On the problem of impruving the reproductive characters of silk worm (Bombyx Mori L)
1998
Petkov, N. | Ignatov, L. | Nacheva, J. (Opitna Stantsiya po Bubarstvo, Vratsa (Bulgaria))
An investigation was conducted for the purpose of assessing the possibilities existing for improving the basic reproductive characters of silk worm by developing and extending in the production of complex three and tetra hybrids.It was found that all three and tetra hybrids studied surpassed in number and weight the normal seeds in a batch of the regionally mass extended in production single hybrid Vratsa 35 x Merefa 2, by respectively 4.27 - 16.10% and 6.61 - 22.87%.
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书目信息
页码
pp. 48-50
其它主题
Maitrise de la reproduction; Reproduccion dirigida; Vigor hibrido
语言
保加利亚语
注释
Summaries (En, Ru)
1 table; 8 ref.
翻译的标题
V"rkhu problema za podobryavane na reproduktivnite priznatsi pri koprinenata peperuda (Bombyx mori L.)
类型
Summary
团体作者
Selskotopanska Akademiya, Sofia (Bulgaria)
1999-08-15
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