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The Effect of Crop Season on Pod Rot Disease of Peanut (Arachis hypogaea L.) Varieties
Estimates of phenotypic(rp) and genotypic(rg) correlation between pd rot severity and agronomic characters of peanut varieties
Estimates of phenotypic(rp) and genotypic(rg) correlation between pd rot severity and agronomic characters of peanut varieties

Author:Kin-Hsing Yang*, Wen-Long Tsaus, Guang-Jauh Shieh, Chan-Lee Ho, Jhi-Nong Tsai, Chien-Yih Lin and Fu-Sheng Thseng

Abstract:

    For evaluating crop season effect on pod rot disease, 20 peanut varieties were cultivated continuously at a TARI field for four crops in two years. It resulted that the varieties, crop seasons and years had interactions with pod rot severity. Susceptible and moderate resistant varieties were more serious pod rot in continuous cultivation seasons, but resistance varieties were not. The crop seasons correlation were significant for fall crop with after fall crops. The phenotypic correlation was positive for pod rot severity with leaf spot disease, but negative with pod and kernel yields, in spring crop.

Key words:Peanut, Arachis hypogaea L., Crop season, Pod rot disease

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Journal of
Taiwan Agricultural Research
Vol. 73, No.3 (2024) ISSN: 2790-086X Vol. 73, No.3 (2024)
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