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Effect of ‘BIHU’ on Growth and Nutrient Accumulation of Apple Seedlings(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年04
Page:
24-30
Research Field:
Publishing date:

Info

Title:
Effect of ‘BIHU’ on Growth and Nutrient Accumulation of Apple Seedlings
Author(s):
WANG Jing; LIANG Wei; WANG Lei; ZHU Lifang; MA Fengwang; LI Cuiying
(State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple/College of Horticulture，Northwest A & F University，Yangling,Shaanxi 712100)
Keywords:
‘BIHU’; nutrient stress; growth; nutrient accumulation
PACS:
-
DOI:
10.11937/bfyy.20181927
Abstract:
Malus hupehensis Rehd.var.pinyiensis Jiang was used as material to assess the effect of ‘BIHU’ on the growth and nutrient accumulation of apple seedlings under different nutrient conditions. Three nutrient supply levels were used,that were 1/2 Hoagland nutrient solution (normal fertilizer),1/5 Hoagland (medium fertilizer) and water (low fertilizer).‘BIHU’ was a kind of growth regulator originated from plants,containing 0.136% of brassinolide,indoleacetic acid and gibberelli acid.In order to provide a basis for the study of apple fertilizer reduction and efficiency enhancement technologies.The results showed that a modicum of reducing of nutrient wound not affect chlorophyll content.In addition to that,under medium nutrient condition,the disparity of morphologic parameters of plant root was insignificant compare with normal nutrient condition.Under low nutrient condition,there were significant decline of soluble protein content and root activity in plant root and leaf.Moreover,average parameter and dimension of root system was significantly decreased under low nutrient condition.So that the application of ‘BIHU’ could alleviate the adverse effects of nutrient reduction on apple seedlings,and could even make the seedling growth and nutrient accumulation in the body reach the level under normal nutrient conditions,it suggested that implement of ‘BIHU’ could promote the growth and nutrient accumulation of apple seedlings under low nutrient conditions.

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Last Update: 2019-03-11