华北农学报
華北農學報
화북농학보
ACTA AGRICULTURAE BOREALI-SINICA
2014年
6期
183-188
,共6页
姜凤超%王玉柱%孙浩元%杨丽%张俊环%马履一
薑鳳超%王玉柱%孫浩元%楊麗%張俊環%馬履一
강봉초%왕옥주%손호원%양려%장준배%마리일
可溶性糖%有机酸%果肉细胞%土壤水分%桃%分布规律
可溶性糖%有機痠%果肉細胞%土壤水分%桃%分佈規律
가용성당%유궤산%과육세포%토양수분%도%분포규률
Soluble sugar%Organic acid%Pulp cells%Soil moisture%Peach%Distribution
为研究不同水分对桃果实细胞内糖酸分布的影响,以成熟白凤桃果实为试验材料,研究了2个土壤水分水平( W1:田间持水量的60%~70%,W2:田间持水量的75%~85%)对果肉细胞内可溶性糖(蔗糖、葡萄糖、果糖和山梨醇)和有机酸(苹果酸、柠檬酸、奎宁酸和莽草酸)在液泡、细胞质与细胞间隙中含量的影响。结果表明, W1处理桃果实液泡、细胞质和细胞间隙中可溶性糖分别为39.47,16.73,13.03 mg/g,有机酸分别为4.38,3.15,0.69 mg/g,而在W2处理中可溶性糖分别为35.63,16.11,13.33 mg/g,有机酸分别为4.00,3.27,0.65 mg/g,表明增加水分供应可降低液泡中可溶性糖与有机酸含量。各种糖、酸组分透过细胞膜的渗透速率均高于液泡膜,随着土壤水分含量升高果实中糖、酸通过细胞膜与液泡膜的渗透速率有所降低。
為研究不同水分對桃果實細胞內糖痠分佈的影響,以成熟白鳳桃果實為試驗材料,研究瞭2箇土壤水分水平( W1:田間持水量的60%~70%,W2:田間持水量的75%~85%)對果肉細胞內可溶性糖(蔗糖、葡萄糖、果糖和山梨醇)和有機痠(蘋果痠、檸檬痠、奎寧痠和莽草痠)在液泡、細胞質與細胞間隙中含量的影響。結果錶明, W1處理桃果實液泡、細胞質和細胞間隙中可溶性糖分彆為39.47,16.73,13.03 mg/g,有機痠分彆為4.38,3.15,0.69 mg/g,而在W2處理中可溶性糖分彆為35.63,16.11,13.33 mg/g,有機痠分彆為4.00,3.27,0.65 mg/g,錶明增加水分供應可降低液泡中可溶性糖與有機痠含量。各種糖、痠組分透過細胞膜的滲透速率均高于液泡膜,隨著土壤水分含量升高果實中糖、痠通過細胞膜與液泡膜的滲透速率有所降低。
위연구불동수분대도과실세포내당산분포적영향,이성숙백봉도과실위시험재료,연구료2개토양수분수평( W1:전간지수량적60%~70%,W2:전간지수량적75%~85%)대과육세포내가용성당(자당、포도당、과당화산리순)화유궤산(평과산、저몽산、규저산화망초산)재액포、세포질여세포간극중함량적영향。결과표명, W1처리도과실액포、세포질화세포간극중가용성당분별위39.47,16.73,13.03 mg/g,유궤산분별위4.38,3.15,0.69 mg/g,이재W2처리중가용성당분별위35.63,16.11,13.33 mg/g,유궤산분별위4.00,3.27,0.65 mg/g,표명증가수분공응가강저액포중가용성당여유궤산함량。각충당、산조분투과세포막적삼투속솔균고우액포막,수착토양수분함량승고과실중당、산통과세포막여액포막적삼투속솔유소강저。
The aim of the present work was to evaluate the distribution and concentrations of sugars( sucrose, glucose,fructose and sorbitol ) and acids ( malate, citrate, quinate and shikimate ) in vacuole, cytoplasm, and free space in peach fruits under two treatments( W1:field capacity of 60% -70%,W2:field capacity of 75% -85%) . The results showed that sugars and acids in vacuole,cytoplasm and free space were 39. 47,16. 73,13. 03 mg/g,and 4. 38,3. 15,0. 69 mg/g,respectively,in W1 treatment,and 35. 63,16. 11,13. 33 mg/g,and 4. 00,3. 27,0. 65 mg/g, respectively,in W2 treatment,which indicated that increasing water supply can reduce soluble sugar and organic acid content in vacuole. The permeation rate of sugars and acids through the cell membrane was higher than the vac-uolar membrane. With the increase of soil water content,the permeability of sugars and acids in the fruits through the cell membrane and the vacuole membrane was decreased.