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Çѱ¹ÀܵðÇÐȸ / v.6, no.2, 1992³â, pp.545-553
±¤È¯°æÀÌ Àܵð(Zoysia japonica)ÀÇ ¹°Áú»ý»ê°ú »ýÀå¿¡ ¹ÌÄ¡´Â ¿µÇâ II. Â÷±¤À²ÀÌ ÀܵðÀÇ ¹°Áú»ý»ê°ú ¼ºÀåÇØ¼®¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects on Dry Matter Production and Growth of Zoysia japonica under the Light Environment II. Effect of Dry Matter Production and Growth Construction of Zoysia japonica on a Shade Rate )
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Àܵð(Zoysia japonica)ÀÇ 1Â÷ »ý»ê¼º°ú ±¤Á¶°Ç°ú »óÈ£ÀÛ¿ëÀ» Æò°¡ÇÏ°í »ý¸®»ýÅÂÇÐÀûÀΠƯ¼ºÀ» ±Ô¸íÇϱâ À§ÇÏ¿© Â÷±¤À» Á¶ÀýÇÑ »óÅ¿¡¼­ Àΰø±º¶ôÀÇ ¹°Áú»ý»ê°ú ¼ºÀåÇØ¼®¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. ±× °á°úÀÇ ¿ä¾àÀº ´ÙÀ½°ú °°ÀÌ ÇÏ¿´´Ù. 1. RGRÀº °¢ ½ÃÇ豸 °øÈ÷ À̽ÄÈÄ 20Àϰæ±îÁöÀÇ »ýÀå°úÁ¤¿¡¼­ ³ô°Ô ³ªÅ¸³ª°í ÀÌÈÄ »ýÀåÀÌ ÁøÇàµÊ¿¡ µû¶ó ³·¾ÆÁö´Â °æÇâÀ» º¸¿´´Ù. Â÷±¤À²ÀÌ ³ô°í ±¤Á¶»ç ½Ã°£ÀÌ ÂªÀ»¼ö·Ï À̽ÄÈÄ Ãʱâ»ýÀåºÎÅÍ ÇöÀúÈ÷ ³·Àº Ä¡¸¦ º¸¿´´Ù. 2. NARÀº À̽ÄÈÄ Ãʱâ»ýÀå°úÁ¤¿¡¼­ ³ôÀºÄ¡¸¦ º¸¿´°í ÀÌÈÄ »ýÀåÀÌ ÁøÇàµÊ¿¡ µû¶ó ³·Àº Ä¡¸¦ ³ªÅ¸³»¾úÀ¸¸ç Â÷±¤À²ÀÌ ³ô°í ±¤Á¶»ç ½Ã°£ÀÌ ÂªÀ»¼ö·Ï ÇöÀúÈ÷ ³·Àº Ä¡¸¦ º¸¿´´Ù. 3. LARÀº Control±¸¿Í 30% Â÷±¤±¸¿¡¼­ À̽ÄÈÄ Ãʱâ»ýÀå°úÁ¤¿¡¼­ Áõ°¡À²ÀÌ ³ô°Ô ³ªÅ¸³µÀ¸³ª 50% ¹× 70% Â÷±¤¿¡¼­´Â À̽ÄÈÄ 40ÀÏ ÀÌÈĺÎÅÍ ³ô°Ô ³ªÅ¸³ª´Â °æÇâÀ» º¸¿´´Ù. LARÀº RGR¿¡ ´ëÇÏ¿© ¿ªÀÇ »ó°ü°ü°è¸¦ ³ªÅ¸³»¾ú´Ù. 4. CGRÀº °¢ °øÈ÷ À̽ÄÈÄ 50ÀϱîÁö´Â »ýÀåÀÌ ³·¾ÆÁö´Â °æÇâÀ» º¸¿´´Ù. LAI¿Í´Â Á¤ÀÇ »ó°üÀ» ³ªÅ¸³»¾ú°í ÃÖÀû¿±¸éÀû Áö¼ö´Â Control±¸¿Í 30%, 50% ¹× 70% Â÷±¤±¸¿¡¼­ °¢°¢ 2.10, 1.75, 1.25, 0.90À¸·Î ³ªÅ¸³µ´Ù.
This study was designed to estimate on the interaction of the first productivity, light condition and to examine the ecophysiological 'characteristics of Zoysia japonica. Artificial community of Zoysia japonica was analyzed effect of matter production and growth construction under various shading condition. The results summarized this experiment were as follows ; 1. The relative growth rate(RGR) in all experimental plots was high during the growth stage of 20 days after transplanting and then tend to decrease. RGR value in severe shading or short day condition was remarkably decreased from the early growth stage. 2. The net assimilation rate(NAR) was high during the early growth stage after transplanting. and then decreased the growth proceeded. NAR value in the severe shading or short day condition plots was low. 3. The increasing rate of leaf ared ratio(LAR) was high during the early growth stage after transplanting in the control plot and 30% shading plot, but it appeared to be high 40 days after transplanting in the 50% and 70% shading plot. LAR was appeared to be negative correlation against RGR and NAR. 4. The crop growth rate(CGR) in each experimental plot was increased until 50 days after transplanting, and then decreased. After that time, the maximum CGR value appeared in the control plot(1.56g /g, 10days), 60days after transplanting. CGR had positive correlation with LAI. The optimum LAI in the control, 30%, 50%, and 70% shading plots was appeared as 2.10, 1.75, 1.25, and 0.90.
 
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Çѱ¹ÀܵðÇÐȸÁö / v.6, no.2, 1992³â, pp.545-553
Çѱ¹ÀܵðÇÐȸ
ISSN : 1229-3253
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199211922436109)
¾ð¾î : Çѱ¹¾î
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