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10 September 2000, Volume 29 Issue 03
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Relationship between polyamines and ethylene evolution of cut rose flowers during senescence
YANG Chen-wei, JIANG Yue-ming, HE Sheng-gen
2000, 29(
03
): 1-5.
Abstract
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Relationship between polyamines and ethylene evolution of cut flowers of rose (
Rosa chinenis
cv.Bramine) were investigated during vase-holding period. A slight increase of endogenous Put and a decrease of Spd, Spm and PAs were observed within 2 days while ethylene evolution peak appeared on the third day. MGBG inhibited the synthesis of Spd and Spm and increased the rate of ethylene evolution. The ethylene evolution peak was delayed and the rate of ethylene evolution slowed down when treated with AOA. Moreover, an increase of Spd and Spm of the cut flowers when treated with AOA was observed within 2 days. It is suggested that polyamines in ethylene climacteric-like cut rose flowers competed with ethylene for SAM as precursor in their biosynthetic pathways during senescence.
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Comparison of morphological character and protein electrophoresis between Supernodule soybean and Dongyin-3 soybean
ZHANG Ning, HUANG Wei-nan, YOU Rui-chen
2000, 29(
03
): 6-9.
Abstract
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)
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(140KB) (
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The differences of growing season, morphological characters and protein electrophoresis between Supernodule soybean and Dongyin-3 soybean were compared. The results showed that the growing season, morphological characters and protein electrophoresis of the two varieties varied significantly.
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Studies on the microstructural feature of the pollen and fruit surface of
Mosla
plants grown in Fujian Province
YU Wang, LIN Wen-qun, LIU Jian-qiu, ZHANG Qing-qi
2000, 29(
03
): 10-16.
Abstract
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(3672KB) (
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The pollen and fruit surface of 3 species of
Mosla
plants grown in Fujian Province were observed with stereoscopic microscope and scanning electron microscope. The result showed that the pollen morphology of these species have some similarities while there exists significant interspecific differences in microstructures of fruit surfaces. The microstructure of the fruit surface is an important character in the study of taxonomy of
Mosla
plants.
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Synthesis of color crystal hydrogel-resin by graft copolymerization with acrylic acid and color polyacrylate
LIN Jie, LIU Hong-zhou, YOU Rui-chen, HUANG Yu-huan
2000, 29(
03
): 17-20.
Abstract
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(148KB) (
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Crystal hydrogel-resin was synthesized by graft copolymerization with acrylic acid and color polyacrylate. It was of over 100g (water)/g(resin) the absorption of deionizing water. The color of resin was steady and the resin appeared crystal edge. The effects of initiator, cross-linking agent and assistant on the resin property were studied.
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Effects of calonyctin on growth and differentiation of
Caladium bicolor
callus
CHEN De-hai, CHEN Lin-jiao, XIN Ze-yu, YANG Sheng-chang
2000, 29(
03
): 21-24.
Abstract
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(140KB) (
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Caladium bicolor
callus was cultured on the basic MS media containing calonyctin supplemented with 0.2mg/L NAA and 0.2mg/L 2,4-D. The results showed that 0.2~2.0mg/L calonyctin promoted the growth and differentiation of
Caladium bicolor
callus. After culturing for 2 months, the callus differentiated into plantlets on the medium 0.2~2.0mg/L calonyctin while both control and the callus treated with high concentration of calonyctin (10.0mg/L) did not regenerated plantlets. The results suggested that calonyctin with proper growth regulators has regulatory effects on the growth and differentiation of plant callus.
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Influence of low temperature and light on membrane-lipid peroxidation of
Philodendron
cv.Wend-imbe seedlings
WANG Ying-qiang
2000, 29(
03
): 25-28.
Abstract
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(147KB) (
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Effects of low temperature and light on membrane-lipid peroxidation of Philodendro cv.Wend-imbe seedlings were studied. The differences of damage between low temperature treatments and the control were not significant. The contents of MDA and the activities of CAT and POD and membrane permeability were higher than those of the control, suggesting that the level of the membrane-lipid peroxidation increased with low temperature stress. The membrane permeability, the contents of MDA and the activities of CAT and POD were higher under darkness than that under light at 5℃. The results at 10℃ turned out contrary to that at 5℃.
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Establishment and optimization of tree volume table of
cinnamomum cassia
LIANG Yi-chi, JIANG Xi-dian, CHEN Yi-jian, WU Shi-yong
2000, 29(
03
): 29-33.
Abstract
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Based on the data of 143 sample trees, the single entry tree volume table and duality entry tree volume table were established by selecting volume equations (V=aD
b
and V=aD
b
H
c
) and optimized with the modified simplex method. It is proof that the volume table has practical value in production.
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A survey of freezing injury of fruit trees in Pinghe County,Fujian Province
HUANG Yu-zhong, HUANG Lu-lin, ZHOU Fu-long, HUANG Tian-rui, LIN Lian-cheng, ZHOU Xue-qing
2000, 29(
03
): 34-38.
Abstract
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The meteorological characteristic of Pinghe County was analyzed, when the serious freezing injury occurred in December, 1999. The situation of freezing injury and the factors influencing to tropical and subtropical fruit trees in the whole county were investigated and the management measures was put forward.
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Structure characteristics of
Taxus chinensis
var.
mairei
community
LUO Wen-xun
2000, 29(
03
): 39-42.
Abstract
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(146KB) (
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Based on investigating the natural community of
Taxus chinensis
var.
mairei
in Chenda town, Sanming, Fujian, the importance values of 11 main tree species were measured and the structure and dynamics were analyzed. The results showed that the natural community is dominated by
Taxus chinensis
var.
mairei
. The community is relatively stable and in a vigorous growth period.
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Seeds sowing and raising seedlings techniques for Cacti
WANG Cheng-cong
2000, 29(
03
): 43-46.
Abstract
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)
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(150KB) (
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Most of the Cacti seeds are imported from abroad and hard to get the seed source. The quantity of the seeds which can go into seedlings not only depends on the quality of the seeds but also on water, fertilizer, light, temperature, soil formulation, seeds disinfection, diseases and pest control, etc.
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A preliminary study on the treatment of compound
Herba anoectochili
capsule on diabetes Ⅱ
XU Wen-jiang, CHEN Yu, HUANG Zi-qiang, YANG Shu-yu, CHEN Jin-yi
2000, 29(
03
): 47-49.
Abstract
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)
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(117KB) (
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Clinical trials revealed a significant therapeutic effect of compound
Herba anoectochili
capsule on diabetes Ⅱ.
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Tissue culture of
Clivia minate
LIU Fu-ping, LIN Li-xian, ZHENG Ming-qiong, ZOU Xiao-lu
2000, 29(
03
): 50-51.
Abstract
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(91KB) (
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Retrospect to and ponder over the research work concerning plant introduction and acclimatization in Zhejiang Province
ZHANG Jun-qi, LI Lin
2000, 29(
03
): 52-57.
Abstract
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(203KB) (
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Plant introduction and acclimatization is a traditional breeding way to enrich the plant resources. The Institute of Subtropical Crops, Zhejiang Academy of Agricultural Sciences, retrospect to the research work of plant introduction and acclimatization in Zhejiang Province and analyses the research outcome of plant introduction in Wenzhou to represent the academic progress of modern plant introduction and acclimatization techniques in Zhejiang Province. Some problems on the plant introduction and acclimatization are also discussed.
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A review of development and utilization of
Ginkgo biloba
ZENG Xin-ping, HUANG Zhi-ming, HUANG Wei-nan, ZHENG Xiao-qian
2000, 29(
03
): 58-63.
Abstract
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(203KB) (
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The development and utilization of
Ginkgo biloba
in China, including its leaves, episperm, kernel, timber and tissue culture are reviewed.
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A review of advances in the study of postharvest physiology and technology of storage and transport of litchi fruit
JIANG Yue-ming, FU Jia-rui
2000, 29(
03
): 64-70.
Abstract
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(225KB) (
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Litchi is one of the fruits which are the most difficult to be stored in the world. Litchi fruit browns and rots rapidly once harvested. With rapid development of litchi production, the postharvest physiology and technology of storage and transport of litchi fruit have been studied in recent years. The advances in these studies are reviewed in this paper.
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