Pathogenicity and management of root-knot nematode (Meloidogyne incognito) in pointed gourd (Trichosanthes dioica)

被引：0
|
作者：
Mahapatra, SN [1 ]
Swain, PK [1 ]
Behera, B [1 ]
机构：
[1] Orissa Univ Agr & Technol, Bhubaneswar 751003, Orissa, India
来源：
INDIAN JOURNAL OF AGRICULTURAL SCIENCES | 1999年 / 69卷 / 04期
关键词：
Meloidogyne incognita; damaging threshold; pathogenicity; management; carbosulfan; toxicity; Trichosanthes dioica;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
Significant reduction in shoot and root weight of pointed gourd (Trichosanthes dioica Roxb.) was observed at an initial inoculum density of 1 000 J(2) of Meloidogyne incognita per kg soil and hence was considered as the damaging threshold level. The rate of nematode reproduction was density dependent, the maximum being at the lowest inoculum density and the minimum at the highest density. Bare-root dip of 10-day-old rooted seedlings of pointed gourd in 0.05% concentration of carbosulfan 25 EC for 8 hr effectively reduced nematode multiplication and root galling. Root dip in 0.1% carbosulfan for 6 hr exhibited lethal toxicity in seedlings.
引用
收藏
页码：275 / 277
页数：3
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