小麦锈病通过风扩散其无数的孢子。
小麦锈病是一种真菌传染病。
小麦锈病惊人的扩散速度使快速的遏制措施难以实现。
The astonishing spread of wheat rust makes quick containment impossible.
当好运用完的时候，小麦锈病能够摧毁感染地区的所有农作物。
When the good luck runsout, stem rust can destroy the entire harvest in an infected area.
这类的进步暗示小麦锈病的扫荡是能够被阻止的，尽管要付出代价。
Advances like thesesuggest the march of wheat rust can be halted, though at a cost.
迄今为止，小麦锈病并未造成科学家们所害怕的那种大灾难。
So far, wheat rust has not caused the disaster that scientists fear.
去年逝世的伟大的美国农学家诺曼·博劳格进行了对于小麦锈病的最初研究。
Norman Borlaug, the greatAmerican agronomist who died last year, conducted his original research intowheat rust.
去年逝世的伟大的美国农学家诺曼·博劳格进行了对于小麦锈病的最初研究。
Norman Borlaug, the great American agronomist who died last year, conducted his original research into wheat rust.
六月，科学家宣称：在北非已经发现了小麦锈病的两种新变异病菌，使得这一重要粮产地遭受重创。
It is now camped at the gates of one of the world’s breadbaskets, Punjab. In June scientists announced the discovery of two new strains in South Africa, the most important food producer yet infected.
南非是迄今为止被传染的地方中最重要的食品供应地，六月，科学家宣布在南非发现两种新类别的小麦锈病。
In June scientists announced the discovery of two new strains in SouthAfrica, the most important food producer yet infected.
小麦锈病悄无声息却风驰电掣般的以每十年5000英里的速度传播着，现在已经在一个世界谷物主要产地旁遮普的大门口安营扎寨了。
Wheat rust has spread silently and speedily by 5,000 miles ina decade. It is now camped at the gates of one of the world's breadbaskets, Punjab.
当地的农民对小麦计划怀有敌意，因为1939年至1941年间小麦由于茎锈病而严重减产。
Native farmers were hostile towards the wheat programme because of serious crop losses from 1939 to 1941 due to stem rust.
另外，研究者也破解了条纹锈病菌快速克服小麦抗性之谜。
Separately, researchershave cracked the mystery of how stripe rust is able to overcome resistance inwheat so quickly.
若没有Borlaug的抗锈病小麦，数百万以上的人可能会营养不良。
Without Borlaug’s rust-resisting wheat, millions more people might have been malnourished.
非常幸运的是Sr31还增加了小麦产量(并不仅仅是因为植物不受锈病的影响)。
By wonderful good fortune, Sr31 also boosted yields (and not only because plants were impervious to rust).
例如，一种新的抗锈病小麦品种可能有很大的减轻贫困和饥饿的潜力。
A new rust-resistant wheat variety, for example, may have great potential for reducing poverty and hunger.
来自小麦条锈病的更严重威胁使事态更加恶化。
To make matters worse, the threat from stripe rust (Puccinia striiformis) has also been worsening.
谷物锈病是二十世纪上半叶最为可怕的小麦疾病，在一次流行当中曾美国损失了其收成的近五分之一。
It was the worst wheat disease of the first half of the 20th century, killing about a fifth of America's harvest in periodic epidemics.
所以锈病如果在大片小麦种植地区全面爆发将会是灾难性的。
A full-blown epidemic in a big wheat-growing area could therefore be catastrophic.
小麦条锈病是影响小麦生产的最重要的病害之一。
合理使用抗病品种是防治小麦条锈病的经济有效措施。
The current strategy for management of wheat stripe rust is use of resistant cultivars.
选用专化抗性品种人为地单一扩大其种植面积以防治小麦条锈病，将迅速导致品种的专化抗性失效。
A special resistance cultivar grown and spread solely in a certain area to control wheat stripe rust will cause the original resistance invalidation rapidly.
利用抗病品种是防治小麦条锈病最好的途径。
The best way to control wheat yellow rust is to breed and use resistant cultivars.
利用抗病品种是防治小麦条锈病最好的途径。
The best way to control wheat yellow rust is to breed and use resistant cultivars.
应用推荐