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Titolo:
Screening of mulberry genotypes suitable for fruit production and development of high-yielding strains with large fruits
Autore:
Koyama, A; Yamanouchi, H; Machii, H;
Indirizzi:
Natl Inst Sericultural & Entomol Sci, Dept Sericulture, Tsukuba, Ibaraki 3058634, Japan Natl Inst Sericultural & Entomol Sci Tsukuba Ibaraki Japan 3058634 Japan
Titolo Testata:
JARQ-JAPAN AGRICULTURAL RESEARCH QUARTERLY
fascicolo: 1, volume: 35, anno: 2001,
pagine: 59 - 66
SICI:
0021-3551(200101)35:1<59:SOMGSF>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Keywords:
colchicine treatment; polyploid; mixoploid; chimera; taste test;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: Koyama, A Natl Inst Sericultural & Entomol Sci, Dept Sericulture, Tsukuba,Ibaraki 3058634, Japan Natl Inst Sericultural & Entomol Sci Tsukuba Ibaraki Japan 3058634
Citazione:
A. Koyama et al., "Screening of mulberry genotypes suitable for fruit production and development of high-yielding strains with large fruits", JARQ, 35(1), 2001, pp. 59-66

Abstract

In order to screen mulberry genotypes suitable for fruit production, fruittraits of 260 genotypes were examined. Forty-three genotypes were classified into staminate, 137 were pistillate and 78 were hermaphrodite. Fruit quantity and size showed wide variations among the genotypes. Itouwase, Shizensei-roso and Tenmokuyotsume bore more fruits than the other genotypes. Okaraguwa bore the largest fruits, which were 4.9 cm long and weighed 7.15 g. The sugar content of the fruit ranged from 6.6 to 20.8%, and the highest content was observed in Myurienoaaru. Most of the taste panelists rated Okaraguwa and Kataneo higher than the other genotypes. Thus, these 2 genotypes were selected as the most suitable fur fruit production. In the next step, weattempted to develop polyploids from these genotypes by colchicine treatment to achieve a high productivity. After the treatment, we propagated the shoots with putative tetraploids to obtain the strains. The 2 strains thus developed were mixoploids of diploids and tetraploids, but it is considered that they were both peripheral chimeras and that their structure remained stable. One of the strains, FRM-01 developed from Kataneo, bore many fruits in the second year after planting in the field. Almost all the fruit traitsof this strain were the same as those of the original strain, except that the size became larger and the fruit yield was increased by about 60%.

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Documento generato il 11/07/20 alle ore 17:44:25