Analysis of Zizyphus mauritiana Lam. from Allelopathic Viewpoint

S. Tyagi, R. Agarwal
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引用次数: 6

Abstract

Zizyphus mauritiana Lam. contributes significantly in soil conservation and is considered as an under utilised crop in the national programme. However, Zizyphus spp may also pose certain problems as weed which prompted us to undertake this problem.Different categories of leaves [identified on the basis of their developmental stages] viz., seventh to twelfth [I], twentieth to twenty fifth [II] and fruit pulp [P] have been analysed for possible allelochemical and antinutritional components.Different developmental stages of plant organs may have a varying impact hence, leachates of two categories of leaves viz., seventh to twelfth [I] and twentieth to twenty fifth [II] were examined for their allelopathic potential on germination and seedling growth of Brassica juncea L. The leachates of dry leaves of category I [i.e. 7th-12th] reduced total chlorophylls and carotenoids in leaves of seven days old seedlings of Brassica juncea L. to a greater degree than the older leaves [20th-25th]. Addition of potassium along with leaf leachates has alleviated this effect to some extent.
毛利亚纳紫狐属植物分析。从化感的观点来看
Zizyphus mauritiana Lam。对保持土壤有重大贡献,在国家方案中被认为是一种利用不足的作物。然而,作为杂草,茜草也可能带来某些问题,这促使我们承担起这个问题。不同类别的叶片[根据其发育阶段确定],即第7至第12 [I],第20至第25 [II]和果肉[P]已被分析可能的化感化学和抗营养成分。植物器官的不同发育阶段可能会产生不同的影响,因此,两类叶片的渗滤液即研究了第7 ~ 12种[I]和第20 ~ 25种[II]对芥菜萌发和幼苗生长的化感作用。第1种[即第7 ~ 12种]干叶的渗滤液对芥菜7天龄幼苗叶片中总叶绿素和类胡萝卜素的降低程度大于老叶[20 ~ 25种]。钾和叶渗滤液的添加在一定程度上缓解了这种影响。
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