Sweet-clover Seed
by H. S. Coe
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Language: English
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About this eBook
- Author
- Martin, John N. (John Nathan), 1875-
- Title
- Sweet-Clover Seed
- Credits
- Produced by Tom Cosmas from files generously provided by the USDA through The Internet Archive and placed in the Public Domain.
- Language
- English
- LoC Class
- SB: Agriculture: Plant culture
- Subject
- Sweet clover -- Seeds
- Category
- Text
- Project Gutenberg
- eBook-No. 62998
- Release Date
- August 21, 2020
- Copyright
- Public domain in the USA.
Contents
- 1.Untitled
- 2.SWEET-CLOVER SEED — Part I.—Pollination Studies of Seed Production — Part II.—Structure and Chemical Nature of the Seed Coat and its Relation to Impermeable Seeds of Sweet Clover — CONTENTS
- 3.SWEET-CLOVER SEED — Part I.—Pollination Studies of Seed Production — Part II.—Structure and Chemical Nature of the Seed Coat and its Relation to Impermeable Seeds of Sweet Clover — CONTENTS
- 4.Part I.—POLLINATION STUDIES OF SEED PRODUCTION. — UNSATISFACTORY YIELDS OF SWEET-CLOVER SEED. — PREVIOUS INVESTIGATIONS OF THE POLLINATION OF SWEET CLOVER. — OUTLINE OF POLLINATING EXPERIMENTS. — STRUCTURE OF THE FLOWERS OF MELILOTUS ALBA. — DEVELOPMENT OF THE FLORAL ORGANS OF SWEET CLOVER. — DEVELOPMENT OF THE OVULES. — STERILITY OF THE OVULES. — DEVELOPMENT OF THE POLLEN. — FERTILIZATION IN MELILOTUS ALBA. — DEVELOPMENT OF THE SEED. — MATURE POLLEN OF SWEET CLOVER. — GERMINATION OF THE POLLEN. — CROSS-POLLINATION AND SELF-POLLINATION OF SWEET CLOVER. — ARTIFICIAL MANIPULATION OF SWEET-CLOVER FLOWERS. [2] — SEED PRODUCTION OF MELILOTUS ALBA UNDER ORDINARY FIELD CONDITIONS. — EFFICIENCY OF CERTAIN KINDS OF INSECTS AS POLLINATORS OF SWEET CLOVER. — PLANTS SUBJECT TO INSECT VISITATION AT ALL TIMES. — PLANTS PROTECTED FROM INSECT VISITATION DURING THEIR ENTIRE FLOWERING PERIOD. — FLOWERS POLLINATED ONLY BY NIGHT-FLYING INSECTS. — FLOWERS POLLINATED ONLY BY DAY-FLYING INSECTS. — PLANTS PROTECTED FROM ALL INSECTS THAT COULD NOT PASS THROUGH A WIRE SCREEN HAVING 14 MESHES TO THE LINEAR INCH. — SUMMARY OF INSECT-POLLINATION STUDIES. — RELATION OF THE POSITION OF THE FLOWERS ON MELILOTUS ALBA PLANTS TO SEED PRODUCTION. — INFLUENCE OF THE WEATHER AT BLOSSOMING TIME UPON SEED PRODUCTION. — INSECT POLLINATORS OF SWEET CLOVER. — EFFECT OF MOISTURE UPON THE PRODUCTION OF MELILOTUS ALBA SEED.
- 5.Part II.—STRUCTURE AND CHEMICAL NATURE OF THE SEED COAT AND ITS RELATION TO IMPERMEABLE SEEDS OF SWEET CLOVER. [3] — HISTORICAL SUMMARY. — MATERIAL AND METHODS. — STRUCTURE OF THE SEED COAT. — MICROCHEMISTRY OF THE SEED COAT. — THE SEED COAT IN RELATION TO THE ABSORPTION OF WATER. — A COMPARISON OF PERMEABLE AND IMPERMEABLE SEED COATS. — THE ACTION OF SULPHURIC ACID ON THE COATS OF IMPERMEABLE SEEDS.
- 6.LITERATURE CITED.
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