SEED GERMINATION OF AMERICAN BASSWOOD IN RELATION TO SEED MATURITY | Zendy

D. E. Vanstone | Zendy; W. G. Ronald | Zendy

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SEED GERMINATION OF AMERICAN BASSWOOD IN RELATION TO SEED MATURITY

Author(s) -

D. E. Vanstone,

W. G. Ronald

Publication year - 1982

Publication title -

canadian journal of plant science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.338

H-Index - 59

eISSN - 1918-1833

pISSN - 0008-4220

DOI - 10.4141/cjps82-103

Subject(s) - germination , biology , maturity (psychological) , water content , horticulture , botany , agronomy , psychology , developmental psychology , geotechnical engineering , engineering

Seed germination of American basswood collected and sown at weekly intervals during late summer 1977 increased until the 9 Sept. collection at which germination was 52%; thereafter, germination decreased. The color of the pericarp and the moisture content of the seed proved reliable indices of maturity in relation to germination. All pericarps turned greyish-brown by 9 Sept. and moisture content of the seed decreased to 16%. Germination of excised embryos occurred without delay at all stages of seed maturity. Examination of the structure of the testa by means of differential staining and light microscopy showed a high degree of cell orientation, compaction and lignification at the advanced stages of maturity.

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