核农学报
覈農學報
핵농학보
ACTA AGRICULTURAE NUCLEATAE SINICA
2001年
1期
51-56
,共6页
别之龙%万兆良%张明%朱利泉%张玉进%陈仕江%李泉森
彆之龍%萬兆良%張明%硃利泉%張玉進%陳仕江%李泉森
별지룡%만조량%장명%주리천%장옥진%진사강%리천삼
金钗石斛%光合产物%分配
金釵石斛%光閤產物%分配
금차석곡%광합산물%분배
用14C示踪技术研究了金钗石斛光合产物运转与分配的变化。结果表明,周年光合产物分配的变化与生长中心变化一致,在定植初期光合产物绝大多数都分配到成长叶中,第1次分蘖生长期主要分配到第1次分蘖中,第2次分蘖生长期则主要分配到第2次分蘖中。定植初期的光合产物在生长中期主要输送到第1次的分蘖茎,后期则主要输送到成长茎中 。金钗石斛不同叶位叶片生产的光合产物具有就近运输的特点,各类茎生 产的光合产物亦主要供给自身茎的发育。
用14C示蹤技術研究瞭金釵石斛光閤產物運轉與分配的變化。結果錶明,週年光閤產物分配的變化與生長中心變化一緻,在定植初期光閤產物絕大多數都分配到成長葉中,第1次分蘗生長期主要分配到第1次分蘗中,第2次分蘗生長期則主要分配到第2次分蘗中。定植初期的光閤產物在生長中期主要輸送到第1次的分蘗莖,後期則主要輸送到成長莖中 。金釵石斛不同葉位葉片生產的光閤產物具有就近運輸的特點,各類莖生 產的光閤產物亦主要供給自身莖的髮育。
용14C시종기술연구료금차석곡광합산물운전여분배적변화。결과표명,주년광합산물분배적변화여생장중심변화일치,재정식초기광합산물절대다수도분배도성장협중,제1차분얼생장기주요분배도제1차분얼중,제2차분얼생장기칙주요분배도제2차분얼중。정식초기적광합산물재생장중기주요수송도제1차적분얼경,후기칙주요수송도성장경중 。금차석곡불동협위협편생산적광합산물구유취근운수적특점,각류경생 산적광합산물역주요공급자신경적발육。
The translocation and distribution of photosynthate in dendrobe were studied by using14C.The results showed that the change of distribution of photosynthate was the same as that of growth centre.T he photosynthate was mainly translocated into mature leaf at the stage of transpl anting,the first tillering at the first tillering growth stage,and the second ti llering at the second tillering growth stage,respectively.The photosynthate at transplanting stage was mainly translocated into the first tillering stem at the middle growth stage,mature stem at the late growth stage,respectively.The photos ynthate of different age of leaves was mainly translocated into the nearest part, and the photosynthate of different stem also mainly supplied the growth and development of itself.