FRUIT MATURITY INDICES AS CRITERIA FOR OPTIMIZATION OF SEED GERMINATION IN Jatropha curcas L.

被引:0
|
作者
Ahmad, Suheel [2 ]
Pant, K. S. [1 ]
机构
[1] Dr Yashwant Singh Parmar Univ Hort & Forestry, Dept Silviculture & Agroforestry, Solan 173230, Himachal Prades, India
[2] Indian Council Agr Res, Indian Grassland & Fodder Res Inst, Reg Res Stn, Srinagar 190005, Jammu & Kashmir, India
关键词
Germination; Jatropha curcas; maturity indices;
D O I
10.5958/0974-4517.2014.00045.7
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The seeds of Jatropha curcas were harvested from three maturity stages termed as greenish-yellow (40-45 days after anthesis, DAA), yellow (5560 DAA) and brownish-black (65-70 DAA) at fortnightly interval from July to December to assess the effects of collection time and capsule maturity on seed germination. It was observed that seed germination varied significantly with the advancement of collection period and capsule maturity. Maximum germination was recorded in the seeds extracted from yellow capsules both under laboratory (85.8%) and nursery conditions (59.1%). Similarly, the seeds harvested during July, August and September collections showed higher germination percentage. Therefore, harvesting of fruits at yellow stage during rainy season appears better for the collection of abundant superior quality seeds.
引用
收藏
页码:36 / 41
页数:6
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