root-knot nematode

It is high resistant to ToMV and leaf mold, resistant to CMV and Verticillium wilt and mid-resistant to root-knot nematode.

高抗叶霉病和ToMV，抗黄萎病和CMV，中抗南方根结线虫。

Resistant and susceptible varieties of soybean were planted continuously in different types of soil and the number of cyst nematode in the root system was counted.

研究了在不同土壤类型条件下连种抗病品种和感病品种后，大豆孢囊线虫数量变化。

The commodity rate and single fruit weight in Pearl grara ( Psidium guajara) could reach 80% and over 200g of single-fruit-weight, respectively with two time of short-lopping per year to control root nematode and to cover the fruits by packet during their growth.

珍珠番石榴采取一年两次短截，彻底防治根线虫，适时套袋保果等技术措施，商品果率高达80%，平均果重200g以上。

Leaf Mold and Root-knot Nematode is: Root-knot Nematode is inoculated at 2 true leaf, water into the soil, 5 000 nematodes/ plant, investigate the disease after 50 days;

结果表明，番茄苗期TMV、叶霉病、根结线虫病的最佳复合鉴定方法是，在2片真叶接种根结线虫，采用灌根法，接种浓度5000条/株，接种后50d调查病情；

The results in pot experiments showed that the leaf of caster oil plant, wheat chaff, the leaf of chinaberry and peanut cake have a significant control effect on root-knot nematode, reaching 70.44% 、 68.17% 、 56.09% and 54.92%, respectively.

盆栽试验结果表明：蓖麻叶、麦糠、楝叶和花生饼粕对黄瓜根结线虫病防治效果较好，分别达到70.44%、68.17%、56.09%、54.92%；

70 d later, root galling and final nematode population reduced by 51.4%, 49.4%, and 66.3% respectively.

接种70d后，根结数量约下降51.4%，土壤和根中的线虫数量分别下降了49.4%和66.3%。

A Study on the Control of Peanut Root-Knot Nematode With Chloropicrin

氯化苦防治花生根结线虫病的研究