knot nematode的意思|示意

Peanut root knot nematode is one of three most important plant nematode diseases nowadays.

花生根结线虫病是我国目前三大植物线虫病之一。

Field experiments were conducted with 6 selected nematicides for pepper root - knot nematode.

研究选用了6种常用杀线剂对胡椒根结线虫病进行了田间药效试验。

Owing to the root-knot nematode is so small, can not be cultured, has a long generation, it is difficult to do research in vitro in interaction with the host.

由于根结线虫体积小，不能人工培养，世代长等难于进行体外与宿主的相互作用方面的研究，进展一直很缓慢。

The nematodes that limit sweetpotato production are sweetpotato root-knot and rot-knot nematode. The intergrated methods are used to control the disease in sweetpotato production.

甘薯生产上主要采用综合防治方法进行防治，其中选育抗病品种最为经济有效。

The disease indices of tomato root knot nematode was the highest while the soil water percentage was 8.98% and then decrease while the soil water percentage was higher than 26.27%.

土壤含水量为8.98％番茄根结线虫病病情最重，土壤含水量高于26.27％，番茄感染根结线虫病病情较轻。

Those diseases which had been formerly found but not identified in detail, such as tobacco Blank death, Black root rot, Wild fire, Angular spot and root-knot nematode were studied more thoroughly.

对过去虽有发现，但无详细鉴定的烟草低头黑病、烟草根黑腐病、烟草野火病、烟草角斑病、烟草根结线虫病等进行了研究。