Insufficient spring irrigation increases abnormal splitting of pistachio nuts

Abnormal pistachio nuts, known as "early-split nuts," have both the hull and shell split while still on the tree, exposing the kernel to invasion by insects and molds. Deficit irrigation of pistachio trees in April and May resulted in substantial increases in the formation of early-split n...

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Published inCalifornia agriculture (Berkeley, Calif.) Vol. 55; no. 3; pp. 28 - 31
Main Authors DOSTER, Mark A, MICHAILIDES, Themis J, GOLDHAMER, David A, MORGAN, David P
Format Journal Article
LanguageEnglish
Published Berkeley, CA University of California, Division of Agriculture and Natural Resources 01.05.2001
University of California Agriculture and Natural Resources
Subjects
Agricultural and forest climatology and meteorology. Irrigation. Drainage
Agronomy. Soil science and plant productions
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
Irrigation. Drainage
California
United States
North America
America
Irrigation
Plant pathology
Tegument
Plant pathogen
Water deficit
Insecta
Rupture
Arboriculture
Pistacia vera
Fungi
Pest
Arthropoda
Dicotyledones
Spring(season)
Angiospermae
Spermatophyta
Fruit tree
Invertebrata
Anacardiaceae
Thallophyta
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Summary:Abnormal pistachio nuts, known as "early-split nuts," have both the hull and shell split while still on the tree, exposing the kernel to invasion by insects and molds. Deficit irrigation of pistachio trees in April and May resulted in substantial increases in the formation of early-split nuts in late summer, while extreme deficit irrigation in July and August resulted in decreased formation. However, deficit irrigation during the period of shell hardening, mainly in June, did not affect early-split formation.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0008-0845
2160-8091
DOI:10.3733/ca.v055n03p28