VARIABILITY OF PEARL-MILLET DOWNY MILDEW (SCLEROSPORA-GRAMINICOLA) AND ITS IMPLICATIONS FOR BREEDING FOR STABLE AND DURABLE RESISTANCE

被引：1
|
作者：
WERDER, J [1 ]
BALL, SL [1 ]
机构：
[1] INT CROPS RES INST SEMI ARID TROP, SAHELIAN CTR, NIAMEY, NIGER
来源：
TROPICAL PEST MANAGEMENT | 1992年 / 38卷 / 01期
关键词：
DOWNY MILDEW; SCLEROSPORA-GRAMINICOLA; PEARL MILLET; VARIABILITY; WEST-AFRICA;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Ten pearl millet genotypes (Pennisetum glaucum (L.) R. Br.) were tested for downy mildew (Sclerospora graminicola (Sacc.) Schroet.) reaction in the field at four locations in West Africa and in the greenhouse at Reading University, UK, using collections of the pathogen from the same areas. Some of the test entries showed different reactions at different locations and when inoculated with different isolates. It was found that different pathotypes of S. graminicola exist in West Africa (ICRISAT, 1987). The pathotypes from Bawku Manga (Ghana) and Samaru (Nigeria) were more virulent than the ones from Kamboinse (Burkina Faso) and Bengou (Niger). The breeding line IKM/CVP 39/83/84/351 showed stable resistance over all locations and all isolates at Reading.
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页码：43 / 47
页数：5
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