Rabu, 29 Agustus 2012

Apical Dominance

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DOMINANSI APIKAL




Di dalam pertumbuhan tanaman terdapat adanya dominansi pertumbuhan dibagian apeksatau ujung organ, yang disebut sebagian dominansi apikal. Dominansi apikal diartikan sebagai persaingan antara tunas pucuk dengan tunas lateral dalam hal pertumbuhan. Sedangkan menurutChambell dominansi apikal merupakan konsentrasi pertumbuhan pada ujung tunas tumbuhan, dimana kuncup terminal secara parsial menghambat pertumbuhan kuncup aksilar.

Dominansi apikal atau dominansi pucuk biasanya menandai pertumbuhan
vegetatif tanaman yaitu pertumbuhan akar, batang dan daun. Dominansi apikal setidaknya berpengaruhdalam menghambat pertumbuhan lateral. Selama masih ada tunas pucuk, pertumbuhan tunaslateral akan terhambat sampai jarak tertentu dari pucuk. Dominasi pucuk dapat dikurangi denganmemotong bagian pucuk tumbuhan yang akan mendorong pertumbuhan tunas lateral.

berikut adalah beberapa tanaman yang bersominansi apikal

 


(Indonesian Version)



 
APICAL DOMINANCE


In the growth of plants are growing dominance of the apex or end organ section, called partial apical dominance. Apical dominance is defined as the competition between the lateral shoots shoots shoots in terms of growth. Meanwhile, according Chambell apical dominance is the concentration at the end of shoot growth in plants, where the terminal bud partially inhibits bud growth aksilar.
          Apical dominance or dominance usually marked growth
vegetative growth of plant roots, stems and leaves. Apical dominance least effect in inhibiting the growth of lateral. As long as there bud bud, lateral bud growth will be hampered to a certain distance from the top. The dominance of shoots can be reduced by cutting the shoots of plants that will encourage the growth of lateral shoots.

 
Here is a plant that had apical dominance

 

 (English Version)
 

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