effect of harvest date on seed viability of different

Effects of Planting Date Harvest Date and Environmental

This research focused on the germination dynamics of forage kochia accessions as it relates to harvest date planting date age of seed and environmental conditions The effect of planting date age of seed and environmental conditions on forage kochia germination was elucidated by planting recently harvested (2010) and year-old cold-stored

INSECT DAMAGE

edible seeds provide the basic source of carbohydrates and protein for people in many parts of the African continent The area planted to cassava in sub-Saharan Africa is estimated to be 8 9 million hectare producing 72 million tons annually (Sengooba 1994) Insect pests in

Effect of date of harvest on seed quality and viability of

Field experiments were made in both 1974 rainy seasons in Ibadan Nigeria to evaluate the effect of harvest time on seed quality and viability of soya beans (Glycine max (L ) Merr ) The first harvest was made when about 85% of the pods had ripened and subsequent harvests were made at 7-day intervals

Effect of Different Commercial Fertilizers Harvest Date

Effect of different harvest date and refrigerated storage on the firmness of two blackberry cultivars: "Obsidian" and "Triple Crown" at 2012 and 2013 harvest Comparing harvest years in both cultivars the fruits from the 2012 harvest were firmer than those harvested in 2013 and the effect of storage showed variation among the two

Effects of Climatic and Agronomic Factors on Yield and

Rukavin H Kolak I Sarcevic H Satovic Z (2002) Seed size yield and harvest characterstics of three Croatin spring malting barleys Bodenkultur 53: 9-12 Khan ML (2003) Effects of seed mass on seedling success in Artocarpus heterophyllus L a tropical tree species of north- east India Indian Journal of Agricultural Science 25: 103-110

Various Influences of Harvest Date and Fruit Sugar Content

Over the recent past a reduction of the time required for grapes to achieve sugar ripeness possibly a result of climate change has been observed in many countries raising the issue of a potential disconnect between flavor ripeness and sugar accumulation An experiment using Vitis vinifera L cv Riesling was conducted to test the relationship between sugar content of fruit and harvest date

Optimum harvest maturity for Leymus chinensis seed

Timely harvest is critical to achieve maximum seed viability and vigour in agricultural production However little information exists concerning how to reap the best quality seeds of Leymus chinensis which is the dominant and most promising grass species in the Songnen Grassland of Northern China The objective of this study was to investigate and evaluate possible quality

The effect of harvest date on the yield and composition of

Semi‐commercial plots of dill (Anethum graveolens L ) were established in the Derwent Valley area of Tasmania during 1981 and 1982 The 1981 crop was irrigated and yielded 43 to 104 kg ha −1 of dill herb oil (less than 35% carvone) or 57 to 73 kg of dill seed oil ha −1 depending on harvest date The non‐irrigated crop established in 1982 yielded 41 to 77 kg of dill herb oil

Optimum harvest maturity for Leymus chinensis seed

May 03 2016production The optimum harvest time on seed germination is also very important For the Leymus chinensis seed the effect of harvest time has yet to be determined To reap good quality seed timely harvest is important to seed viability and vigour Early harvesting may result in low yield and poor seed quality whereas late harvesting may also

Pre

Hubner Junior and Toledo (2016) evaluating the viability of cowpea seeds harvested at different seasons after physiological maturity in non-desiccated areas and with pre-harvest desiccation through the application of the herbicide paraquat observed that harvest delay reduces the viability and germination of cowpea seeds regardless of pre

Does Weather Affect Plant Growth: Effect Of Temperature On

Mar 18 2020Some plant seeds including cool season vegetables like lettuce and broccoli germinate best in temperatures between 55 and 70 F (13 to 21 C ) while warm season plants such as squash and marigolds germinate best when temperatures are between 70 and 85 F (21 to 13 C ) So whether it's extreme heat or cold temperature does affect plants and their growth

Effect of variety seed rate and row spacing on the growth

Sep 01 2013Further seed weight per spike also varied significantly between the two varieties Seeds from NERICA-1 were significantly heavier than those from Ex-China Table 3 shows that the two varieties varied considerably on 1000- grain weight Under the different row spacings a significant difference was also observed on 1000 grain weight

Effect of Plant Growth Regulator and Irrigation on

The objectives of this study were to: 1) determine how irrigation and trinexapac-ethyl (TE a PGR) affect PM HM seed viability and seed vigor of red clover at different stages of maturity 2) evaluate the effect of irrigation TE and their interaction on seed yield its components and the quality of red clover seeds at harvest 3

Using The Moon to Grow Marijuana

Nov 14 2019TIP: Buy seeds at my marijuana seed shop In the end it's all about timing Luckily the phases of the moon are completely predictable and therefore an entire schedule can be mapped out accordingly Of course using the phases of the moon as your guide will never replace good gardening techniques You still need to be careful about your

Influence of harvest time on yield and seed quality of desi

later harvest Rainfall during the 1998/99 harvest had a detrimental effect on seed viability with germination energy of late harvested seed collected from Tamworth reduced to 63 8% Mycology In the 1998/99 season both cropping sites were heavily contaminated with the fungus A rabiei and to a lesser degree B cinerea Alternaria and

Influence of harvest timing and storage interval on

Aug 18 2014ABSTRACT: Rubber rabbitbrush ( Ericameria nauseosa (Pall ex Pursh) G L Nesom Baird (Asteraceae)) has potential for use in water-conserving landscapes but poor seedling emergence can be a problem for nursery production We evaluated the effects of 1) harvest timing (stage of inflorescence maturity) and 2) duration of storage interval on seed viability

Factors affecting grain crop seed germination

There are many aspects to consider when seeding grain crops at the break of the season One of these is the viability of the seed that you are sowing It could be very disappointing to go through a long and expensive seeding process only to discover that you need to do it all again with another more viable batch of seed This page discusses the conditions at harvest grain

Effect of Harvest Frequency and Weed Management on

two 5-ft2 areas and taken from the harvest portion of each plot to increase the precision the measurement Effect of Harvest Frequency and Weed Management on Established Roundup -Ready (RR) Alfalfa Yield Quality and Stand Longevity Timothy Dietz Doo-Hong Min Andrew Chomas Wesley Everman James Kells and

Effects of Time of Harvest at Different Moisture Contents

Effects of Time of Harvest at Different Moisture Contents on Seed Fresh Weight Dry Weight Quality (Viability and Vigour) and Food Reserves of Peas (Pisum sativum L ) Author: A B Siddique and D Wright Subject: Asian Journal of Plant Sciences Keywords: Peas vigour seed maturity moisture content viability Created Date: 2/11/2006 11:41:45 AM

MAJOR RESERCH PROJECT PHYSIOLOGICAL AND

Seed membrane damage in terms of electrical conductivity of seeds increased significantly in seeds that had been accelerated aged for 9 days as compared to unaged seeds This indicates a reduction in seed vigour and viability Table 1: Effect of different storage conditions and accelerated ageing on germination percentage (G %) mean

Optimum harvest maturity for Leymus chinensis seed

Timely harvest is critical to achieve maximum seed viability and vigour in agricultural production However little information exists concerning how to reap the best quality seeds of Leymus chinensis which is the dominant and most promising grass species in the Songnen Grassland of Northern China The objective of this study was to investigate and evaluate possible quality

PRINCIPLES AND PRACTICES OF SEED STORAGE

From harvest to sowing 4 Decline and death of seeds 5 Effect of extreme desiccation on viability and vigor 50 Interrelationship of temperature seed moisture content and storage life __ 52 III Page Response of different crop seeds to moistureproof storage 148

EFFECT OF SOWING METHODS AND SEED RATE ON YIELD

study result depicted that sowing method and seed rate had brought significant effect on the yield of bread wheat The maximum grain yield of 3 9 t ha-1 and the minimum 2 7 t ha-1 were obtained from seed rate of 125 kg ha-1 and 200 kg ha-1 respectively And the maximum grain

Effect of Harvest Maturity and Drying Method on Okra Seed

cates of 100 seeds from each harvest Changes in seed coat color was deter mined by examination of 100 seeds from each drying method and harvest The following quality tests were conducted on seeds of each harvest A 1-mm piece of seed coat was removed with a nail cutter before conducting the tests to eliminate the effect of hardseededness

Effect of harvest time and drying on supersweet sweet corn

Apr 01 2005To slow down seed deterioration during storage it is recommended that sweet corn seed should be harvested at a higher moisture range (40-50%) and dried at 40C and 4 30 m/s air velocity The drying temperature can be raised to 50C for seed harvested at a low moisture range (20-30%) provided the air velocity is kept low (1 25 m/s)

Effects of Delayed Harvest on Soybean Seed Quality

(harvest maturity) from 1 October to 14 November 1996 and from 10 October to 20 November 1997 A total of 4 collections over 6 wk were done each year On each date a plot combine harvester initially was used to randomly harvest an area 3 1 x 30 5 m to obtain bulk seed representing a normal harvest Following combining

EFFECTS OF COLLETOTRICHUM TRUNCATUM AND

observed on germination when soybean seeds were harvested at harvest maturity but negative effects on germination were observed after a 30-day delay in harvest The objectives of this study were to: 1) determine the influence of C truncatum on evaluating the viability of soybean seeds by the standard