Results 1 to 10 of about 236,407 (329)

تاثیر پرایمینگ زیستی بذر پنبه توسط Pseudomonas fluorescens بر جوانه‌زنی، رشد گیاهچه و تحریک مقاومت به بیماری مرگ گیاهچه ناشی از Rhizoctonia solani [PDF]

open access: yesPizhūhish/hā-yi tulīd-i giyāhī, 2021
سابقه و هدف: مجموعه بیماری‌ گیاهچه یکی از مهم‌ترین بیماری‌های پنبه ر اکثر مناطق کشت آن می‌باشد. قارچ خاک‌زی Rhizoctonia solani شاخص‌ترین و مهم‌ترین بیمارگر در ایجاد این بیماری است که بنیه گیاه را کاهش می‌دهد.
سید اسماعیل رضوی
doaj   +1 more source

Foreign Object Debris (FOD) Classification Through Material Recognition Using Deep Convolutional Neural Network With Focus on Metal

open access: yesIEEE Access, 2023
Foreign object debris (FOD) is any undesired and unintended object placed or found in the specific vicinity of an aircraft (runway/ taxiway) that can cause damage to aircraft or harm personnel on board such as twisted metal strips, screws, nuts, and ...
Syeda Mahrukh Zainab   +3 more
doaj   +1 more source

Spectroscopy of a mesospheric ghost reveals iron emissions

open access: yesNature Communications, 2023
Mesospheric Green emissions from excited Oxygen in Sprite Tops (ghosts) are infrequent and faint greenish transient luminous events that remain for hundreds of milliseconds on top of certain energetic sprites.
María Passas-Varo   +8 more
doaj   +1 more source

Isolation, Characterization, and Investigation on Potential Multi-trait Plant Growth Promoting Rhizobacteria from Wild Banana (Musa itinerans) Rhizospheric Soil

open access: yesJournal of Pure and Applied Microbiology, 2023
The undertaken study was conducted to isolate and characterize the plant growth promoting rhizobacteria from the rhizospheric soil of Musa itinerans collected from Zaphumi village, Nagaland, Northeast India.
Mum Tatung, Chitta Ranjan Deb
doaj   +1 more source

Molecular identification of lead-resistant plant growth promoting Bacillus species isolated from lead-contaminated soil [PDF]

open access: yesBiological Journal of Microorganism, 2019
Introduction: Soil contamination by heavy metals, including lead, is one of the most important environmental hazards and a major factor in the ecological collapse.
Mehrana Koohi Dehkordi   +3 more
doaj   +1 more source

Improving Agarwood (Aquilaria malaccensis Lamk.) Plantlet Formation Using Various Types and Concentrations of Auxins

open access: yesCaraka Tani: Journal of Sustainable Agriculture, 2022
Aquilaria malaccensis Lamk. is one of the most widespread agarwood-producing plants that face extinction due to overexploitation. Agarwood propagation using in vitro culture techniques is capable of producing large quantities of plants in a shorter time ...
Maulana Tamyiz   +4 more
doaj   +1 more source

The effect of botanical composition of vegetation cover and peat-forming species on the concentration of indole-3-acetic acid and chemical compounds in peat [PDF]

open access: yesMires and Peat, 2020
Indole-3-acetic acid (IAA) is one of the most important auxin/phytohormones for plant growth. The effect of peat botanical composition of various vegetation cover and peat-forming species at 13 sampling points located in fens, bogs and drained peatlands ...
L.W. Szajdak   +2 more
doaj   +1 more source

Effect of seed pre-treatment with auxin and gibberellin on germination and yield of cowpea (Vigna unguiculata L.) [PDF]

open access: yesپژوهش‌های حبوبات ایران, 2020
Introduction Cowpea (Leguminosae: Papilionoidae) represents the main food legume and a versatile crop in tropical region. It is drought tolerant and could perform better growth in warm climates.
Fahimeh Darkatanian, Saeed Saeedipour
doaj   +1 more source

The Contribution of Sprite Streamers to the Chemical Composition of the Mesosphere‐Lower Thermosphere

open access: yesGeophysical Research Letters, 2020
Sprites are mesospheric filamentary discharges that liberate and accelerate large quantities of electrons. They produce local enhancements of some chemical species and fast (millisecond) optical emissions.
F. J. Pérez‐Invernón   +3 more
doaj   +1 more source

Effects of Girdling and Chemical Treatments on the Response of Longan Fruit and Layer

open access: yesGuangdong nongye kexue, 2023
【Objective】The production mode of Hainan longan can be divided into natural flowering on-season longan and off-season longan induced by potassium chlorate. Reasonable fruit loading is extremely important to maintain tree vigor and avoid alternate bearing
Songgang LI   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy