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dry rubber tree
相关语句
  相似匹配句对
     dry.
     dry.
短句来源
     (g(dry membrane) )?
     (g(干膜))?
短句来源
     Machanisms of Wear of Metal by Rubber under Dry Friction Condition
     干摩擦条件下丁腈橡胶磨损金属的机理
     BUOYANCY METHOD FOR THE DETERMINATION OF DRY RUBBER CONTENT IN FIELD LATEX
     浮力法测定橡胶胶乳中的干胶含量
短句来源
     Rubber Wear
     橡胶的磨耗
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A comparison was made of peroxidase isozyme patterns between dry rubber trees and healthy rubber trees of clone GT1. It was observed that the activity of peroxidase isozyme in the region, with a quickly migrating rate in bark or latex of dry trees was much stronger than that of healthy trees, while other bands of isozyme showed no significant difference. The difference of peroxidase isozyme of latex between dry trees and healthy trees of clone RRIM600 was...

A comparison was made of peroxidase isozyme patterns between dry rubber trees and healthy rubber trees of clone GT1. It was observed that the activity of peroxidase isozyme in the region, with a quickly migrating rate in bark or latex of dry trees was much stronger than that of healthy trees, while other bands of isozyme showed no significant difference. The difference of peroxidase isozyme of latex between dry trees and healthy trees of clone RRIM600 was more significant. In the latex of dry trees there were three isoperoxidase bands which are wider, and quick and deep staining, indicating a stronger activity, while in the latex of healthy trees there were only two isoperoxidase bands with a very weak activity. The activity of peroxidase was very strong in the dry part of the bark, less strong in the transition part, and fairly weak in the adjacent healthy bark, indicating a trend that the nearer to the dry part, the stronger the activity of enzyme will be. The inucement of dryness and the activity of peroxidase seemed synchronous. Determination results of RRIM600 was similar to that of GT1, which corresponded with the eleetrophoresis results of isoperoxidase. The activity of superoxide dismutase(SOD) was weaker in dry bark than in healthy bark. 6—8 SOD bands could be separated from the latex of healthy bark of RRIM600, but only 4—5 bands from the latex of dry bark with rather weak activities, indicating a deficiency of some isozyme bands. It is suggested that dryness of the rubber tree was a wound response for self defence.

比较了无性系GT1正常树与死皮树的过氧化物酶同工酶谱,看到死皮树无论是树皮或胶乳,其过氧化物酶同工酶快带部分的活性都比正常树高得多,其余谱带差异不明显。无性系RRIM600死皮树与正常树的胶乳过氧化物酶同工酶的差异很明显,死皮树有3条谱带,酶谱带宽,显色快,染色深,表明活性较高,而正常树只有2条,活性很弱。GT1死皮病灶部位的树皮过氧化物酶活性特别高,过渡区其次,健康皮较弱,显示出距离病灶愈近,酶活性愈高的趋势,似乎死皮的诱发与过氧化物酶活性的诱导是同步发生、发展的。RRIM600的结果与GT1一样。此测定结果与同工酶电泳结果相符。死皮病灶的超氧化物歧化酶(SOD)活性比健康树皮低。RRIM600健康树皮的胶乳可分离出6~8条SOD酶带,死皮树皮的胶乳只分离出4~5条,而且活性减弱,显示出某些同工酶带缺失。本文还认为橡胶树死皮是一种自卫性的愈伤反应。

 
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