|Table of Contents|

A GENETICAL AND CYTOMORPHOLOGICAL STUDYON THE MALE STERILEMUTANT NJ89- 1 IN SOYBEANS(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
1998年01
Page:
32-38
Research Field:
Publishing date:

Info

Title:
A GENETICAL AND CYTOMORPHOLOGICAL STUDYON THE MALE STERILEMUTANT NJ89- 1 IN SOYBEANS
Author(s):
Yang Shouping　Gai Junyi　Xu Hanqing
( Soybean Research Institute , Nanj ing Agricul tural University , N anj ing 210095)
Keywords:
Soy bean;  Male Sterility;  Mutant;  Inheritance;  Cytomo rpholo gy
PACS:
-
DOI:
10.11861/j.issn.1000-9841.1998.01.0032
Abstract:
Artificial pollinatio n experiment s rev ealed that the female fertility of N J89- 1 w asno rmal, then, N J89- 1 w as a male- sterile female- fertile muta nt. Pollen g erminationex periments show ed that the male steri li ty o f N J89- 1 w as pret ty high and stable wi th apollen g ermination percentage less than 0. 75% . Genetic data led to the conclusion thatthe male steri li ty of N J89- 1 was co nt rolled by a sing le recessiv e nuclear g ene. Alleli smtests indicated that the male sterile g ene of N J89- 1 w as no n- al lelic to the male sterileg enes of ms1, ms2, ms3, ms4 and ms5. The cy tomorpho logical observa tions o n antherand po llen dev elopment show ed that N J89- 1 was di fferent f rom ms1～ ms6 mutants inmany aspect s such as abor tion stag e, meiosis, tet rad fo rmation, pollen w all and antherw all etc. N J89- 1 display ed similar meio tic abnormalities o f asy napsis o r desynapsis tothose o f st2～ st5 mutants, but dif fered f rom st2～ st5 mutants in female fer tili ty, namely, the female of N J89- 1 w as normal , while those of st2～ st5 muta nt s w ere st ronglyimpai red. Therefore, N J89- 1 w as a new male sterile mutant. The male sterile g enesymbol of N J89- 1 w as proposed to be ms7.

References:

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Last Update: 2017-01-13