affecting pollination is the rain.Rain is one of the factors that affect pollination. Where if it rains during menggraombol (flower opening) and stamens (pollen) appears then pollination will be disturbed. Because when it rains and the anthers and stamens fall mixed water then benangsari adhesive power is reduced on the stigma due to the steam (petals) filled with water. When the torrential rain it will be much interest paddy benangsarinya lose adhesion, if it happens then a lot of fruit will not form fruit or empty (in the Java language gabuk) / fail pollination. Because a lot of rice gabuk then yields less than the maximum

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