Effect of a leaf spot disease caused by Alternaria alternata on yield of sunflower in Greece
1998
Lagopodi, A.I. | Thanassoulopoulos, C.C.
Field experiments were conducted during the 1989 to 1993 growing seasons in order to determine the effect of natural infections of Alternaria alternata on yield of sunflower (Helianthus annual). Number of seeds produced per head and seed weight were reduced by 16 to 65% and 15 to 79%, respectively. Number and weight of seeds produced per head were correlated negatively with disease intensity before anthesis. The fungus overwinters in sunflower leaf residues and may present a yearly problem for sunflower production in some areas.
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书目信息
Plant disease
卷
82
期
1
页码
41
- 44
ISSN
0191-2917
其它主题
Incidence; Disease intensity; Leaf spot; Leaf spotting; Fungal diseases of plants
语言
英语
注释
2019-12-04
类型
Journal Article; Text
2024-02-28
MODS