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Study on Phenology Observations and Pollen Characteristics of Different Juglans hopeiensis Hu Cultivars(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年15期
Page:
17-21
Research Field:
Publishing date:

Info

Title:
Study on Phenology Observations and Pollen Characteristics of Different Juglans hopeiensis Hu Cultivars
Author(s):
MA Yan1; JIN Li-xin1; ZHANG Xue-mei1; 2; LI Bao-guo1; 2; CHEN Meng-hua1
1.College of Forestry,Agricultural University of Hebei,Baoding,Hebei 071000;
2.Hebei Province Engineering Technology Research Center,Xingtai,Hebei 054000
Keywords:
Juglans hopeiensis Hu; phenology; pollen; viability; pollination
PACS:
S664.1
DOI:
-
Abstract:
Fouryearold Juglans hopeiensis Hu trees that planted in Longquan hill of Laishui county were used as materils,the phenological period and pollen characteristics of different Juglans hopeiensis Hu cultivars were researched,in order to prove up the phenological period and pollen characteristics of different Juglans hopeiensis Hu varieties.The results showed that among 11 Juglans hopeiensis Hu varieties,‘Bai Shizitou’,‘Sizuolou’,‘Shanxi Guanmao’,‘Chengde Guanmao’,‘Da Shizitou’ and ‘Gongzimao’ are male flowers bloom first,‘Mantianxing’ and ‘Jiudu Guanmao’ were female flower bloom first；‘Nanjiangshi’,‘Panlongwen’ and ‘Daguanmao’ had no male flower；The male flowers fullbloom stage of ‘Mantianxing’（04.29~05.02）,‘Jiudu Guanmao’（04.30~05.03）,‘Pingguoyuan’（04.27~05.02）consistent with the female flowers full bloom stage of ‘Bai Shizitou’（05.01~05.04）,‘Sizuolou’（04.30~05.03）,‘Shanxi Guanmao’（04.30~05.02）,‘Chengde Guanmao’（05.03~05.06）and ‘Pingguoyuan’（05.02~05.04）；The male flowers full bloom stage of ‘Bai Shizitou’（04.25~04.29）,‘Sizuolou’（04.25~04.30）,‘Shanxi Guanmao’（04.22~04.27）,‘Chengde Guanmao’（04.23~04.27）,‘Da Shizitou’（04.26~04.29）,‘Gongzimao’（04.25~04.29）consistent with the female flowers full-bloom stage of ‘Mantianxing’（04.25~04.27）and ‘Jiudu Guanmao’（04.26~04.28）.The pollen’s viability of Juglans hopeiensis Hu cultivars was 7.98%~24.53% and aberration rate was 12.0%~33.6% under natural conditions；the shorter storage time,the higher pollen’s viability in Juglans hopeiensis Hu cultivars.If the female parent was ‘Mantianxing’,‘Pingguoyuan’,‘Daguanmao’,‘Bai Shizitou’,‘Shanxi Guanmao’,‘Chengde Guanmao’ and ‘Sizuolou’,the best match of the male parent was ‘Mopanshizitou’,‘Chengde Guanmao’,‘Hong Shizitou’,‘Sizuolou’,‘Gongzimao’,‘Da Shizitou’ and ‘Shanxi Guanmao’ in proportion.The fruit set percentage was 6.91%,11.45%,20.31%,17.46%,10.93%,12.91% and 30.30% respectively,and they were all higher than that of under the natural condition.

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Last Update: 2014-09-19