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High-yielding varieties (abbreviated as HYVs) of agricultural crops are varieties of crops that are usually characterized by a combination of the following traits in contrast to the conventional ones: Higher crop yield per unit area; Higher quality of crops; Improved response to fertilizers; Early maturation; Resistance to droughts and floods
The parent strains used are carefully chosen so as to achieve the uniformity that comes from the uniformity of the parents, and the superior performance that comes from heterosis. [ 3 ] Elite inbred strains are used that express well-documented and consistent phenotypes with yield that is relatively good for inbred plants. [ 2 ]
Cannabis plants vary widely, with different strains producing dynamic balances of cannabinoids (THC, CBD, etc.) and yielding markedly different effects. Popular strains are often hybrids of C. sativa and C. indica. The medicinal effects of cannabis are widely studied, and are active topics of research both at universities and private research ...
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The vegetable prefers full sun and can tolerate clay, normal, loamy, and sandy soil, as long as it's moist and well-draining. "Pick them at 7 inches for best flavor and to encourage another fruit ...
However a proper list of such strains is not yet available so most breeders treat all short-day plants as homozygous dominant. A true autoflower is homozygous recessive [21] for the day neutral genetics. Therefore, most crosses between classical photoperiod/short-day strains and autoflowers produce few or no autoflower progeny in the F1 generation.
The yield per mu was 1046.3 kg (about 15 tonnes per hectare). [ citation needed ] The third-generation hybrid rice technology is a genetically engineered sterile male line as a genetic tool, which allows all rice to theoretically find the "other half" that suits them and produce excellent offspring.
AK-47, also known simply as AK, is a cannabis strain with high THC content. It is a hybrid strain of cannabis that is sativa-dominant; it mixes Colombian, Mexican, Thai, and Afghan strains. A strong and popular strain, it has won multiple cannabis industry awards. The plant genetics of AK-47 have been studied scientifically. [1] [2]