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Effects and Related Mechanisms of Allelopathy of 's Pollens on Corn Pollens, Stigmas, and Yield.
J Agric Food Chem
December 2024
College of Bioscience and Biotechnology, Liaoning Provincial Key Laboratory of Global Change and Biological Invasion, Shenyang Agricultural University, Shenyang, Liaoning Province 110866, China.
, a worldwide malignant invasive weed, can inhibit corn seed germination, seedling growth, and yield through allelopathy. However, it is unclear whether it can inhibit activities of corn pollens and stigmas and, thus, decrease corn yield through allelopathy. Here, we studied the allelopathic effects and related mechanisms of 's pollens on corn pollens, stigmas, and yield.
View Article and Find Full Text PDFMaize stigmas react differently to self- and cross-pollination and fungal invasion.
Plant Physiol
December 2024
Cell Biology and Plant Biochemistry, University of Regensburg, Regensburg 93040, Germany.
During sexual reproduction in flowering plants, tip-growing pollen tubes travel from the stigma inside the maternal tissues of the pistil toward ovules. In maize (Zea mays L.), the stigma is highly elongated, forming thread-like strands known as silks.
View Article and Find Full Text PDFZmSPL10, ZmSPL14 and ZmSPL26 act together to promote stigmatic papilla formation in maize through regulating auxin signaling and ZmWOX3A expression.
New Phytol
September 2024
State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, College of Life Sciences, South China Agricultural University, Guangzhou, 510642, China.
Maize silk is a specialized type of stigma, covered with numerous papillae for pollen grain capture. However, the developmental process of stigmatic papillae and the underlying regulatory mechanisms have remained largely unknown. Here, we combined the cytological, genetic and molecular studies to demonstrate that three homologous genes ZmSPL10, ZmSPL14 and ZmSPL26 play a central role in promoting stigmatic papilla formation in maize.
View Article and Find Full Text PDFHeat-stress-induced ROS in maize silks cause late pollen tube growth arrest and sterility.
iScience
July 2024
Cell Biology and Plant Biochemistry, University of Regensburg, 93040 Regensburg, Germany.
The reproductive phase of plants is highly sensitive to ambient temperature stresses. To investigate sensitivity of female reproductive organs in grass crops during the pollination phase, we exposed the elongated stigma (silk) of maize to ambient environment at the silking stage. Moderate heat stress causes cell death of silk hair cells but did not affect early pollen tube growth inside the silk.
View Article and Find Full Text PDFEfficacy of an Oral Solution Containing Five Herbal Extracts in the Treatment of Urolithiasis: A Randomized, Single-blind, Placebo-controlled Clinical Trial.
J Res Pharm Pract
April 2024
Pharmacy Students' Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran.
Objective: The high prevalence of urolithiasis and its recurrence entail the preparation of an efficient drug with the least side effects. , , , (corn silk), and are herbal remedies utilized in traditional medicine for urolithiasis. This study aimed to assess the efficiency of these plants' extracts in treating urolithiasis.
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