JOURNAL

Contents

Review

International Trends oll the Conservation and Use of Plant Genetic Resources

Kazuo N. WATANABE, V. Ramanatha RAO and Masaru IWANAGA. . . . . . . 115 [PDF]

Original Paper

Long-term Storage and Cryopreservation of Desiccated Microspore-derived Embryos in Brassica spp.

Kenji WAKUl, Chiseko SATO, Yoshihito TAKAHATA and Norihiko KAIZUMA. . . . . . . 123 [PDF]

Short Communication

Embryogenic Callus Formation from Immature Embryo of Japanese Morning Glory (Pharbitis nil Choisy)

Motoyasu OTANI and Takiko SHIMADA. . . . . . . 127 [PDF]

Difference of Cell-viability and Spore Discharge Capability between Two Lichen Species, Letharia columbiana (Nutt.) Thoms. and L. vulpina (L.) Hue.

Yoshikazu YAMAMOTO, Yasuhiro KINOSHITA, and Isao YOSHIMURA. . . . . . . 131 [PDF]

Efficient Plant Regeneration frorn Protoplasts of Sugarcane

Makoto MATSUOKA, Hiroyuki FUKUOKA, Taiichi OGAWA, Hiroshi YANO, Kunihiro UJIHARA and Akira SUGIMOTO. . . . . . . 135[PDF]

Rapid Embryogenesis and Plant Regeneratioll of Target Tissue Derived from Juvellile Shoots for Transformation of Oat by Microprojectile Bombardment

Yoshinori MATSUDA, William R BUSHNELL, David A SOMERS and Howard W. RlNES. . . . . . . 139 [PDF]

Note

Polyvinylpyrrolidone Enhances Seed Germination and Development of Cypripedium macrauthos Sw. in vltro

Mina TOMITA and Masanori TOMITA. . . . . . . 145 [PDF]

Cloning and Sequencing of cDNA from Oryza sativa encoding a homolog to non-ATPase subunit, MBP1, of 26S Proteasome in Arabidopsis thaliana

Yuki YANAGAWA, Tadamasa UEDA, Kimiko YAMAMOTO, Takuji SASAKI, Keiji TANAKA Junji HASHlMOTO, Takahide SATO, and Hiroki NAKAGAWA. . . . . . . 147 [PDF]

Analysis of Rice Proteins of Transgenic Rice Resistant to Rice Stripe Virus

Hiroshi SHINMOTO, Masuko KOBORI, Tojiro TSUSHIDA, Kenji ISSHIKI and Takahiko HAYAKAWA. . . . . . . 151 [PDF]