PubAg

Main content area

You searched for: Journal Acta horticulturae Remove constraint Journal: Acta horticulturae Publication Year 2002 Remove constraint Publication Year: 2002 Source 2002 no.587 Remove constraint Source: 2002 no.587
Start Over

Search

89  Search Results

« Previous | 1 - 20 of 89 |
Number of results to display per page

Search Results

1. Adaptability and use of introduced cultivars of Pyrus pyrifolia nakai in Gansu province of China

Author:
Lin, YinSheng; Wang, FaLin; Ma, ChunHui
Source:
Acta horticulturae 2002 no.587 pp. 195-200
ISSN:
0567-7572
Subject:
Pyrus pyrifolia; branches; breeding; cultivars; drought; economics; flowers; frost; frost injury; frost resistance; fruits; humidity; parents; pears; temperature; winter; China; Japan
Abstract:
... The paper illustrates the geographical, the geomorphologic and the climatic features and Pyrus plant resources of Gansu province of China. It is based on the investigation and study of the growth, fruit habit, phenophase, fruit economic character and the resistances to freezing injury, late frost, drought, salt damage, etc. of 50 cultivars of Pyrus pyrifolia Nakai including 28 pear cultivars of Ja ...
DOI:
10.17660/ActaHortic.2002.587.22

2. Advancing harvest of Japanese pear through dormancy breaking treatments under forcing conditions

Author:
Kisaki, K.; Nishimoto, N.; Sano, K.; Kumamoto, O.; Hashiguchi, Y.; Sakaguchi, N.
Source:
Acta horticulturae 2002 no.587 pp. 413-418
ISSN:
0567-7572
Subject:
harvest date; temperature; pollination; buds; flowering; sprouting; models; calcium cyanamide; budbreak; pears; trees; plastics; dormancy breaking; color; dormancy; branches; pollen; heat treatment; greenhouses
Abstract:
... Earliest harvest of field-grown Japanese pears in Kagoshima prefecture occurs in late July to early August on 'Chikusui'. To further hasten the harvest time, forcing culture was tried under a heated plastic house and dormancy breaking treatments. Treatment with chemicals to break dormancy: Three-year-old 'Kousui' trees in 70-liter pots were utilized. The potted trees were moved into a glasshouse a ...
DOI:
10.17660/ActaHortic.2002.587.55

3. AFLP molecular markers of 10 species of Pyrus in China

Author:
Lin, Shenghua; Fang, Chengquan; Song, Wenqin; Zhang, Feng
Source:
Acta horticulturae 2002 no.587 pp. 233-236
ISSN:
0567-7572
Subject:
DNA; Pyrus; amplified fragment length polymorphism; cluster analysis; genetic distance; genetic markers; species identification; China
Abstract:
... DNA molecular markers of 10 species of Pyrus were conducted with AFLP (Amplified Fragment Length Polymorphism) technique. The results indicated that 355 DNA fragments were amplified by using 6 pairs, 9 combinations of primers, in which 281 fragments presented polymorphism and accounted for 79.2% of the total fragment numbers. On average, 39 DNA fragments were produced by a pair of primers and this ...
DOI:
10.17660/ActaHortic.2002.587.28

4. A graft-transmissible disease "sohi-byo" of Japanese pear that occurs in Okayama Prefecture, Japan

Author:
Nasu, H.; Osaki, H.
Source:
Acta horticulturae 2002 no.587 pp. 665-668
ISSN:
0567-7572
Subject:
bark; deformation; fruits; leaves; necrosis; pears; rootstocks; shoots; trees; Japan
Abstract:
... A disease of Japanese pear which induces rough bark of shoots and deformation of fruits was found in the Okayama Prefecture in Japan. The symptoms are mainly wavy leaves, rough-surfaces with bark necroses of shoots and deformation of fruits. The symptoms on the shoots and fruits appeared within 2~3 years of Japanese pear cvs. Niitaka, Atago and Housui being top-grafted onto affected trees of the p ...
DOI:
10.17660/ActaHortic.2002.587.88

5. Anatomical studies of the abscission process in the juncture tissue between the peduncle and spur on Japanese pear fruit following ethephon application

Author:
Tabuchi, T.; Ito, S.; Toita, S.; Inoue, K.; Murata, K.; Shimura, I.
Source:
Acta horticulturae 2002 no.587 pp. 539-542
ISSN:
0567-7572
Subject:
cell walls; ethephon; fruit drop; pears; peduncle
Abstract:
... Abscission layer formation and development of Japanese pear fruit was investigated anatomically using applications of ethephon. At 30 days after application with ethephon, cell walls of the juncture tissue between the peduncle and spur were disintegrated. These responses were found initially in the epidermis and cortex regions. At 40 days after application with ethephon, intercellular cavities wer ...
DOI:
10.17660/ActaHortic.2002.587.70

6. A new approach to controlling the flowering date for Japanese pear using reflective film technique

Author:
Honjo, H.; Kobayashi, Y.; Watanabe, M.; Fukui, R.; Sugiura, T.
Source:
Acta horticulturae 2002 no.587 pp. 389-395
ISSN:
0567-7572
Subject:
canopy; flowering; mulching; pears; sprouting; temperature; tree crown; trees
Abstract:
... This study was conducted to develop the method of controlling the flowering date of Japanese pear (cvs. Kousui and Housui). The covering methods with reflective film (Du Pont, Tyvek) were used. Exp.1: In early November, 1998, 40 trees each were used for 4 treatments; 1) covered above the top of the trees, 2) mulched under the trees, 3) covered above and under the trees and 4) control. Exp.2: In ea ...
DOI:
10.17660/ActaHortic.2002.587.52

7. A new red pear variety 'Golden Pearl'

Author:
Sui, Hongtao.; Li, Juncai; Liu, Cheng; Wang, Jiazhen
Source:
Acta horticulturae 2002 no.587 pp. 291-297
ISSN:
0567-7572
Subject:
Pyrus communis; Venturia pirina; calyx; color; crossing; flavor; fruits; new variety; pears; ripening; sugars; trees; vigor; China
Abstract:
... Most Asian pears are green or brown with light flavor. The new variety of pear 'Golden Pearl', selected from a crossing of Pyrus communis L. 'Bartlett' × P. bretschneideri Rehd. 'Hongxiaoli', is large, red and crisp with good flavor. The fruit of Golden Pearl pear is large, average 224g. It is short spindle, and the surface color is bright red on the top with a light-yellow ground color. The stalk ...
DOI:
10.17660/ActaHortic.2002.587.37

8. Antioxidative ability of cell wall components in Asian pear flesh against ascorbic acid oxidation

Author:
Motomura, Y.
Source:
Acta horticulturae 2002 no.587 pp. 525-532
ISSN:
0567-7572
Subject:
alcohols; antioxidant activity; apples; ascorbic acid; cell wall components; cultivars; esterification; free radical scavengers; lemons; linoleic acid; oxidation; pears; pectins; temperature; water solubility
Abstract:
... Water-soluble and hot water-soluble pectic fractions, extracted from alcohol insoluble solid (AIS) of fruit flesh of eight cultivars of Asian pear, acted as antioxidants against ascorbic acid oxidation, while HCl-soluble pectic fractions showed no effect. The activity was higher in hot water-soluble fractions than water-soluble fractions. Pectins from apples and lemons demonstrated antioxidant act ...
DOI:
10.17660/ActaHortic.2002.587.68

9. Artificial pollen application on nashi cultivar 'Housui'

Author:
La Franchie, E.J.
Source:
Acta horticulturae 2002 no.587 pp. 599-604
ISSN:
0567-7572
Subject:
Apoidea; apples; crabs; cultivars; exports; flowering; flowers; fruit set; germination; growers; pears; pellets; pollen; self-pollination; viability; New Zealand
Abstract:
... New Zealand Asian Pear/nashi growers have experienced variable crop loads between years in the export cultivar 'Housui'. Normal practice is for pollination to be achieved via bees placed in the orchard during flowering. The purpose of this study was to determine which pollen type would be an effective pollen source for 'Housui' if artificial pollen were to be applied. Pollen was applied to bagged ...
DOI:
10.17660/ActaHortic.2002.587.79

10. A search for genetic resources on the genus of Pyrus in Japan Iwateyamanashi (P. aromatica Nakai et Kikuchi)

Author:
Yoneyama, K.; Makita, M.
Source:
Acta horticulturae 2002 no.587 pp. 147-150
ISSN:
0567-7572
Subject:
Pyrus; cultivars; ecology; fruits; highlands; indigenous species; mountains; pastures; roads; trees; villages; Japan
Abstract:
... This paper reports the ecology and distribution of Iwateyamanashi, which has been little known thus far, based on the investigation conducted in the Kitakami Highlands in Iwate Prefecture, Japan, approx. Lat. 40°N. Most Iwateyamanashi trees were found at about 400m above sea level. No trees were seen at 700m above the sea or higher. The trees spotted all stood on their own in villages and pastures ...
DOI:
10.17660/ActaHortic.2002.587.15

11. Asian pear germplasm - future trends and current research in the industry

Author:
Nee, Cheng-chu; Tsai, Chung-han; Anstine, Daniel D.
Source:
Acta horticulturae 2002 no.587 pp. 61-69
ISSN:
0567-7572
Subject:
Erwinia amylovora; Pyrus pyrifolia; breeding; buds; clones; cultivars; disease control; extinction; flowers; germplasm; indigenous species; industry; land use; markets; pears; rootstocks; temperate zones; trees; China; Japan; Korean Peninsula; Taiwan; United States
Abstract:
... An estimated 72% of all known pear species are native to Asia. The United States houses 1,500 clones, 40 % of these holdings are Asian pear cultivars. Land development throughout Asia poses a serious threat to indigenous Asian pear species. Some of these are facing extinction, i.e. P. koehnei. It is an imperative that Asian countries cooperate in a germplasm protection and preservation research ve ...
DOI:
10.17660/ActaHortic.2002.587.3

12. Asian pear production and future trends of industrial development in Thailand

Author:
Subhadrabandhu, Suranant; Prapthuk, Wirat; Thanaruj, Chinnapan
Source:
Acta horticulturae 2002 no.587 pp. 89-96
ISSN:
0567-7572
Subject:
breeding; budbreak; buds; chilling requirement; climate; composts; cooling; development projects; disease control; dormancy; dormancy breaking; flowering; fruits; growers; harvesting; highlands; industrialization; irrigation; markets; packaging; pears; pests; researchers; rootstocks; trees; villages; China; India; Japan; Korean Peninsula; Myanmar; Thailand
Abstract:
... Asian pear production in Thailand is very small compared with the production in some Asian countries, like Korea, Japan, China and India. In the South East Asian region, Thailand and Myanmar grow the Asian pear. The production of Asian pear in Thailand is confined to the highland areas in northern Thailand, where the climate is rather mild and a period of chilling occurs in winter to break bud dor ...
DOI:
10.17660/ActaHortic.2002.587.6

13. Asian pear production and research trends in New Zealand and Australia

Author:
White, Allan
Source:
Acta horticulturae 2002 no.587 pp. 107-111
ISSN:
0567-7572
Subject:
breeding; markets; new variety; pears; raw fruit; Australia; Europe; New Zealand; United States
Abstract:
... Asian pear is a minor crop in New Zealand and Australia with areas of 150 hectares in New Zealand and 500 hectares in Australia. Most of the production in New Zealand is exported to the USA and Europe as fresh fruit whereas in Australia most of their production is sold on the local market. The main variety in New Zealand is Housui and in Australia, Nijisseiki. Research in New Zealand is focused on ...
DOI:
10.17660/ActaHortic.2002.587.8

14. Asian pears in Canada

Author:
Li, Thomas S.C.
Source:
Acta horticulturae 2002 no.587 pp. 129-131
ISSN:
0567-7572
Subject:
alternative crops; crop management; farmers; orchards; pears; postharvest treatment; prices; British Columbia
Abstract:
... Demand and prices for Asian pears increased rapidly in recent years which promoted Asian pear cultivation in Canada. The results of variety trails in British Columbia indicated that Asian pears can be cultivated with similar crop management as European pears except extra caution is needed during harvest and post-harvest handling. It is a promising new alternative crop with high economic values for ...
DOI:
10.17660/ActaHortic.2002.587.12

15. A simple diagnosis and incidence prediction of the pithy fruit in Japanese pear (Pyrus pyrifolia Nakai cv. Niitaka) using specific gravity

Author:
Chijiwa, H.; Hayashi, K.; Ushijima, K.
Source:
Acta horticulturae 2002 no.587 pp. 685-689
ISSN:
0567-7572
Subject:
Pyrus pyrifolia; fruit quality; harvesting; pears; prediction; specific gravity; texture
Abstract:
... The pithiness called 'suiri' in Japanese pear fruit is one of the most serious physiological disorders that deteriorates flesh texture. A simple diagnosis of the pithy fruit using specific gravity and an incidence prediction method of pithiness was devised. The symptom arose when the specific gravity of the fruit dropped under 0.95 and the degree of pithiness increased with the further decrease of ...
DOI:
10.17660/ActaHortic.2002.587.91

16. Assessment of genetic relatedness among large-fruited pear cultivars native to East Asia using RAPD markers

Author:
Teng, Yuanwen; Tanabe, Kenji; Tamura, Fumio; Itai, Akihiro
Source:
Acta horticulturae 2002 no.587 pp. 139-145
ISSN:
0567-7572
Subject:
cluster analysis; cultivars; genetic relationships; genetic variation; pears; random amplified polymorphic DNA technique; sand; China; Japan; Korean Peninsula
Abstract:
... A total of 92 pear accessions mainly native to East Asia were subjected to RAPD analysis to evaluate genetic variation and relationships among the accessions. Cultivars of P. communis were quite distinct from Asian pear cultivars. Cluster analysis identified five major groups. Chinese white pears clustered together with Chinese sand pears. The majority of Japanese pear cultivars fell into one majo ...
DOI:
10.17660/ActaHortic.2002.587.14

17. Breeding of New Pear Cultivar "Huasu"

Author:
Fang, Chengquan; Chen, Xinye; Lin, Shenghua
Source:
Acta horticulturae 2002 no.587 pp. 285-290
ISSN:
0567-7572
Subject:
Pyrus bretschneideri; cold tolerance; cultivars; disease resistance; fruit quality; interspecific hybridization; pears; pedigree; ripening; spraying; suberization; trees
Abstract:
... ‘Huasu’ is a new, an early maturing, high quality, high yield and disease-resistant pear cultivar from interspecific hybridization of ‘Zaosu’ (Pyrus bretschneideri) × ‘Yakumo’ (P. pyrifolia). The fruit ripens 10~15 days earlier than ‘Zaosu’. The fruit is about 200~250g in weight on average, round in shape with yellowish green skin. The flesh is yellowish white, fine, crisp, juicy, sour-sweet, pala ...
DOI:
10.17660/ActaHortic.2002.587.36

18. Breeding of the new early season pear cultivar Shincheon

Author:
Hwang, Hae-Sung; Shin, Il-Sheob; Kim, Whee-Cheon; Cho, Hyun-Mo; Shin, Yong-Uk; Hwang, Jeong-Hwan
Source:
Acta horticulturae 2002 no.587 pp. 299-306
ISSN:
0567-7572
Subject:
fresh market; harvest date; cultivars; tree growth; total soluble solids; Alternaria; breeding; Pyrus pyrifolia; pears; fruit quality; trees; color; ripening; markets
Abstract:
... Shincheon pear (Pyrus pyrifolia Nakai) originated as a cross between Niitaka (non-patented, released in 1929) and Chuwhangbae (patented, released in 1985). In 1998, Shincheon was released as a high quality, early-season pear for the fresh market by the National Horticultural Research Institute (NHRI) in Suwon. This cultivar was first selected in 1996, and its regional adaptability was checked out ...
DOI:
10.17660/ActaHortic.2002.587.39

19. Breeding process and characteristics of 'Akemizu', a new Japanese pear cultivar

Author:
Shibata, K.; Kawashima, K.; Hishitani, M.
Source:
Acta horticulturae 2002 no.587 pp. 319-321
ISSN:
0567-7572
Subject:
Pyrus pyrifolia; acidity; breeding; brix; buds; cultivars; flowering; flowers; horticulture; pears; taste; temperature; trees
Abstract:
... Japanese pear (Pyrus pyrifolia Nakai) cultivar 'Akemizu' was bred from a cross of 'Shinsui' × '42-6' at the Kanagawa Horticultural Experimental Station. 'Akemizu' is an early-maturing cultivar which is harvested a week to ten days earlier than 'Shinsui'. The skin is yellowish red brown, and the fruit is round, averaging 320 g. The fruit features a Brix of roughly 13%, with slight acidity and fine, ...
DOI:
10.17660/ActaHortic.2002.587.43

20. Changes of Ca and CaM content during fruit development in pear (Pyrus pyrifolia Nakai)

Author:
Peng, S.A.; Li, G.H.; Luo, C.
Source:
Acta horticulturae 2002 no.587 pp. 505-509
ISSN:
0567-7572
Subject:
Pyrus pyrifolia; calcium; cultivars; early development; fruiting; pears
Abstract:
... Changes of Ca and calmodulin (CaM) contents were analyzed in two pear cultivars, 'Shinseiki' and 'Syounan' that differed markedly in maturity and storage between each other. The results showed that a high content of Ca appeared during young fruit development in both cultivars, but on the whole, Ca content during different stages in 'Shinseiki' with early maturity and inferior storage characteristi ...
DOI:
10.17660/ActaHortic.2002.587.65